正确答案:
The text has 7 paragraphs (A - G).
Which paragraph contains each of the following pieces of information?
1 Traffic accidents are sometimes caused by lack of sleep.
2 The number of children included in the study
3 How two schools are trying to deal with the problem
4 How the effect of having less sleep was measured
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Complete the following sentences using NO MORE THAN TWO WORDS from the text for each gap.
Fallone is now studying the sleep patterns of children with 5
The researchers used 6 that show movement to check that children went to bed at the right time.
Students with less sleep had problems with memory, remembering new material, and 7
Fallone admitted that it was 8 for children to get enough sleep.
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Do the following statements agree with the information given in Reading Passage 1?
In boxes 9 - 13 on your answer sheet, write
TRUE | if the statement agrees with the information |
FALSE | if the statement contradicts the information |
NOT GIVEN | If there is no information on this |
9 The results of the study were first distributed to principals of American schools,
10 Some of the children in the study had previously shown signs of sleeping problems.
11 The study could influence how doctors deal with children’s health problems.
12 Fallone does not let his daughter play soccer.
13 Staying up later is acceptable if the child is doing homework.
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Most people find the Listening test more stressful than the Reading test. That’s because when you are reading, you have the texts in front...
详细试卷答案解析:
The text has 7 paragraphs (A - G).
Which paragraph contains each of the following pieces of information?
1 Traffic accidents are sometimes caused by lack of sleep.
2 The number of children included in the study
3 How two schools are trying to deal with the problem
4 How the effect of having less sleep was measured
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Complete the following sentences using NO MORE THAN TWO WORDS from the text for each gap.
Fallone is now studying the sleep patterns of children with 5
The researchers used 6 that show movement to check that children went to bed at the right time.
Students with less sleep had problems with memory, remembering new material, and 7
Fallone admitted that it was 8 for children to get enough sleep.
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Do the following statements agree with the information given in Reading Passage 1?
In boxes 9 - 13 on your answer sheet, write
TRUE | if the statement agrees with the information |
FALSE | if the statement contradicts the information |
NOT GIVEN | If there is no information on this |
9 The results of the study were first distributed to principals of American schools,
10 Some of the children in the study had previously shown signs of sleeping problems.
11 The study could influence how doctors deal with children’s health problems.
12 Fallone does not let his daughter play soccer.
13 Staying up later is acceptable if the child is doing homework.
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The text has 7 paragraphs (A - F).
Which paragraph does each of the following headings best fit?
14 Education for the masses
15 Future possibilities
16 Globalisation and competition
17 Funding problem
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According to the text, FIVE of the following statements are true.
Write the corresponding letters in answer boxes 18 to 22 in any order.
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Choose the correct letter, A, B, or C
Universities are responding to changes by
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The knowledge economy is
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Choose TWO letters, A-E.
Current problems at universities, especially in Europe, include
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For each question, only ONE of the choices is correct.
Write the corresponding letter in the appropriate box on your answer sheet.
According to the diaries, in 1961, women rarely had free time on Sunday
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People want to do more on Sundays because
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Shopping habits have changed since 1961 in that
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Compared with 1961,
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Complete the following sentences using NO MORE THAN THREE WORDS from the text for each gap.
Professor Gershuny discovered thousands of 31 at the BBC.
In 1961, people ate 32 at 5 or 6 o’clock.
In 2001, people spent 33 50 minutes on shopping on Sundays.
Shopping is something that is not as 34 as it was in 1961.
In 1961, men would often go for a drink or be 35 before lunch.
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Do the following statements agree with the information given in Reading Passage 3?
In boxes 36 - 40 on your answer sheet, write
TRUE | if the statement agrees with the information |
FALSE | if the statement contradicts the information |
NOT GIVEN | If there is no information on this |
36 Mr. Atchison usually eats out.
37 Mrs. Hallows’ husband does no household chores on Sundays.
38 Mrs. Hallows thinks the shops are too busy on Sundays.
39 Mr. Jones is a widower.
40 Mr. Jones does household chores on Sundays.
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You should spend about 20 minutes on Questions 1 -13, which are based on Reading Passage 1 below.
