完形填空 阅读下面短文.从短文后所给各题的四个选项(A.B.C.D)中选出能填入空白处的最佳选项. Bats are among the least under

完形填空

阅读下面短文，从短文后所给各题的四个选项（A、B、C、D）中选出能填入空白处的最佳选项。

Bats are among the least understoodcreatures (动物) in the world today. Until  1 not many people seemed to care about their rapid disappearance.That’s   2   strong feelings about batsare the results of many  3   beliefs aboutthe creatures.   4   ,bats are not a threat topeople.   5   they are a central part ofthe environment.

   6   are one of the most effectivecontrols in insect’s population. For example, a   7   littlebrown bat can catch 600 insects in an hour. Twenty-five million bats    8   lived in a cave in the Southeastern state ofArizona. They killed up to 200 tons of insects    9  night. The bats protected crops of local farms  10   being destroyed by the insects.

For the past several years, scientistshave been learning more about the economical and environmental    11   of bats. Throughout the world, bats are the main   12   of insects that destroy crops and forests. Bats   13   help carry pollen(花粉)tofertilize flowers. And they    14  plant seeds throughout deserts and forests area. The loss(衰减) of bats   15    many fruits nuts and vegetablesthroughout the world can not survive.

In the United States, more than half ofthe different kinds of bats are considered in    16  of disappearing. Their loss will increase the dependence of farmers   17   poisonous chemicals to kill harmful insects.

In 1962, an organization was set up tohelp   18   bats and the area where theylive. The organization  19    Bats Conservation International was formedby Merlin Tuttle, who is recognized worldwide    20   a leading expert onbats. Bats Conservation International now has more than 12 000 members in 55countries.

1.A.recently  B.before   C.the future D.later

2.A.why   B.because C.because of    D. thereason of

3.A.right   B.false  C.proper  D.correct

4.A.However    B.So    C.Therefore D.And

5.A.In sight  B.In time  C.In fact    D.In addition

6.A.Bees   B.Cats  C.Birds    D.Bats

7.A.single B.pair   C.kind    

; D.only

8.A.sometimes B.once C.some times   D.yet

9.A.each   B.other C.at   D.all

10.A.for   B.from C.to   D.by

11.A.value    B.size   C.help D.shape

12.A.friends  B.hunters  C.supporters    D.assistants

13.A.harmfully  B.nearly    C.also D.still

14.A.destroy B.eat    C.spread  D.hurt

15.A.means  B.says  C.thinks  D.owns

16.A.safety   B.danger   C.station  D.suffering

17.A.on    B.over  C.with D.across

18.A.wipe away    B.waste    C.get rid of  D.save

19.A.called   B.supposed   C.chosen    D.imagined

20.A.like   B.as C.than D.up

试题答案

答案：A;B;B;A;C;D;A;B;A;B;A;B;C;C;A;B;A;D;A;B