2. 外语
  3. Anyone who sees a special type of airplane with its turning wings knows it is a helicopter’s. One of the helicopter’s most impor

Anyone who sees a special type of airplane with its turning wings knows it is a helicopter’s. One of the helicopter’s most impor

admin2010-08-04  32
问题     Anyone who sees a special type of airplane with its turning wings knows it is a helicopter’s. One of the helicopter’s most important【B1】______is its ability to fly as slowly as it likes. It can do more than that. It can move【B2】______,【B3】______and sideways. It can also stay in the air without【B4】______at all. Above all it can move up and down in a completely【B5】______line: the ability to take off and land is the most【B6】______For in this way it can deliver goods and【B7】______to places which could not possibly be reached by【B8】______planes, It can land in a very small field. It can land on a road or on a small ship.【B9】______They are used for loading ships and for building things of all kinds. The big oil companies use them for sending supplies to men scathing for oil under the sea.【B10】______Every day somewhere in the world lives are saved by helicopters.【B11】______Ordinary airplanes cannot land in the center of cities. Helicopters can. In New York, there is a helicopter service between the three big airports. London, too, has one to connect with London Airport. This could have a very important effect on air travel in Britain.
【B10】
选项
答案But helicopters are most in the use when they go to the help of people who are in danger.
解析
转载请注明原文地址:https://kaotiyun.com/show/QrA7777K
0

大学英语四级

相关试题推荐
随机试题
最新回复(0)