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
75
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.
【C15】
选项
A、collapsed
B、crashed
C、knocked
D、hit
答案
D
解析
句意:一种理论认为是一颗巨大的致命的陨星碰撞到地球。hit碰撞。collapse使坍塌。crash使猛撞,使撞毁。knock敲,打。hit和crash的区别:hit是一方对一方施力,crash则强调双方同时施力。
转载请注明原文地址:https://kaotiyun.com/show/gSZ4777K
0
考研英语一
相关试题推荐
Informationchannelingisundergoingremarkableprogressinvarioussectorsofsocietyinindustrialactivities,publicservices
ThesearetoughtimesforWal-Mart,America’sbiggestretailer.Longaccusedof(1)_____small-townAmericamadcondemnedforth
Whenadiseaseofepidemicproportionsthreatensthepublic,scientistsimmediatelygettowork,tryingtolocatethesourceof
Theearliestcontroversiesabouttherelationshipbetweenphotographyandartcenteredonwhetherphotographer’sfidelitytoapp
Somepeopleexpectedshort-terminterestratestojumpsoonbecausetheyThepurposeoftheauthorinwritingthetextisto
FromthetextwecaninferthattheNABrepresents______.Accordingtotheauthor,NPR’soppositiontolowpowerradioissurpr
Amonthago,theBritishgovernmentannouncedaplantokeepterroristsuspectsindefinitelyunderhousearrest(1)_____thehom
BeforeDr.LutherL.Terry,thentheSurgeonGeneraloftheUnitedStates,issuedhisoffice’sfirst"ReportonSmokingandHeal
(46)ScientistsatJohnsHopkinshavediscovered"striking"differencesbetweenmenandwomeninapartofthebrainlinkedwith
Thechancesarethatyoumadeupyourmindaboutsmokingalongtimeagoanddecidedit’snotforyou.Thechancesareequal
随机试题
简述文艺复兴时期,新型的教育机构与原有学校不同之处。
可抑制胃排空的因素是
患者56岁,绝经2年,阴道不规则出血1月余,无腹痛,阴道脱落细胞学检查为巴氏Ⅱ级,妇科检查:宫颈轻度糜烂,宫体略大,双宫旁(-),进一步处理方案:
病人最可能的问题是腹膜感染的诊断标准不包括下列哪项
A.苦参碱和氧化苦参碱B.汉防己甲素和乙素C.莨菪碱和东莨菪碱D.小蘖碱与其共存生物碱E.麻黄碱和伪麻黄碱利用生物碱或其盐溶解度不同或特殊功能基分离生物碱,选择以下溶剂或成盐形式可分离
《国土资源行政复议规定》规定,复议机关收到行政复议申请后,复议人员应当填写收案登记表,注明收案时间、申请人、被申请人、复议请求等内容,并在()个工作日内对复议申请进行审查。
【背景】某隧洞工程,施工单位与项目业主签订了120000万元的施工总承包合同,合同约定:每延长(或缩短)1天工期,处罚(或奖励)金额3万元。施工过程中发生了以下事件:事件1:施工前,施工单位拟定了三种隧洞开挖施工方案,并测定
我国甲公司与日本乙公司签订合同出口大豆到日本,根据合同,甲公司不负责办理出口清关手续及支付相关费用,根据I《NCOTERMS2000》,应采用的贸易术语是()
拼贴画时要注意__________和__________的对比,根据画面的效果需要处理__________的关系。
Thefirstpre-electionpoll,orstrawvote,asitwasthencalled,wasconductedbytheHarrisburyPennsylvanianbeforethe182
最新回复
(
0
)