Question

The year is 2094.It has been announced that a comet(彗星) is heading towards the Earth. Most of it will miss our planet, but two pieces will probably__1__the southern half of the Earth.

__2__17 July, a piece four kilometers wide enters the Earth's __3__ with a massive explosion. About half of the piece is destroyed, but the __4__  part hits the South Atlantic at 200 times the speed of __5__. The sea __6__ and a huge hole is made in the sea bed.Huge waves are created and spread out from the hole. The wall of water, a kilometer high, rushes towards southern Africa at 800 kilometers an hour. Cities on the African are totally destroyed and millions of people are__7__.

Before the waves reach South America, the second piece of the comet __8___ in Argentina.Earthquakes and volcanoes are__9__ off in the Andes Mountains. The shock __10__move north into California and all around the Pacific Ocean. The cities of Los Angeles, San Francisco and Tokyo are completely __11__by earthquakes. Millions of people in the __12__ half of the earth are already dead, __13__  the north won't be safe for long. Because of the explosions, the sun is __14__  by clouds of dust, temperatures around the world falls to almost zero. Crops are ruined.The sun won't be seen again for many years. Wars __15__ as countries fight for __16__.A year later, no more than 10 million people remain __17__.

Could it really __18__？ In fact, it has already more than once in the history of the Earth. Science shows that the dinosaurs(恐龙)__19__on the Earth for over 160 million years. Then 65 million years ago they suddenly disappeared.Many scientists believe that the Earth was hit by a piece of heavenly object. The dinosaurs couldn't live __20__ the cold climate that followed and they died out. Will we meet the same end?

1．A.attack  　　　B．hit　　　　C．beat　　　　 D．damage

2．A.On          B．In         C．At          D．During

3．A.air          B．environment  C．situation    D．atmosphere

4．A.rest         B．other       C．remaining    D．half

5．A.sound          B．light          C．earth               D．air

6．A.burns           B．destroys        C．harms            D．boils

7．A.dead             B．lost              C．killed               D．damaged

8．A.enters          B．comes          C．flies               D．lands

9．A.sent              B．set              C．caused                 D．made

10．A.rocks          B．waves         C．earth             D．shakes

11．A.damaged     B．changed      C．ruined      D．injured

12．A.southern    B．northern     C．western      D．eastern

13．A.and        B．besides      C．but         D．so

14．A.colored     B．hidden     C．polluted       D．shut

15．A.come out    B．erupt     C．take place     D．break out

16．A.water     B．money      C．food        D．the earth

17．A.dead     B．injured      C．active       D．on the earth

18．A.be true           B．happen

C．hit the earth      D．destroy the world

19．A.have been  B．had been  C．were      D．would be

20．A.for        B．through   C．with      D．on

Answer 1

1.解析：选B。彗星应该是“击中”地球，所以应该是hit。 beat意为反复的 “击打”。

2．解析：选A。有具体日期的时间短语前要用on。

3．解析：选D。彗星碎块进入“大气层”。所以应该是atmosphere。

4．解析：选D。该块彗星石的大部分已经燃烧，剩下的部分和地球相撞。rest不能作定语。只能说the rest of sth.。

5．解析：选A。以两百倍声速才符合科学常识。

6．解析：选D。大海沸腾起来，而不是燃烧起来。harm和destroy词义不符题意，另外也不能作不及物动词。

7．解析：选C。好几百万人丢了命。dead表示死亡状态；sb. be lost表示迷路。

8．解析：选D。另一块彗星降落在阿根廷境内。

9．解析：选B。句意为：火山和地震被引发。set sth. off引发某物剧烈发生。

10．解析：选B。shock waves冲击波，符合语境。

11．解析：选C。由文意可知，这两座城市完全被毁灭。

12．解析：选A。第一段最后一句提示了该两块彗星会击中南半球。

13．解析：选A。这前后两句应该为递进关系。

14．解析：选B。句意为：太阳被云层遮盖。

15．解析：选D。战争爆发应该用break out。

16．解析：选C。前句说“Crops are ruined”，所以国与国会为争夺粮食而战。

17．解析：选D。句意为：一年后地球上仅仅存留着一千万人。

18．解析：选B。此句意为“这种事情真的会发生吗”，而非“这种事情可能是事实吗”；因为it指这种事情，而不是该彗星，所以C、D两项都不对。

19．解析：选C。此句应为“恐龙曾经在地球上生活过1.6亿年”，并没有延续到现在，所以不能为现在完成时态；另外，shows是现在时态，所以答案也不能是过去完成时态。

20．解析：选B。恐龙不能“度过这样的气候”。