A. Staying up an hour or two past bedtime makes it far harder for kids to learn, say scientists who deprived youngsters of sleep and tested whether their teachers could tell the difference. They could. If parents want their children to thrive academically, “Getting them to sleep on time is as important as getting them to school on time," said psychologist Gahan Fallone, who conducted the research at Brown Medical School.
B. The study, unveiled Thursday at an American Medical Association (AMA) science writers meeting, was conducted on healthy children who had no evidence of sleep- or learning-related disorders. Difficulty paying attention was among the problems the sleepy youngsters faced - raising the question of whether sleep deprivation could prove even worse for people with attention deficit hyperactivity disorder, or ADHD. Fallone now is studying that question, and suspects that sleep problems “could hit children with ADHD as a double whammy”.
C. Sleep experts have long warned that Americans of all ages do not get enough shuteye. Sleep is important for health, bringing a range of benefits that, as Shakespeare put it, “knits up the ravelled sleave of care”. Not getting enough is linked to a host of problems, from car crashes as drivers doze off to crippled memory and inhibited creativity. Exactly how much sleep correlates with school performance is hard to prove. So, Brown researchers set out to test whether teachers could detect problems with attention and learning when children stayed up late - even if the teachers had no idea how much sleep their students actually got.
D. They recruited seventy-four 6- to 12-year-olds from Rhode Island and southern Massachusetts for the three-week study. For one week, the youngsters went to bed and woke up at their usual times. They already were fairly good sleepers, getting nine to 9.5 hours of sleep a night. Another week, they were assigned to spend no fewer than ten hours in bed a night. The other week, they were kept up later than usual: First -and second-graders were in bed no more than eight hours and the older children no more than 6.5 hours. In addition to parents’ reports, the youngsters wore motiondetecting wrist monitors to ensure compliance.
E. Teachers were not told how much the children slept or which week they stayed up late, but rated the students on a variety of performance measures each week. The teachers reported significantly more academic problems during the week of sleep deprivation, the study, which will be published in the journal Sleep in December, concluded. Students who got eight hours of sleep or less a night were more forgetful, had the most trouble learning new lessons, and had the most problems paying attention, reported Fallone, now at the Forest Institute of Professional Psychology.
F. Sleep has long been a concern of educators. Potter-Burns Elementary School sends notes to parents reminding them to make sure students get enough sleep prior to the school’s yearly achievement testing. Another school considers it important enough to include in the school’s monthly newsletters. Definitely, there is an impact on students’ performance if they come to school tired. However, the findings may change physician practice, said Dr. Regina Benjamin, a family physician in Bayou La Batre, who reviewed the data at the Thursday’s AMA meeting. “I don't ask about sleep” when evaluating academically struggling students, she noted. “I’m going to start.”
G. So how much sleep do kids need? Recommended amounts range from about ten to eleven hours a night for young elementary students to 8.5 hours for teens. Fallone insists that his own second-grader get ten hours a night, even when it meant dropping soccer - season that practice did not start until 7:30 — too late for her to fit in dinner and time to wind down before she needed to be snoozing. “It’s tough,” he acknowledged, but “parents must believe in the importance of sleep."
You should spend about 20 minutes on Questions 14 - 26, which are based on Reading Passage 2 below.
A. For those of a certain age and educational background, it is hard to think of higher education without thinking of ancient institutions. Some universities are of a venerable age - the University of bologna was founded in 1088, the University of Oxford in 1096 - and many of them have a strong sense of tradition. The truly old ones make the most of their pedigrees, and those of a more recent vintage work hard to create an aura of antiquity. Yet these tradition-loving (or -creating) institutions are currently enduring a thunderstorm of changes so fundamental that some say the very idea of the university is being challenged. Universities are experimenting with new ways of funding (most notably through student fees), forging partnerships with private companies and engaging in mergers and acquisitions. Such changes ate tugging at the ivy's toots.
