Writing task 1

Eating sweet foods produces acid in the mouth, which can cause tooth decay. (High acid levels are measured by low pH values)

Describe the information below and discuss the implications for dental health.

You should spend about 20 minutes on this task.

You should write at least 150 单词.

Writing task 2

Some museums and art galleries charge admission fees, while others have free entry.

Do you think the advantages of charging for admission outweigh the disadvantages?

Give reasons for your answer and include any relevant examples from your own knowledge or experience.

You should spend about 40 minutes on this task.

You should write at least 250 单词.