新教材2021-2022学年人教版英语选择性必修第四册课时作业：UNIT 3 SEA EXPLORATION 表达作文巧升格 WORD版含答案-第一文库

在线预览结束，喜欢就下载吧，查找使用更方便

10 金币

下载此文档

/ 6

下载提示文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

课时分层作业(九)Ⅰ.阅读理解AItseemswecan'tgetofftheplanetfastenough.TwothirdsofNASA'smoneyisspentonmannedspaceexploration，andthatnumberwillgrowwiththeUSA'sdecisiontosendamantoMarsin2037.We'veseenallthereistoseeonEarth，right？Wrong.Thefinalplaceishere，underthesurfaceofthesea.Headingdownintotheocean，humanlimitsarequicklyreached.At200metres，thewaterisasblackasamoonlessnight.Mostnuclearsubmarines(核潜艇)wouldimplode(内爆)beforetheyreach1kmdown.At3km—stilllessthantheaveragedepthoftheocean—there'sagoodchancethatyou'lldiscoveranewspecies.Thedeepestdivingwhalesgonofurther.Attheverybottom，about11kmdown，liestheChallengerDeep，thedeepestpartoftheMarianaTrenchinthePacificOcean.EighteenhumanshavewalkedontheMoon，butonlythreehaveseentheDeepwiththeirowneyes.Yetthingslivedownthere.Bigthings.Averyloudsoundwasonceheardandscientistssuggestedthatitwasproducedbyananimalbiggerthanabluewhale，thelargestcreatureknownontheplanet.Inthelate1990s，adeepwatersubmarinewasdroppedintheSouthernOcean，andpassing4，000metres，itdiscoveredsomethinghugepassingunderit.Surprised？Don'tbe.Theoceancovers70%oftheplanet'ssurfaceandwe'vestudiedlessthan5%ofit.WeknowmoreaboutthedarksideoftheMoonthanaboutthebottomofthesea.Onereasonthatweexplorespaceistofindevidenceofotherlifeforms.ThesearchforlifeoutsideofEarthisimportant，butrobotscanlookunderthedryrocksofMarsbetterthanhumans.They'reabsolutelyimportantfordoingoceanresearchtoo，buttheycan'tlookunderthesea.Thecostofexplorationisrising，buttheresultswouldbenefitallourlives.Understandingtheoceanswillhelpusfindnewsourcesoffood，drugsandenergy.Perhapsnowit'stimetobeginanewperiodofseaexploration.Mannedexplorationofspaceissciencefiction.Theadventureofthedeepseaissciencefact.【语篇解读】这是一篇说明文。文章通过对theMarianaTrench和SouthernOcean海底勘探的描述，指出人类对深海的探索或许比对太空的探索更具现实意义。1．WhatdotheexamplesinParagraph2suggest?A．Seaexplorationisnoeasytask.B．Nuclearsubmarinesneedtobeimproved.C．Theoceanisfardeeperthanpeopleexpected.D．TheconditionundertheseaissimilartothatontheMoon.A[细节理解题。由第二段中的“Eighteenhumanshavewa