B. This is happening for four reasons. The first is the democratisation of higher educa-tion - “massification". in the language of the educational profession. In the rich world, massification has been going on for some time. The proportion of adults with higher educational qualifications in developed countries almost doubled between l975 and 2000. From 22% to 41%. Most of the rich countries are still struggling to digest this huge growth in numbers. Now massification is spreading to the developing world. China doubled its student population in the late 1990s, and India is trying to follow suit.
C. The second reason is the rise of the knowledge economy. The world is in the grips of a “soft revolution” in which knowledge is replacing physical resources as the main driver of economic growth. Between 1985 and 1997, the contribution of knowledge-based industries to total value added increased from 51% to 59% in Germany and from 45% to 51% in Britain. The best companies are now devoting at least a third of their investment to knowledge-intensive intangibles such as R&D, licensing, and marketing. Universities are among the most important engines of the knowledge economy. Not only do they produce the brain workers who man it, they also provide much of its backbone, from laboratories to libraries to computer networks.
D. The third factor is globalisation.. The death of distance is transforming academia just as radically as it is transforming business. The number of people from developed countries studying abroad has doubled over the past twenty years, to 1.9 million; universities are opening campuses all around the world; and a growing number of countries are trying to turn higher education into an export industry. The fourth is competition. Traditional universities are being forced to compete for students and research grants, and private companies are trying to break into a sector which they regard as “the new health care”. The World Bank calculates that global spending on higher education amounts to $300 billion a year, or 1 % of global economic output. There are more than 80 million students worldwide, and 3.5 million people are employed to teach them or look after them.
E. All this sounds as though a golden age for universities has arrived. However, inside academia, particularly in Europe, it. does not feel like it. Academics complain and administrators are locked in bad-tempered exchanges with the politicians who fund them. What has gone wrong? The biggest problem is the role of the state. If more and more governments are embracing massification, few of them are willing to draw the appropriate conclusion from their enthusiasm: that they should either provide the requisite funds(as the Scandinavian countries do) or allow universities to charge realistic fees. Many governments have tried to square the circle through lighter management, but management cannot make up for lack of resources.
F. What, if anything can be done? Techno-utopians believe that higher education is ripe for revolution. The university, they say, is a hopelessly antiquated institution, wedded in outdated practices such as tenure and lectures, and incapable of serving a new world of mass audiences and just-in-time information. “Thirty wars from now the big university campuses will be relics," says Peter Drucker, a veteran management guru. "I consider the American research university of the past 40 years to be a failure." Fortunately, in his view, help is on the way in the form of Internet tuition and for-profit universities. Cultural conservatives, on the other hand, believe that the best way forward is backward. They think it is foolish to waste higher education on people who would rather study "Seinfeld" than Socrates, and disingenuous to contuse the pursuit of truth with the pursuit of profit.
You should spend about 20 minutes on Questions 27 - 40, which are based on Reading Passage 3 below.
In a new study, Essex University sociologists have dissected the typical British Sunday, and found we get up later and do fewer chores than we did 40 years ago - and we are far more likely to be out shopping or enjoying ourselves than cooking Sunday lunch. Academics at the university’s Institute of Social and Economic Research asked 10,000 people to keep a detailed diary of how they spent Sundays in 2001. Then they compared the results with 3,500 diaries written in 1961, a treasure trove of information that had been uncovered ‘in two egg boxes and a tea chest’ in the basement of the BBC by ISER’s director, Professor Jonathan Gershuny.
The contrast between the two periods could not be more striking. Forty years ago, Sunday mornings were a flurry of activity as men and women - especially women - caught up on their weekly chores and cooked up a storm in the kitchen. Women rarely allowed themselves any ‘leisure’ until the afternoon, after the dishes were cleaned. In 1961, more than a fifth of all men and women in Britain were sitting at a table by 2 p.m., most likely tucking into a roast with all the trimmings. Then there would be another rush to the table between 5 p.m. and 6 p.m. for high tea.
