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完形填空(共20小题;每小题1分,满分20分) 请认真阅读下面短文,从短文后各题...

完形填空(共20小题;每小题1分,满分20分)

请认真阅读下面短文,从短文后各题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。

Most people think of birds as feathered animals that fly. Scientists,   36 , do not define (给…下定义) birds as animals that fly, because some birds do not. Of the 10,000 or so species of birds, 46 cannot   37 . Flight plays a key role in   38  for most birds. It allows them to find food over a   39  area and to get away from enemies. Ancestors of flightless birds may have   40   their ability to fly because they had no regular predators (捕食者) or did not need to fly to find food. Rather than fly, some of these birds developed other   41  to catch food and avoid enemies. Two examples of   42  birds are penguins and ostriches.

  43  birds that fly, penguins do not have wide wings or large feathers. In order to catch the fish they feed on, penguins use their powerful wings to swim   44 . And when they swim,  they look as if they are flying through the water. The   45  of penguins’ bodies makes it possible for them to dive deep underwater,  46  their thick feathers protect them from the cold.

Ostriches are known for their long legs, long necks, and large size. To   47  themselves, they stay in groups and use their excellent sight and hearing to   48  enemies. As soon as    49  approaches, they can run at a speed of more than 65 kilometers per hour to   50  . In addition to using their strong legs to run, they can kick powerfully. 

Not all flightless birds have been   51  in protecting themselves. Flightless birds on some islands had no enemies until people   52 . These birds were hunted and easily caught by people and the animals   53  by people. Human land development has   54  the habitats of some birds. A number of flightless birds   55  because they were unable to adapt to new conditions and new enemies.

1.                A.thus           B.however        C.therefore D.otherwise

 

2.                A.stand          B.fly             C.hear D.sing

 

3.                A.growth         B.communication   C.health    D.survival

 

4.                A.wide           B.familiar         C.crowded  D.special

 

5.                A.developed      B.improved       C.lost  D.proved

 

6.                A.parts           B.habits          C.ways D.tools

 

7.                A.wild           B.interesting      C.rare D.flightless

 

8.                A.Instead of       B.Because of      C.Besides   D.Unlike

 

9.                A.quickly         B.carefully        C.differently D.gradually

 

10.               A.shape          B.color           C.bone D.skin

 

11.               A.if             B.and            C.but   D.so

 

12.               A.help           B.feed           C.protect    D.hide

 

13.               A.kill            B.notice          C.confuse   D.frighten

 

14.               A.dawn          B.darkness        C.danger    D.food

 

15.               A.look           B.escape         C.move D.fight

 

16.               A.successful      B.natural         C.unusual   D.positive

 

17.               A.realized        B.acted          C.stopped   D.arrived

 

18.               A.brought        B.found          C.bought    D.hunted

 

19.               A.provided       B.formed         C.destroyed D.controlled

 

20.               A.flew away       B.watched out     C.gave away D.died out

 

 

1.B 2.B 3.D 4.A 5.C 6.C 7.D 8.D 9.A 10.A 11.B 12.C 13.B 14.C 15.B 16.A 17.D 18.A 19.C 20.D 【解析】 试题分析:本文介绍了一些不会飞的鸟,和它们是怎么生存的,以及人类对它们造成的危害。 1.考查副词:A. thus因此B. however然而C. therefore因此D. otherwise否则,然而,科学家没有把鸟定义成可以飞的动物。选B 2.考查动词:A. stand 站B. fly飞C. hear听见D. sing唱歌,大概有1万种左右的鸟是不会飞的。选B 3.考查名词:A. growth成长B. communication交流C. health健康D. survival幸存,飞行在大多数鸟的生存方面是起着很大的作用的。选D 4.考查形容词:A. wide宽的B. familiar熟悉的C. crowded拥挤的D. special特殊的,这可以允许它们在开阔的地方找到食物。选A 5.考查动词:A. developed 发展B. improved提高C. lost丢失D. proved证明,不会飞的鸟可能失去了这种能力。选C 6.考查名词:A. parts部分B. habits习惯C. ways方法D. tools工具,没有用飞行,有的鸟发展了其他找食物的办法。选C 7.考查形容词:A. wild野生的B. interesting有趣的C. rare 罕见的D. flightless不会飞的,两种不会飞的鸟是企鹅和鸵鸟.选 D。 8.考查短语:A. Instead of代替B. Because of因为C. Besides此外D. Unlike不像,不像其他会飞的鸟,企鹅没有宽大的翅膀和羽毛。选D 9.考查副词:A. quickly迅速地B. carefully仔细地C. differently不同地D. gradually一般地,企鹅用有力的翅膀快速的游动。选A 10.考查名词:A. shape形状B. color颜色C. bone骨头D. skin皮肤,企鹅身体的形状使它们可以潜到水下。选A 11.考查连词A. if如果B. and并且C. but但是D. so因此,而且它们的羽毛保护它们抵御寒冷。选B 12.考查动词:A. help帮助B. feed 喂养C. protect保护D. hide躲藏,为了保护自己鸵鸟用自己优秀的视力和听力注意敌人。选C 13.考查动词:A. kill杀死B. notice注意C. confuse混淆D. frighten使…害怕,为了保护自己鸵鸟用自己优秀的视力和听力注意敌人。选B 14.考查名词:A. dawn黎明B. darkness黑暗C. danger危险D. food食物,一旦危险靠近。选C 15.考查动词:A. look看B. escape逃跑C. move 移动D. fight争斗,它们能以一小时65公里的速度逃跑。选B 16.考查形容词:A. successful成功的B. natural自然的C. unusual不寻常的D. positive积极的,不是所有的不会飞的鸟都能成功的保护自己的。选A 17.考查动词:A. realized 意识到B. acted表演C. stopped停止D. arrived到达,在岛上的不会飞的鸟在人类到达时才有敌人。选D 18.考查动词:A. brought带来B. found发现C. bought买D. hunted打猎,这些鸟很容易被人或人带来的动物抓获。选A 19.考查动词:A. provided提供B. formed形成C. destroyed破坏D. controlled控制,人类的土地开发破坏了鸟类的栖息地。选C 20.考查动词短语:A. flew away飞走B. watched out 当心C. gave away赠送D. died out灭绝,因为不能适应新环境和新敌人,很多不会飞的鸟都灭绝了。选D 考点:考查环保类短文
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