专四专八考试

【单选题】Questions 18 to 20 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.
The example mentioned in the passage is to show ______.A．the potential danger in the air travel
B．the importance of the pilots
C．air travel is much safer than other means of traveling
D．the role played by the air controller

网考网参考答案：A
网考网解析：
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