Since the arrival of brunch, the gastropub and the all-you-can-eat Sunday buffet at the local curry house, such institutions have become extinct. Today, we graze the entire day. You only have two free days a week. You don’t want to have to waste one because there is nothing to do but watch TV. Sunday has leapfrogged Saturday in the fun stakes. On Saturdays, you are recovering from the week. Sundays are the last bastion of the weekend - you want to get as much as you can out of the day before you have to go back to work.
According to researchers, the ability to trail around B&Q has made the most dramatic difference to our Sundays. In 1961, adults spent an average of 20 minutes a day shopping; by 2001, it was 50 minutes. ‘Shopping used to be a gender segregated activity that would take place during the week, while the husband was at work. Now it’s as much men as women,’ said Gershuny. We’re all more likely to be relaxing or shopping on a Sunday morning these days than scrubbing the floor or putting up shelves. ‘Men now stay in bed longer, and get up not, as previously, to work around the house, but rather to shop or to pursue other outside leisure activities.’
Men do about the same amount of unpaid work around the house as they used to on a Sunday, but it’s spread throughout the whole day, instead of crammed into the morning. Women do considerably less than 40 years ago. Indeed, men and women were ‘pretty much different species’ in 1961, as far as the way they spent Sundays was concerned, with men far more likely to be out of the house - at the pub or playing football - before lunch. ‘For women, leisure happened only in the afternoon. But by 2001, the shapes of men’s and women’s Sundays were much more similar,’ says the report.
‘Sunday for me is all about holding on to the weekend and trying to stave off Monday. An ideal Sunday would involve getting up and having a nice lunch. Sometimes we cook, but more often I go out to get a roast or bangers and mash at a gastropub. If it is a nice day, there is nothing better than sitting outside in the beer garden, reading the Sunday papers - one tabloid and one broadsheet - with a Guinness, extra cold. Sunday is often a chance to visit other parts of London, as long as it is not too far. I use Sundays to go clothes shopping, or to the cinema. I often go to Camden market, as I love the international foods on offer and hunting for bargains and vintage clothes.’
Jonathan Bentley Atchison (25, Clapham, London, works in communications)
‘I am usually at home making the Sunday lunch. Some friends go out to eat, but my husband Mark loves a roast, so we don’t. After that, I do the washing, like every day, and then I take my daughter Grace to netball and watch her play. Mark potters around - last Sunday, he tidied the garage. He works six days a week, so on Sunday he stays at home. I don’t like shopping on a Sunday because every man and his dog is out. I don’t work, so I can do it in the week. I tend to watch television and chill out. When summer comes, we go to barbecues at family or friends’ houses. When I was growing up, my dad would do the gardening and paint the fences while my mum would do housework.’
Hazel Hallows (42, Manchester, housewife, married with three children)
‘When we were at home, I would get out in the garden, and my late wife Rose would cook the Sunday lunch and do the housework. I was an engineer, and Rose worked full-time as a supermarket manageress. In 1961, we had just moved to Bristol, and I spent Sunday maintaining the new house. The washing and ironing had to be done - it was a working-together atmosphere. We would sometimes go and spend the day with Rose’s sister or other relatives. In 1961, it was the first time I had a new car, so we spent time in the countryside or garden centres. Now, I get up on Sundays and spend a couple of hours reading the newspapers.’
Bryan Jones (79, pensioner, Frampton Cotterell, near Bristol)
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The pictures shows "A wave energy machine" and two options to install
it whether in large wave or in small waves. However, the machine work
similarly but the cost and output differ i.e larger the cost higher the
output visa vera.
At first the wave engergy machine start work when a hit into the chamber
from the bottom and air from the top after that when wave hit upward from
the bottom pressure goes up which lead to flow of air in the clock wise
direction and goes out from the above exit similarly, beacuse of flow
of air from upward and top plates of turbine move and air compress the
water down from the bottom exit therefore, consiquently turbine work with
pressure generated by water and air of both chambers and produced electricity
Although, the electricity produced is depends upon the location where the
Machine is installed when it is diged down deep into the water in exposer
of larges wave it generated high electricity in term of output and if it
is located near the ground it's obvious small wave are only input to the
machine which lead to produces low amount of power. Nevertheless it also
cost high when it's digged at a distance from ground and less when its
nearer the coast.
