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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(电报机) 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 (子弹).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 (军火) 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.actionB.partC.ballD.way
40.A.wereB.wasC.beD.had
41.A.excitementB.hungerC.angerD.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 bodyC.the footD.a wing

分析 文章叙述了在战争期间,鸽子起了重要的作用,即传递信息并简要分析了鸽子传递信息的方法.

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 考查动词.根据前句which usually appeared in war可知,鸽子充当信使,sever as 为固定短语,当做…
32.D 考察介词短语.前句提到鸽子在战争时代的作用,in time of war在战争期间.
33.A 考察形容词.The telegraph电报携带起来很不容易.
34.C 考察动词.根据后句的内容,如用气球等传递消息可知,当时尝试了很多方法,try动词尝试.
35.D 考察连词.气球只有在有风的地方才能漂移,所以表示转折,暗示失败.
36.D 考察连接词.where引导一个状语从句,意思是在有风的地方气球才能飘起来.
37.C 考察名词.根据前面的叙述,可知他们一直寻找解决传递信息的方法,最后鸽子解决了这个问题.
38.A 考察名词.enemies意思是敌人,指前文的hawks,老鹰.
39.B  考察名词.此处考察一个固定短语,play an important part in 在…里面起重要的作用.
40.B  考察谓语.这句是一个倒装句,主语an American pigeon 为单数,所以用was.
41.B 考察名词.They had no food 提到没有食物,应该是死于饥饿.
42.D 考察介词.through为介词,通过,意思是通过敌人的枪林弹雨,最后成功.
43.C 考察动词短语.set out to do意思开始做某事.
44.B 考察连接词.There were various methods可知前句问的是鸽子是如何传递信息的.
45.D 考察名词.最后一句解释了鸽子是将信息绑在腿上或者翅膀下面或者在脖子上.

点评 完形填空主要考查学生对全文的把握,在答题时先纵观全文大意,注意上下文以及前后句的衔接,在选择时全方位考虑,注意句子之间的逻辑关系.

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