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
考研
Dinosaurs were reptiles which became extinct about 65 million years ago. The most【C1】______question about dinosaurs has always b
Dinosaurs were reptiles which became extinct about 65 million years ago. The most【C1】______question about dinosaurs has always b
admin
2010-12-05
22
问题
Dinosaurs were reptiles which became extinct about 65 million years ago. The most【C1】______question about dinosaurs has always been【C2】______did they die out?" There is no simple answer to this question, 【C3】______many hundreds of scientists are studying the problem. They are not studying the extinction of the dinosaurs【C4】______, but the whole question of【C5】______Many other plants and animals have【C6】______in the past, and it is important to understand【C7】______this happened. Having this information could help save many species that are【C8】______in the modern world. Humans are causing extinctions now, because of pollution and other damages【C9】______the environment. Maybe the dinosaurs can tell us how to save the earth today, 【C10】______their extinction 65 million years ago?
Some of the early【C11】______scientists, 100 years ago, thought the dinosaurs died out because the【C12】______changed, and they could not breathe. Other thought that the dinosaurs disappeared simply because they became too big. They were【C13】______to move without falling over, and could not find enough food【C14】______One theory is that a huge killer meteorite【C15】______the earth. Some scientists【C16】______that the extinction of dinosaurs was possibly due to rapid【C17】______of the planet’ s climate. Perhaps huge amount of lava pours out of【C18】______in India. This sent up vast【C19】______of dust that blacked out the sun, and made the earth【C20】______cold.
【C13】
选项
A、heavy enough
B、heavy as
C、so heavy
D、too heavy
答案
D
解析
句意:他们太重了,以至于他们如果不摔倒的话就无法移动。too…to…太…以至于…。
转载请注明原文地址:https://jikaoti.com/ti/oC7RFFFM
0
考研英语一
相关试题推荐
Peopleoftenwonderwhyhistoriansgotosomuchtroubletopreservemillionsofbooks,documentsandrecordsofthepast.Whyd
WhatdidthewritersayhappenedtoMichaelFayinSingapore?ItcanbelearnedfromthetextthatthedebatetriggeredbyFay’
ThedomesticeconomyintheUnitedStatesexpandedinaremarkablyvigorousandsteadyfashion.Therevivalinconsumerconfiden
Whenadiseaseofepidemicproportionsthreatensthepublic,scientistsimmediatelygettowork,tryingtolocatethesourceof
Energywillbeoneofthedefiningissuesofthiscentury.Onethingisclear:theeraof(1)_____oilisover.Whatwealldon
(46)ScientistsatJohnsHopkinshavediscovered"striking"differencesbetweenmenandwomeninapartofthebrainlinkedwith
Traditionally,thestudyofhistoryhashadfixedboundariesandfocalpoints—periods,countries,dramaticevents,andgreatlea
Highoilpriceshavenotyetproducedaneconomicshockamongconsumingcountries,butfurtherrises,especiallysharp(1)_____,
Contrarytotheimpressionthatgrandmothersaredelightedtohelptheirgrowndaughtersandcarefortheirgrandchildren,astu
Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemformostofthemisunderstandingsbetw
随机试题
激素到达靶细胞的途径有()。
低档食品、服装的需求收入弹性()
WHO关于健康的定义正确的是
进口设备检验鉴定费用属于()。
用以复现和保存计量单位量值的计量基准器具,须经()批准。
会计信息系统与业务信息系统的一体化的优势有()。
对于一个正处在成长阶段的公司而言,现金股息是最合适的股息分派方式。()
下列关于敏感性分析的说法,错误的是()。
定量与定期订货法的区别有()。
不作为
最新回复
(
0
)