In conclusion, turbine works on the pressure generated from both chambers
air, water flow and gernate electricity the higher the flow larger the output
and cost, lower the flow lesser the output and expense.
With the developing technology in today's world, online shopping has become very popular.
While the rapidly growing and developed online shopping sites offer a wide range of opportunities, they also bring people face to face with security problems.
When the positive and negative aspects of online shopping are compared, according to me, the positive aspects outweigh.
The fact that online sites are easily accessible to a wide internet user (especially with the social media), the products that need it even to underdeveloped countries with production problems can be delivered with one click, because there are no high taxes and rental costs, people do not have to buy online because the prices are more affordable, also makes it attractive.
For example, a person living in Africa can buy any product from any country, thanks to big companies such as Amazon and Alibaba.
On the other hand, the fact that scammers and information thieves (hackers) can easily access these sites causes an increase in cybercrimes, and the sale of non-real and poor-quality products on some sites causes people not to prefer online shopping.
According to my experience, a shoe I ordered online did not fit my foot structure, so I tried to return it a few times and try to exchange with a new one. In this process, even though the communication problems I had with the seller and shipping companies had a negative effect on my attitude towards online shopping, the variety of products and reasonable prices made me not give up on online shopping.
As a result, in the age of technology, human beings, who no longer even touch money, will improve themselves in this field and increase the usability and attractiveness of online shopping.
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The diagrams depict the design and location of a wave-energy machine. The design consists of several key components: a buoyant platform tethered to the seabed, an arm connected to the platform's pivot, and an oscillating water column inside the platform. The platform moves with the waves, causing the arm to pivot. This motion drives the oscillating water column, creating an airflow that spins a turbine and generates electricity. This design harnesses wave energy effectively.
The machine is situated offshore, positioned on the seabed near the coastline. It benefits from the proximity to the shoreline where wave activity is high. Placing the machine in this location optimizes its ability to capture the kinetic energy from the waves, converting it into a renewable energy source.
In comparison to other renewable energy methods, this wave-energy machine takes advantage of the constant and predictable nature of ocean waves. Unlike solar or wind energy, which are dependent on weather conditions, waves are more consistent. Additionally, its offshore location minimizes visual impact on the coastline while utilizing the natural power of the ocean.
In conclusion, the wave-energy machine's innovative design and strategic offshore location make it a promising solution for generating renewable energy from ocean waves, contributing to sustainable power generation.
Online shopping has become the favorite way nowadays for people to buy their goods. In the past we would not think of buying clothes, groceries or plane tickets online was a remote idea. With the development of technology this idea came to live.
Buying online saves time, energy and even money, before an owner of an establishment needed to have a place to sell their articles, pay utility bills, taxes for the building and so on, now the same person can run its business from the comfort of their house, give as a consequence a reduction of prices. It saves times, because your purchases are as far as a click, there is no longer lines in the store or asking a sells person to look for your size in the back. All of these helps us to use are energy in more productive activities. It also, in the case of a pandemic, when going outside was not a choice, the online shopping played a very important part in keeping some business open. As well as permiting people to keep their jobs and for others to reduce the chances of being infected at not being exposed to the environment.
As a disadvantage, it reduces social interactions, therefor increases the chances of mental health diseases like depression and anxiety. It has as a disadvantage that you might get scammed or your banking information being stolen. Could be too that there was a mistake in your order or sizing and the shipping is so expensive that you decide to keep the item even if is not of use for you; this is what had happened to me.
Is true that there are some disadvantages to shopping online but i think the advantages outweigh the disadvantages as well if all the measurements for online shopping are taken in place.
