单项选择题

Questions 14 to 16 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 is a special substance painted on the tree

A．To make a wound smooth.
B．To prevent disease entering a wound.
C．To cover a rough surface.
D．To help a wound to dry.
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单项选择题
What does the woman Want the man to do
A．She wants the man to listen to the instructions and observe.
B．She wants the man to watch white she performs the operations.
C．She wants the man to ask questions so that she can help him.
D．She wants the man to try to do it while she gives him instructions.
单项选择题
Why did the beat generation refuse to cooperate with society
A．They had no interest.
B．They found hard to cooperate with it .
C．The laws block their way to do so.
D．They thought their need was neglected.
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