单项选择题


Questions 22 to 25 are based on the passage you have just heard.
What will be a possible threat to plants in the future

A．Storms and floods.
B．Disease and fire.
C．Less space for their growth.
D．Rapid increase of the animal population.
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单项选择题
What is the woman going to doe ______.
A．Join her friend.
B．Stay inside.
C．Sketch the tree.
D．Look for a job.
单项选择题
Why did the man start to teach English part time
A．He enjoyed teaching English.
B．He wanted to earn more to support his family.
C．The owner of the school promised him a good position.
D．He could earn more as a teacher than as a travel agent.
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