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The implementation of renewable sources of energy its been one of the main ways to decrease the use of fuel and help to stop the problems that cause global warming. Several ideas are used to help this matter and one of them is the wave-energy machine. In the two pictures provided we can see the two ways a wave-energy machine works. In first picture, it shown how a wave-energy machine works. First, the wave reaches the chambers and the air that flows allows a turbine to spin. In consequence the movement of the turbine is the one that generates electricity. Wave-energy machines can be placed in different locations to receive small waves and large waves, being the last one the one that generates high output, having as a disadvantage the high installation costs. Either way, implementing the machine in any of the two locations will help to increase our use of renewable.
https://ieltsonlinetests.com/wot/result/writing-practice-test-1-1143424
please comment my speech.
two above pictures describe how a wave energy machine could work and also the costs and results difference in two different type of wave energy machine.
Renewable energy, which is also called reversible energy, is a type of energy whose production source, unlike non-renewable (fossil) energy, has the ability to be regenerated by nature in a short period of time. In other words, they are resources that can be easily replaced after consumption.
Wave power is produced by the up-and-down motion of floating devices placed on the surface of the ocean. In other words, wind produces waves, and then waves produce energy. As the waves travel across the ocean, high-tech devices capture the natural movements of ocean currents and the flow of swells to generate power.
NOWADAYS, PEOPLE ARE ABLE TO PURCHASE EVERYTHING THROUGH INTERNET. BOOKS, PLANE TICKETS AND GROCERIES ARE ONE CLICK AWAY. THIS BECAME POPULAR ESPECIALLY FOR THOSE PEOPLE LIVING FAR AWAY IN THE CITIES OR DOES NOT HAVE TIME TO PURCHASE SUCH THINGS. WHILE, THIS IS REALLY CONVENIENT, OTHERS THINK THAT THIS HAS CAUSED NEGATIVELY TO PEOPLE. IN THIS ESSAY, WE WILL DISCUSS WHY THERE ARE MANY ADVANTAGES SHOPPING ONLINE THAN ITS DRAWBACKS.
FIRSTLY, INTERNET HAS BEEN ADVANCING RAPIDLY. IN THIS PRESENT TIME, PEOPLE CAN PURCHASE EVERYTHING ONLINE WITH THE HELP OF INTERNET. THIS ALLOWS PEOPLE TO SHOP WITH CONVENIENCE BECAUSE THEY DO NOT NEED TO GO OUT AND BUY THINGS THEY NEEDED PERSONALLY. ALSO, NOT EVERYONE HAS THE ACCESS TO BUY SOMETHING THEY ALL NEEDED DUE TO THEIR LOCATION AND TIME, SO, THEY ORDER EVERYTHING ONLINE NOW. FOR EXAMPLE, THERE ARE PEOPLE WORKING IN GRAVEYARD SHIFT WHICH MEANS MOST OF THE ESTABLISHMENTS ARE NOW CLOSED AND WITH THE HELP OF THE INTERNET, THEY ARE NOW ABLE TO DO GROCERIES ONLINE AND HAVE IT DELIVER BY THE TIME THEY ARE AVAILABLE AT THEIR HOMES. IN ADDITION, DURING PANDEMIC, ONLINE SHOPPING HAS BEEN SO USEFUL TO EVERYONE AROUND THE WORLD SINCE WE DO NOT NEED TO GO OUT AND HAVING THE CHANCE TO GET INFECFTED WITH VIRUS.
ON THE OTHER HAND, PEOPLE BELIEVED THAT THIS DEVELOPMENT IS NOT GOOD BECAUSE THIS IS QUITE ADDICTING TO SOME. THIS CONVENIENCE HAS ITS DISADVANTAGES. FOR INSTANCE, YOUNG PEOPLE HAS NOW ACCESS TO BUY ANYTHING ONLINE AND THIS CAN BE OUT OF CONTROL. BUYING SOMETHING YOU WANT AND YOU OBTAINED IT SO EASILY WITHOUT ANY HASSLE CAN BE SO ADDICTING. THEY WOULD NOT BE ABLE TO STOP BUYING ONLINE AND THIS WOULD CAUSE PROBLEMS FINANCIALLY.
