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Unit5Developing ideas
一、用单词的适当形式完成句子
1.Instead,the pitcherthrew theball rightover thehead of the firstbaseman,beyond the reach all（用适当的词填空）teammates.（用适当的词填空）
2.One USdollar isequivalent aboutsix yuanin RMB.（）（所给词的适当形式填空）
二、完成句子
3.bury in the sandwas anancient village..这么昂贵的跑车大多数人都买不起4Such expensivesports carsare.我意识到这一幕生动地揭示了生活有时是非常残酷的
5.I thescene vividlyrevealed thatsometimes我反思这件事
6.I thething..你不得不这么早离开，真遗憾7______________________________________that youhave toleave soearly..他们正忙着摆货物上架呢8They theshelves withgoods.
三、选用适当的单词或短语补全短文Directions:Complete the following passageby usingthe wordsin thebox.Each wordcan onlybe usedonce.Note that there isone wordmore thanyou need.A.constituents B.ultimately C.exhausts D.economicalAB.conventionalAC.electricity AD.approximately BC.contributes BD.extent CD.substancesABC.generatesDriving anelectric car9to theprotection ofenvironment,or sothe marketingdepartments of theirmakers wouldhave youbelieve.Yet areport whichanalyzes caremissions presentsa ratherdifferentpicture.A battery-powered carrecharged with10generated by coal-fired powerstations,it found,is likelyto bemore harmful.It couldcausemore thanthree timesas manydeaths frompollution asa11petrol-driven vehicle.The studywas carried件田out bythe Universityof Minnesota.The researchersestimated howlevels offine particulatematter颗粒物）一and ground-level ozonetwo important12of airpollution-would changewhen acar ispoweredby differentways.It wasno surprisethat electric cars whosebatteries were recharged withpower fromwind,solar orhydro-electric sourcescame outto bevirtually freefrom harmful
13.They wereestimated tocause231deaths overthe courseof ayear,compared with878for petrolcars.Electric carsrecharged withpower fromnatural gas-fired stationswere alsoa lotless harmfulthanpetrol-driven ones,with439deaths.But ifthose sameelectric carswererecharged14bycoal,theywould beresponsible forover3,000deaths.Biofuels alsocaused morehealth problemsthan petrol.But diesel,which often15concern aboutpollution,is slightlycleaner than petrol.This isbecause the study assumesfor allcarsthat emission-control technologieswill bemore widelyused,especially particulatefilters whichhavea remarkableeffect oncleaning diesel16,Diesel carsarealso more17of fuelthanpetrol-driven ones.Overall,thestudyshows thatelectric carsare cleanerthan thosetraditional vehiclesonly ifthepower usedto chargethen is also clean.That ishardly asurprise,but the18of thedifference is.How greenelectric carsreally are,then,will dependmainlyon wherethey aredriven.In France,which obtainsmore thanhalf ofits powerfrom nuclearstation,electriccarslook likea goodbet.In Chinaand someother developingcountries,where alargeamount ofelectricity isproduced fromcoal,they maynot beso environment-friendly asthey aremarketed.
四、阅读理解About97%of the worlds wateris saltyand isfound in our oceans and seas.But,as wecant drinksea water,how canit beimportantEvery part of ourseas andoceans containsan amazingnumber of animals and fish thatlive atdifferentocean depths.Most of the differentspecies ofanimals and fish dependon simpleplants fortheir（海藻）food.These simpleplants calledalgae driftnear thesurface ofthe oceanand usesunlight toturncarbon dioxideand waterinto foodand oxygen.In fact,algae produceover halfoftheoxygen peoplebreathe.How importantsea wateris!Each plantor animalinourseas andoceans isan importantlink ina foodchain.The algaeare eateninlarge amountsby microscopicanimals,which arein turnconsumed bydelicately（微妙地）larger animals.These foodchains arebalanced.The badnews aboutthe foodchains in the oceans is that they areunder threatbecause ofman.People oncethought thatthe oceanswere sobig thatit didntmatter ifwe dumpedrubbish into them orcaught huge quantities of fish and whales for food.But wenow knowthis isnot trueandfish stocks inthe oceans have started to drop.Thankfully,theworldis takingsteps to protect thefuture ofour oceansby introducinginternationalagreements to protect marinehabitats.Most countrieshave introducedfishingrestrictions（限制）to protectfishstocks in the oceansandnew techniquesare beingpioneeredto copewith pollution.Finally,the importanceof protectingoceansisbeing made known to morepeople.This isjust thebeginning ofa longprocess toprotect theoceans forour future.We dependonthe oceansfor fishwhich arean importantpartofthe humandiet.How importantseawateris!
