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In recent years, with more and more cars on the road, flying robots are used to deliver(递送) mails. Flying robots can ___mails to people's houses without having to deal with heavy_____.But they will spend too much time in returning. A research center is trying to improve its flying robots with the____of homing pigeons(信鸽).

Homing pigeons are pigeons that are____trained to fly home from somewhere else. In tests, researchers____that homing pigeons were____efficient(高效的) than flying robots at returning to their home. So the research center is trying to use a flying robot, together with a____, to deliver mails. After the robot finishes its tasks, it can____the pigeon back in the shortest possible time.

Although it will cost more money to____pigeons, the research center says that it can____time. And the time it saves will make up for the cost.

1.A.invite B.carry C.blow D.kick

2.A.traffic B.rain C.fire D.pollution

3.A.help B.luck C.treat D.interest

4.A.poorly B.carelessly C.specially D.musically

5.A.promised B.joked C.planned D.found

6.A.less B.more C.little D.much

7.A.homing pigeon B.big house C.leading person D.heavy car

8.A.train B.knock C.follow D.steal

9.A.dress B.paint C.clean D.raise

10.A.expect B.show C.kill D.save

九年级英语完型填空中等难度题

少年,再来一题如何?
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