HOWEVER, I THINK PEOPLE ARE CAPABLE OF DISCIPLINE. IF PEOPLE ARE SPENDING THEIR MONEY WISELY, THEN ONLINE SHOPPING IS NOT A BAD THING. I BELIEVE THAT THIS IS NOT THE ONLY REASON WHY YOUNG PEOPLE ARE SPENDING THEIR MONEY ONLINE WITHOUT ANY CONTROL. THERE ARE FACTORS AS WELL, FOR EXAMPLE, A PERSON IS FEELING DOWN BECAUSE OF SOME CIRCUMSTANCES AND TRAINED THEMSELVES SINCE THE BEGINNING THAT THROUGH SHOPPING IS THE ONLY WAY TO DISTRACT THEM, WHICH IS OBVIOUSLY AN UNHEALTHY WAY TO LIFT OUR SPIRITS.
IN CONCLUSION, PROGRESS COMES WITH A PRICE, HOWEVER, PEOPLE ARE CAPABLE TO SPEND THEIR MONEY WISELY THEN BUYING THINGS ON THE INTERNET IS A GOOD OPTION FOR ALL OF US. CITIZENS WHO ARE NOT CAPABLE OF GOING OUTSIDE TO ATTEND SOME ERRANDS BECAUSE OF THEIR DISABILITIES, THEREFORE, SHOPPING ONLINE IS A BIG HELP TO THEM.
https://ieltsonlinetests.com/wot/result/writing-practice-test-1-1114140
In today's world, with the advancement of technology, online shopping is becoming more popular. The vast majority of pupils believe that it opened a new way of getting orders by sitting at home, with one click in a short period of time. I strongly agree with this idea and will explain my opinion through examples.
First and foremost, Shopping through the Internet is easily accessible and we can save a lot of time. For instance, these days, people don’t have free time for purchasing items by visiting the mart, markets, and shopping malls and spent 3 to 4 hours of their day. Pupil just took their mobile phones and open the e-commerce website such as Amazon, Walmart, Daraz, etc. and get their desired products from all over the world within 3 to 4 business days. If we avoid cybercrime in online shopping, then we enhance our sales dramatically and develop customer interest as well
Another reason I agree with the statement is that in corona pandemic, people also get a lot of benefits through web buying. For example, in 2019 majority population of the world was affected by viruses, physical stores were completely shut down and everyone remained inside their houses. Moreover, people also get their food, living items, and groceries through online platforms.
On the contrary, few people think that online purchasing has involved more scammers and provides wrong information to the customer. Such as, I bought a pair of shoes for myself through an e-commerce website, at the site, the picture was well-edited and attracted me to the checkout procedure. Firstly, my package was delayed for two days, when I received the product then it was totally changed in size, I ordered 7 numbers and get 9 numbers which were useless for me. I contacted the manager and request to refund of my money but that was a long procedure. As a result, some people discourage the buying through Internet.
In conclusion, although it is a common perception that people avoid buying items through the Internet, I believe it doesn’t need spare time and also was very effective during pandemics. Personally, I think, we should enjoy the facility of online buying.
This diagram depicts the process of how a wave energy machine works and the installation of the machine at different locations based on its desired output.
As far as the first image is concerned, this is a process of producing electricity through a wave energy machine. It consists of two chambers upper chamber including the turbine and the lower chamber comprises a partition for the water entrance. When the water wave enters through the bottom chamber of the machine then it increases the pressure which moves upward direction through the partition available between the two chambers. This water flow in the upper chamber creates to start the turbine in a clockwise direction. There is also one strainer partition present at the upper chamber which allows the airflow to make pressure in a downward direction which further helps the turbine to move in same direction. Extra pressure is removed through large opening at upper chamber. Electricity generator is attached at left of the upper chamber of the machine to transfer the electricity to grid.
The second image shows how we can get maximum output by installing it at different locations. There are two machines were installed according to the water wave height. The machine on the left side of the picture is encountered with a maximum height of the water and also releases a large amount of water which makes strong hydraulic jumps and produces maximum output. Although it's not economical for small villages or low population. On the other hand, a second machine on the right side of the image is striking with low water wave which producing low output and seems like that it is more economical for small city.
In conclusion, both images are the energy-producing machines to be installed at rivers or canals.