单项选择题

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage.

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单项选择题
How far do the swallows migrate
A．About 200 miles.
B．About 1,000 miles.
C．About 7,000 miles.
D．About 5,000 miles.
单项选择题
How can the bees in the passage be described
A．Diligent.
B．Interesting.
C．Creative.
D．Cooperative.
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