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.
What’s the topic discussed in this passage

A．Why people hold back their tears.
B．Why people cry.
C．How to restrain one’s tears.
D．How tears are produced.

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单项选择题

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. What’s the topic discussed in this passage 您的浏览器不支持 audio 元素。