四六级考试

【单选题】Passage Three
Questions 33 to 35 are based on the passage you have just hearD、 A．To show the key role played by air traffic controllers.
B．To show the great responsibility shouldered by the pilots.
C．To give an example of air disasters.
D．To show that air travel is far safer than driving a car.

网考网参考答案：A
网考网解析：
[听力原文] Why were the two large jets specially mentioned 文中提到Even a small mistake…cause a disaster，由此推断，作者之所以举两架大型喷气客机的例子是为了说明空中交通控制的关键作用(the key role played by air traffic controllers)，因此A为答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>