单项选择题


In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your answer sheet.
Questions 6 & 7 are based on the following news item. At the end of the news item, you will be given 10 seconds to answer each question.
Now listen to the news.

Why Chang’ aa is popular in poor areas

A.It is very cheap.
B.It can make people highly dizzy.
C.It provides way for poor people to escape from the misery of slum living.
D.People who sell it can get great profit.