单项选择题


Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now listen to the passage.
Why did Venus become so different from the Earth in water supplying

A．Because of volcanic activity.
B．Because it is so dry.
C．Because it is near the sun,
D．Because of the strong winds.
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单项选择题
Why doesn’t the man want to change his work schedule
A．All the other work schedules conflict with his classes.
B．He doesn’t want to ask his boss for another favor.
C．He wants to work the same schedule as his friend’s.
D．lie likes to do his homework in the evenings.
单项选择题
What is special about fox hunting in Britain
A．h involves the use of a deadly poison;
B．It is a costly event which rarely occurs.
C．The hunters have set rules to follow.
D．The hunters have to go through strict training.
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