11.You have probably heard of homing pigeons,which usually appeared in war.From 3000B.C.to the present,homing pigeons have(31)Bas postmen.They have been especially useful for carrying messages(32)Dwar.The telegraph(電報機) is not(33)Ato carry about.Sometimes only the little pigeon can take a message where it ought to go.
In 1870,when the Prussians surrounded the city of Paris,the city was cut off from all the usual means of communication(交流).The people(34)Cmany different ways of sending news.One way was to let go small balloons carrying mail.(35)Dof course,they only drifted(漂移)(36)Dthe wind carried them.Often they landed inside the enemy's lines.Even balloons large enough to carry a pilot could hardly be well controlled.
It was pigeons that in the end solved the (37)C.Homing pigeons were brought into Paris.Soon they were carrying letters far and wide.The enemy bought hawks to catch pigeons,but the little postmen could fly faster than their (38)A.Strangely enough,pigeons played an important(39)Bin war.
During World War I every army unit had a group of trained pigeons.Many of them were honored.Among them(40)Ban American pigeon with a French name Cher Ami,which meant"dear friend".A group of U.S.soldiers were surrounded by the enemy.They had no food and no bullets (子彈).They nearly died of(41)B.There was little hope for them.Cher Ami made his way(42)Dthe enemy's bullets and succeeded.At once planes(43)Cto drop food and ammunition (軍火) to them.With their strength renewed,the soldiers fought back to their own army and were saved.
(44)Bcan pigeons carry the message?There were various methods.Usually the message is put into a little glass tube.The tube is tied to a leg or behind under  (45)Dor hung around the neck.
31.A.consideredB.servedC.regardedD.made
32.A.in favor ofB.in need ofC.in charge ofD.in time of
33.A.easyB.difficultC.necessaryD.important
34.A.sawB.didC.triedD.managed
35.A.AndB.ThoughC.SinceD.But
36.A.whichB.thatC.to whichD.where
37.A.questionB.situationC.problemD.mystery
38.A.enemiesB.postmenC.balloonsD.bullets
39.A.a(chǎn)ctionB.partC.ballD.way
40.A.wereB.wasC.beD.had
41.A.excitementB.hungerC.a(chǎn)ngerD.information
42.A.forB.toC.inD.through
43.A.landedB.found outC.set outD.set about
44.A.WhyB.HowC.WhenD.Where
45.A.the headB.a(chǎn) bodyC.the footD.a(chǎn) wing

分析 文章敘述了在戰(zhàn)爭期間,鴿子起了重要的作用,即傳遞信息并簡要分析了鴿子傳遞信息的方法.

解答 31.B 32.D 33.A 34.C 35.D  36.D 37.C 38.A 39.B 40.B  41.B 42.D 43.C 44.B 45.D
31.B 考查動詞.根據(jù)前句which usually appeared in war可知,鴿子充當信使,sever as 為固定短語,當做…
32.D 考察介詞短語.前句提到鴿子在戰(zhàn)爭時代的作用,in time of war在戰(zhàn)爭期間.
33.A 考察形容詞.The telegraph電報攜帶起來很不容易.
34.C 考察動詞.根據(jù)后句的內(nèi)容,如用氣球等傳遞消息可知,當時嘗試了很多方法,try動詞嘗試.
35.D 考察連詞.氣球只有在有風(fēng)的地方才能漂移,所以表示轉(zhuǎn)折,暗示失。
36.D 考察連接詞.where引導(dǎo)一個狀語從句,意思是在有風(fēng)的地方氣球才能飄起來.
37.C 考察名詞.根據(jù)前面的敘述,可知他們一直尋找解決傳遞信息的方法,最后鴿子解決了這個問題.
38.A 考察名詞.enemies意思是敵人,指前文的hawks,老鷹.
39.B  考察名詞.此處考察一個固定短語,play an important part in 在…里面起重要的作用.
40.B  考察謂語.這句是一個倒裝句,主語an American pigeon 為單數(shù),所以用was.
41.B 考察名詞.They had no food 提到?jīng)]有食物,應(yīng)該是死于饑餓.
42.D 考察介詞.through為介詞,通過,意思是通過敵人的槍林彈雨,最后成功.
43.C 考察動詞短語.set out to do意思開始做某事.
44.B 考察連接詞.There were various methods可知前句問的是鴿子是如何傳遞信息的.
45.D 考察名詞.最后一句解釋了鴿子是將信息綁在腿上或者翅膀下面或者在脖子上.

點評 完形填空主要考查學(xué)生對全文的把握,在答題時先縱觀全文大意,注意上下文以及前后句的銜接,在選擇時全方位考慮,注意句子之間的邏輯關(guān)系.

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