单项选择题

Questions 11 to 13 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. What does the passage say about accidents

A．Accidents are unavoidable.
B．Accidents can be avoided.
C．Human beings are always careless.
D．There should be more precautions.

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单项选择题

单项选择题

Questions 11 to 13 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. What does the passage say about accidents 您的浏览器不支持 audio 元素。