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. How were the pipes used in Hawaii

A．To transport water to higher elevations.
B．To provide air-conditioning.
C．To bring nutrients to the soil.
D．To adjust the soil temperature.
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单项选择题
What does the speaker imply about pedaling across the water in a canoe
A．It’s easy to get lost.
B．It requires enormous strength.
C．It’s a good group activity.
D．People shouldn’t do it in winter.
单项选择题
What will the man probably do after dinner
A．Listen to the woman’s talk.
B．Study for a test.
C．Go to class.
D．Prepare his presentation.
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