首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
In July 1994, Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet(彗星). When the fragments(碎片)lan
In July 1994, Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet(彗星). When the fragments(碎片)lan
admin
2014-03-16
70
问题
In July 1994, Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet(彗星). When the fragments(碎片)landed in the southern part of the giant planet, the explosions were watched by scientists here on earth. But what if our own planet was hit by a comet?
The year is 2094. It has been announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments will probably hit the southern part of the Earth. The news has caused panic.
On 17 July, a fragment four kilometres wide enters the Earth’ s atmosphere with a huge explosion. About half of the fragment is destroyed. But the major part survives and hits the South Atlantic at 200 times the speed of sound. The sea boils and an enormous wave is created and spreads. The wall of water rushes towards southern Africa at 800 kilometres an hour. Cities on the African coast are totally destroyed and millions of people are drowned. The wave moves into the Indian Ocean and heads towards Asia.
Millions of people are already dead in the southern part of the Earth, but the north won’ t escape for long. Tons of broken pieces are thrown into the atmosphere by the explosions. As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. Crops are ruined. Wars break out as countries fight for food. A year later civilization has collapsed. No more than 10 million people have survived.
Could it really happen? In fact, it has already happened more than once in the history of the Earth. The dinosaurs(恐龙)were 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 space fragment. The dinosaurs couldn’ t survive in the cold climate that followed and they became extinct. Will we meet the same end?
Why does the author mention dinosaurs at the end of the passage?
选项
A、Because they could only live in the warm climate.
B、Because they once dominated the Earth.
C、Because their extinction indicates future disasters.
D、Because dinosaurs and humans never live in the same age.
答案
C
解析
推理判断题。为了证明这种灾难发生的可能性,作者举例说明。举的例子是恐龙的火绝。它们曾经在地球上生活了近一亿六千万年,但是在六千五百万年前突然消失,所以证明未来的地球上可能发生灾难。所以正确的答案为C。
转载请注明原文地址:https://kaotiyun.com/show/Boud777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
0
公共英语二级笔试
公共英语(PETS)
相关试题推荐
HowoldareJadaandJessieinthisstory?
Whatistheprobablerelationshipbetweenthetwospeakers?
Nowhereelseintheworld______moreattractivescenerythaninSwitzerland.
Themystery(悬案)aroundthedisappearanceofthefamouscrimewriterAgathaChristiein1926wasalmostas【B1】asanyofherex
Whydidthemandecidetoleavethecollegeinhissecondterm?
The______estimateofgainsingrossnationalproductsuggestedafastrecoveryfromeconomicrecession.
请写一封邀请信,邀请Mr.Chapman来本公司参加十周年纪念日,并且同时告诉他将安排一次会议。要求:1.字数在100—120之间。2.表达清楚。
WhatwillbeshowedonWednesdayafternoon?
DeathValleyisoneofthemostfamousdesertsintheUnitedStates,coveringawideareawithitsalkalisand.Almost20percen
Themiddle-agedmanwasseen______outofthehouseontheafternoonofthemurder.
随机试题
关于麻疹,错误的是
Hewentonfoot,buthe________bybus.
检查有毒杂质砷时,有古蔡法,Ag-DDC法,当有大量干扰特别是锑存在时,可采用的方法有
广泛子宫切除和盆腔淋巴结清除术后留置尿管的时间为
某县国税局在税务检查时,发现某私营企业正在偷偷转移资金,有明显的迹象表明该企业有抽逃资金、拒绝交税的企图,为了防止该结果出现,税务机关冻结了该企业的银行存款。后该企业接到纳税通知书后,果然以种种借口拖延不办,税务机关从该企业的银行账户上强制划拨了相应的资金
某人拟在5年后用20000元支付孩子的学费,银行年复利率为12%,此人现在应存入银行()元。
首次接受委托对期初余额进行审计,注册会计师首先要考虑的是()。
高热量、高脂肪的食品是典型的西方国家的饮食。自1980年以来,中国人越来越多地食用高热量、高脂肪的食品,心脏病和糖尿病的发病率也提高了,但中国人的平均预期寿命却从20世纪80年代初的68岁增长为73岁,而且.仍在不断提高。如果以下陈述为真,哪一项
TaskOneForquestions13-17,matchtheextractswiththehotel,listedA-H.Foreachextract,choosethehotelwhichistalke
Weleftthemeeting,thereobviously______nopointinstaying.
最新回复
(
0
)