单项选择题

The author's purpose of writing this passage is to ______.

A．explain why people have emotions
B．show how people avoid the negative emotions
C．explain what people should do before emotions
D．define and classify people's emotions

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热门试题

单项选择题

As used in the last sentence, the word drains means ______.

A．stops
B．ties
C．weakens
D．flows gradually

单项选择题

We can safely conclude that a student may fail in an exam if ______.

A．he cannot think properly
B．he can't pay attention to it
C．he can't finish it
D．he is not full of energy