单项选择题


Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions.
Now listen to the news.
Why was an airport forced to close down

A．Because the blazes from the fire were too hot.
B．Because the smoke from the fires was too thick.
C．Because it was too droughty at the airport.
D．Because it rained heavily there.
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单项选择题
What are drug addicts concerned with
A．They are concerned with their financial situations.
B．They are concerned with their declining health.
C．They are concerned with how to get fid of drugs.
D．They are concerned with how to get drugs.
单项选择题
What does the woman remind the man about
A．That taste buds aren’t located only on the tongue.
B．That taste buds aren’t all the same size.
C．That solutions must be measured and mixed careful.
D．That he shouldn’t swallow the solutions.
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