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单项选择题

Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. What do several airlines blame the European authorities for

A. They impose flight restrictions.
B. Their decision has led to travel chaos.
C. Their decision to ground flights is not based on solid grounds.
D. Their computer system doesn’t work well.
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单项选择题According to the passage, which of the following is NOT likely to be provided by vocation rentals

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D. Parking lot.

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D. connotation

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A. Carter.

B. Nixon.
C. Reagan.

D. Clinton.

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A. random sampling
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A. America.

B. Australia.
C. Canada.

D. China.