Questions I to 5 are based on an interview. At the end of the inter view you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. It can be assumed from the interview that an informal atmosphere might be found in

单项选择题Which of the following is mentioned in tile passage

单项选择题The author makes it clear that______.

单项选择题Which of the following, according to the author, should play the leading role in the solution of environmental problems

单项选择题Consumers are concerned about the changes in package size, mainly because______.

单项选择题We know from the passage that a car can enter a special-purpose lane______.