英语每天练五题（轻松学英语每日一练）

英语每天练五题（轻松学英语每日一练）C.specially D.carefully4.A.poorly B.carelessly1.A.invite B.carry C.blow D.kick2.A.cost B.take C.spend D.pay3.A.help B.luck C.treat D.interest

阅读下面短文，根据短文内容从各小题所给的答案中选出一个最佳答案。

In recent years with more and more cars on the road flying robots are used to deliver (投递；送) mails. Flying robots can ___1___ mails to people's houses without having to deal with heavy traffic but they will ___2___ too much time in returning. A research centre is trying to improve its flying robots with the ___3___ of homing pigeons (信鸽).

Homing pigeons are pigeons that are ___4___ trained (培训) to fly home from somewhere else. In tests researchers ___5___ that homing pigeons were ___6___ efficient (有效的) than flying robots at returning to their home. So the research centre is trying to use a flying robot together with a homing pigeon to deliver ___7___ . After the flying robot finishes ___8___ tasks it can follow the pigeon back in the shortest possible time.

Although it will cost more money to ___9___ pigeons the research centre say it can same time. And the time it saves will make ___10___ for the cost.

1.A.invite B.carry C.blow D.kick

2.A.cost B.take C.spend D.pay

3.A.help B.luck C.treat D.interest

4.A.poorly B.carelessly

C.specially D.carefully

5.A.promised B.joked

C.planned D.found

6.A.less B.more C.little D.much

7.A.books B.pictures C.mails D.cars

8.A.it B.its C.it's D.itself

9.A.clean B.teach C.show D.raise

10.A.up B.of C.out D.down