An order came the work next week. A.which;must be done B.that;would be done C.when;do D.that;be done 题目和参考答案——青夏教育精英家教网—

题目内容

An order came　　 the work　　 next week.

A.which;must be done　　　　　　　　　　B.that;would be done

C.when;do　　　　　　　　　　　　　　　D.that;be done

解析:

该句考查that引导的同位语从句，以及order后面的同位语从句须用虚拟语气，其中should省略。

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　　Today, air travel is far safer than driving a car on a busy road. But there is 1 that grows every year. Airliners (客机) get 2 . Some can carry over 300 passengers. And the 3 becomes more and more crowded. 4 one giant (巨大的) airliner crashed (撞) into 5 in the air, 600 lives could be lost.

　　From the moment an airliner takes off to the moment it 6 , every moment is 7 on radar (雷达) screens.

　　Air traffic controllers tell the pilot 8 when to turn, when to climb and when to 9 . The air traffic controllers around 10 airport like London-Heathrow may handle (处理) 2500 planes 11 . All of them 12 don't land at the airport. And plane that flies 13 the airport under the orders of the controllers there. Even a small mistake 14 could cause a disaster.

　　Recently such a disaster 15 . Two large airliners were flying towards the airport. One was carrying 69 passengers and the other was carrying 76 passengers. An air traffic controllers 16 on his radar that the two planes were too close to each other. He ordered one to turn to the right and to climb. But he made 17 . He ordered the wrong plane to do this. So, 18 of turning away from the second plane, the first plane turned towards it. Fifteen seconds later, it flew directly in front of the second plane. They avoided each other by the smallest part of a second. The distance 19 them was leas than 20 of a large swimming pool. This is an example of the danger that grows every year.

1．

[　　]

2．

[　　]

A．smaller and smaller

B．heavier and heavier

C．lighter and lighter

D．larger and larger