19.People usedto thinkthattherubbish throwninto thesea.A.wouldnt harmthe fishinthesea B.wouldnt changethe balanceofthefoodC.wouldnt bebroken downinthesea D.wouldnt domuch harmtothesea
20.From thepassage,we learnthat.A.most fishand seaanimals liveatthesurface ofthe seasB.it isvery difficultto breakthe balanceofafood chainC.over fishinghas causedthe decreasein fishstockD.it wontbe longbefore theproblems concerningoceans willbe solved
21.Which ofthefollowingis NOTa waybeing usedtoprotect oceansA.The useof internationalagreements B.Forbidding fishingtoprotectfish stocksC.The useof newtechniques D.Raising peoplesawareness ofthe needtoprotectoceans参考答案:
3.Buried【解析】【详解】考查非谓语句意埋在沙子里的是一个古老的村庄分析句子的结构可知，在此是一buried个分词化的形容词，做句子的表语，表语提前时，句子要采用完全倒装的结构故填Buried
4.beyond thereach of most people【解析】【详解】考查固定短语…力所不能及，大多数人是所以beyond thereach ofmost people,beyond thereach表示“大多数人都买不起”,这里是介词短语作表语故填ofmostpeople beyondthereachof mostpeopleo
5.realized thatlife wasvery cruel【解析】【详解】考查动词，名词，副词，形容词，连词，时态和主谓一致表示“意识到应用动词；表realize示“生活”应用名词；表示“非常”应用副词；表示“残酷的”应用形容词根据life verycruel句子结构和意思可知，在“意识到”后面要用宾语从句，从句结构基本成分完整，所以使用只起连接作用、无实意的引导；根据后面动词可知，这句话是表示过去的事情,所以that“revealed”谓语要用一般过去式故填realized thatlife wasvery cruelo
6.reflected on【解析】【详解】考查动词短语根据原句可知陈述过去的事实，要用一般过去时；表达反思，英语用；reflect on故空格处填reflected ono
7.It isa pity【解析】【详解】考查作形式主语表达真遗憾，英语用…；本句表达现在的情况，要用一般It It isa pity that现在时故填Itisapity
8..were busystacking【解析】【详解】考查时态和短语根据中英文提示，空格处缺少谓语部分“正忙于摆“，（于be busydoing sth.ft做某事），根据句意，描述过去某一段时间正在进行的动作，用过去进行时，主语是复They数，用动词（使码放在）用动名词形式作宾语，故填were doing,stack,
①②③were busystacking
9.BC
10.AC
11.AB
12.A
13.CD
14.B
15.ABC
16.C
17.D
9.D
10.C
11.B【解析】【分析】本文是一篇说明文文章介绍了海洋以及海水对人类的重要性，同时也描述了海洋的现状以及人们为了保护海洋所做的努力细节理解题根据第四段中的“People oncethought thattheoceanswere sobig thatit didntmatter if（人彳门曾经认we dumpedrubbish intothem orcaughthugequantitiesoffishandwhalesforfood.为海洋是如此之大，假如我们将垃圾倒进去或者捕大量的鱼和鲸去获取食物，不会影响什么广可知人们以前认为将垃圾倒进海洋对海洋无害故选项D细节理解题根据文章第四段最后一句But wenow knowthis isnot trueandfishstocksintheoceans（但是我们现在知道这不是真的，海洋中的鱼群开始下降了）”可知，过度havestartedtodrop.捕捞导致鱼类资减少故选C细节理解题根据文章最后一段内容（介绍国际公约）；“introducing internationalagreements”“new（新技术）；（让更多的人了解）可知、、techniques beingmadeknowntomorepeople AC D三项都是本文所讲述的保护海洋的方法而项“禁止捕鱼以保护鱼类资”没有提及故选BBo。
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