8年级下册 第12讲　Unit 3－Unit 4

八年级下册第12讲Unit3－Unit4Ⅰ.任务型阅读阅读下面材料，从下面所给的A－D四个选项中选择正确的选项(其中一项是多余选项)，将其序号填入1－3题，并完成第4题。A.Avoidbottledwater.B.Lessgas,moremoneyandbetterhealth.C.Ifyoueatmeat,addonemeatlessmealaweek.D.Manyplantsneedlittlewatering.WaystoGoGreenandSaveGreenClimate(气候)changeisinthenews.Itseemslikeeveryone's“goinggreen”.We'regladyouwanttotakeaction,too.Luckily,manyofthestepswecantaketostopclimatechangecanmakeourlivesbetter.Let'sstartnow.Savewatertosavemoney.Takeshortershowerstoreducewateruse.Thiswillloweryourwaterandheatingbillstoo.Plantdrought-tolerant(耐旱的)nativeplantsinyourgarden.1.____Findoutabouttheseplantsinyourarea.Fixalow-flowshower-head.Theydon'tcostmuch,andthewaterandenergysavingscanquicklypaybackyourmoney.DEatsmart.2.____Meatcostsalotatthestoreandit'sevenmoreexpensivewhenyouconsidertherelatedenvironmentalandhealthcosts.Whenspeakingofsomethingtoeat,trylocalproductswheneveryoucan.Purchasingfromlocalfarmerskeepsmoneyinthelocaleconomy.3.____Bringareusablewaterbottlewithyouwhentravelingoratwork.Useawaterfilter(过滤器)tomakedrinkingwaterinsteadofbuyingbottledwater.Notonlyisbottledwaterexpensive,butitcauseslargeamountsofcontainerwaste.CA4.Whatelsedoyouusuallydotostopclimatechange?Why?(About30words)_____________________________________________________________________________________________________________________________________________________________________________________________Iusuallywalktoschoolinsteadoftakingmyfather'scar,becauseithelpsmyfathersavemoneywhileimprovingmyhealthandreducingtheriskofbeingfat.(言之有理，30词左右即可)Ⅱ.词汇运用A．根据下列句子及所给首字母或汉语注释，写出空缺处各单词的正确形式(每空一词)。5.WhetherIwillgothere_________(取决于)ontheweatherconditions.6.Shed________thevaseanditbrokeintopieces.7.S______youhavefinishedyourhomework,howaboutgoingrunning?8.N_______ofuswillbuythisshirt.It'stoosmallforbothofus.9.TheBrownshadapartywiththe___________(邻居)yesterday.depends

ropped

ince

eitherneighbors10.__________(抄袭)others'homeworkisnotallowed.11.Shehadtospendnearlyfourmonthsawayfromhimthatsummer,_______(代替)oftheusualtwo.12.Theweatheratthemomentisnot_________(典型的)forJuly.13.Thecompanyp________long-timeholidaysfortheworkerseveryyear.14.___________(比较)withotherboys,heisveryhardworkingandsensible.Copyinginsteadtypical

rovidesComparedB.用方框中所给词语的适当形式填空，每词限用一次。clear

develop

what

communicate

workout15.__________youlike,youcanalwaysfindaniceplacetotravelinChina.16.Mealtimeisalwaysagreattimeforfamilymembersto_____________witheachother.17.Withthehelpoftheteacher,Tom____________themathsproblemeasily.18.Withthe_____________ofthesilkindustry,moresilkwasproduced.19.__________,themoonplaysanimportantroleintheculturesaroundtheworld.WhatevercommunicateworkedoutdevelopmentClearly

Ⅲ.语法填空阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。Haveyoueverforgottenwhereyoursocksarewhenyouwakeupinthemorning?Canyourememberwhatyou20._____(eat)forlunchaweekago?Youmaythinkthatbeingforgetfulisnotagoodthing,21._____nowyoushouldbethankful.atebutScientistsfromtheUniversityofTorontofoundthatforgettingis

22.__________(actual)akeypartoflearning,The

Independentreported.Forgettingunnecessaryinformationcanhelpour23.________(brain)workbetter.Whatkindofinformationisunnecessary?Scientistssaythatthismayhavesomethingtodo24.______theenvironmentwelivein.actuallybrainswithInanenvironmentthatisalwayschanging,ourbrainsmayrequireus

25._____________(remember)less.Forexample,asupermarketcashiermeetsmanypeopleeverydayandwillprobablyonlyrememberthemfor

26.___shorttime.Butadesignerwhooftenmeetshisorherclientswillrememberthesepeopleformuch27.________(long)．torememberalongerThat'sbecauseourbrainskeepmakingnewneuronsfromstemcells.Thereisaspecialareainourbrainscalledthehippocampus(海