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Unit6Developing ideas
一、填空（根据首字母单词拼写）
1.Ten menc thecommittee..（根据首字母单词拼写）
2.He ise ina bigproject（根据首字母单词拼写）
3.This exercisewill workthe mof thelower back.（简单的）（根据汉语提示单词拼写）
4.Its quiteto getto thelake.（望远镜）（根据汉语提示单词拼写）
5.The spacehas takenthe clearestpictures ofPluto.
二、完成句子（共分）否则我将以失败告终
6.Otherwise,I willfailure.这个问题看起来够容易的了
7.The questionseemed..他们正采用一项新的技术寻找石油8They are using a new technology..他下周将和她订婚9He willher nextweek.他们从事音乐研究
10.They thestudy ofmusic.
三、用单词的适当形式完成短文（共分）阅读下面短文，在空白处填入个适当的单词或括号内单词的正确形式1Space scientistssay theyhave identifiedthe mostdistant starever recorded.Astronomers madethe（）discovery withthe HubbleSpace Telescope11operate bythe Americanspace agencyNASA.（）Researchers estimatedthe starwas50to100times themass of the sun,and12million oftimesbrighter than the sun.（）It takesbillions ofyears forthe lightfrom distantstars13reach Earth.The teamsays the stars（）light14believe tohave traveledfor
12.9billion years before arrivingin theplanet.This means the（）star wouldhave existedwhen the universe was about sevenpercent of15it currentage.A memberof the researchteam,Brian Welch,（）called the16extreme hotand brightstar Earendel,17meansthemorningstar orthe risinglight.“We definitelyjust gotlucky.Although scientistson Earthcan nowsee itslight,Earendel itselfsurely nolonger exists.This is18such hugestars haveshort lives.The starprobablyexisted fora fewhundred millionyearsbefore19（die）in anexplosion/9Welch said.Hubble hasobservedthe lightfrom thegalaxy thatdates back20about400years afterthe BigBang,he added.
四、阅读理解（共o分）（凤凰），Like aphoenix somestars mayburst to life covered in“ash Jrising fromthe remainsofstars thathad previouslypassed on.（氮聚变）,Two fireballscovered in carbon and oxygen,ashy byproductsof heliumfusion belongtoanewclass of stars,researchers reportin theMarch MonthlyNotices.Though theseburning objectsarenot the first starsfound covered incarbon and oxygen,they arethefirstdiscovered tohavehelium-burning cores.（并合）“That mergertells youthestarmust haveevolved differently,“says studyauthor NicoleReindl.（白矮星），The starsmay have formed fromthe merger of twowhite dwarfsthe remainingheartsof starsthat exhaustedtheir fuel,Reindl furtherexplains.One of the twowas richin helium,while theothercontained lotsof carbon andoxygen.These twowhite dwarfshad alreadybeen orbitingoneanother,but graduallydrew together.Eventually the helium-rich white dwarf“ate”its partner,leavingcarbon andoxygen allover itssurface Justasamessy childmight getfood allover theirface.Such amerger wouldhave produceda starcoveredincarbonandoxygen toburn nuclearfusion initscore again,says TiaraBattich,a Germanastrophysicist.To testthis idea,Battich copiedthe evolution,death andeventual mergerof two stars onhis（模拟）computer andsimulated theprocess.He foundthat puttingtogether acarbon-and-oxygen-richwhite dwarfand amore massivehelium onecould explainthe compositionsofthe twostarsobserved byReindland hercolleagues.“But thisshould happenvery rarely,Battich says.In mostcases the opposite shouldoccur,becausecarbon-oxygen whitedwarfs areusually themore massiveones.For therarer caseto occur,two starsslightlymore massivethanthesun musthaveformedat justthe rightdistance andthe righttime.The originsstory Battichproposes demandsa veryspecific andunusual setof circumstances,saysSimon Blouin,a Canadianastrophysicist.But inthe end,it makes sense.”
21.Whafs thenewest discoveryofthemergeroftwo starsA.It producesa massof heliumash.B,It possessesa helium-burning core.C.It iscoveredincarbonandoxygen.D.It makesan oxygenatmosphere forlife.
22.How didBattich provehis assumptionofthemergerA.By co-working withRcindEs team.B.By makingastronomic observations.C.By buildingmodels onhis computer.D.By testingthetwostars compositions.
23.The underlinedphrase“theopposite“means.A.the carbon-oxygen whitedwarf ate the heliumoneB.thehelium whitedwarfatethecarbon-oxygen oneC.heliumwhitedwarfs areusually themore massiveonesD.carbon-oxygen whitedwarfs areusually themore massiveones
24.Whats themain ideaof thetextA.The formationof starsmakessense.B・The burningofstarsbrings themtolife.C.Stars inspirescientists toreflect ontheuniverse.D.Star mergerscan unfoldin morethan oneway.参考答案
1.compose##ompose【解析】【详解】考查动词句意委员会由十个人组成陈述客观事实，用一般现在时根据首字母提示及句意，故填compose
2.engaged##ngaged【解析】【详解】考查固定短语句意他正在从事一个大项目根据句意及首字母提示可知，此处使用过去分词构成短语意为“从事”故填engaged,be engagedin,engagedo
3.muscles##uscles【解析】【详解】考查名词句意这样的运动可以锻炼腰部的肌肉根据及首字母提示可知，This exercise名词（肌肉）符合句意，为可数名词，此处用复数形式故填muscle muscles
4.straightforward【解析】【详解】考查形容词句意去这个湖相当简单根据汉语提示及句子结构可知，此处使用形容词作表语故填straightforward,straightforwardo
5.telescope【解析】【详解】考查名词句意太空望远镜拍下了冥王星最清晰的照片“望远镜”是由空格后的telescope,可知，空格处用单数，故填has telescopeo
6.end upwith【解析】【详解】考查动词短语根据句意，此处表示“以・…・・告终”，应用动词短语end upwith,由空前will可知，应用动词原形故填end upwith
7..a straightforwardexplanation【解析】【详解】考查冠词、形容词及名词根据句意，此处表示“一个容易的解释”用不定冠词表示“泛指一个“；用形容词表示“简单明了的”用名词表示“解释”故straightforward,explanation,答案为a straightforwardexplanationo
8.to quest for oil【解析】【详解】考查动词不定式和动词短语根据句意可知缺少“寻找石油”，句子谓语动词是空格areusing,处需要非谓语动词，用动词不定式作目的状语符合题意，“寻找石油”用表示故questfor oil填to questforoil
9.be engaged to【解析】【详解】考查固定短语和时态对比中英文句子可知，空格处意为“与……订婚，是固定短语be engaged和构成一般将来时,因此空格处是故填to,will be engagedto,beengagedto
10.engage ino【解析】【详解】考查时态根据句意，空处应填“从事”，应用固定短语句子描述一般性情况，应用engage in,一般现在时，主语是复数，动词使用原形形式故填They engagein
11.operated
12.millions
13.to reach
14.is believed
15.its
16.extremely
17.which。
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