Unit4decrease1)n.theprocessofdecreasing减少；减弱；减轻Therehasbeenasteadydecreaseinthenumberofvisitors.游客的数量持续下降。Vt.Tomakesth.becomeless减少；降低Wehavedecreasedourdemandforpapers.vi.Tobecomeless变少Thenumberofwhaleshasdecreasedsharplythisyear.今年鲸鱼的数量急剧下降。dieout(家族，物种等)灭亡；风俗、做法等(消失)，过时在过去的几十年里，许多动物灭绝了。decade(十年)Manyanimalshavediedoutinthepastdecades.Thefireisdyingdown.Themembersofthefamilyalldiedoff.Thenoiseofthecardiedawayinthedistance.火焰,风暴，疼痛逐渐消失（家族，种族）等相继死去（声音，光线，风等）渐弱，渐熄endangervt.使…遭受危害Smokingendangershealth.indanger处于危险之中Thepatientisindanger.beindangerof有…危险beoutofdanger脱离危险endangeredadj.濒危的dangerous危险的reliefn.afeelingofhappinessthatsth.unpleasanthasnothappenedorhasended轻松感，欣慰感2.turnround:转过去，围绕…旋转Theearthturnsaroundthesun.turnon/off打开/关掉turnup/down开大/减弱turnto向…求助turnagainst反对turnout关闭，生产turnover翻转，考虑turnaway解雇turnback折回8.suggeststh/doingsth.提议,建议Ionlysuggesttheplan.Youdecide.Isuggesttakingpartinthesingingcompetition.他的秘书建议我们下周再来。Hissecretarysuggestedthat___________________________________we(should)comenextMonday.suggest(that)sb(should)do/be(虚拟语气)suggest还可作“表明，说明，暗示”解。陈述语气Herexpressionsuggestedthatshewasangry.Hecametomyclasseveryweek,buthisattitudesuggestedhe______notreallyinterestedintheclass.A.isB.beC.wasD.wereCthickadj.thickblackhairathickforestathickdoorthicksmokeathickrope浓密的头发茂密的森林厚重的门浓烟粗绳9TheknifecanprotectyoufromarobberThefurcanprotecttheantelopesagainstthecold.protectsbfromsth/sb.保护……免受……protectsbagainststh防御……Eg.Heiswearingsunglassestoprotecthiseyesfromthestrongsunlight他戴着太阳镜以遮挡强烈的阳光keepsbfromdoingsthstopsbfromdoingsth阻止某人干某事preventsbfromdoingsthTheschoolstoppedthestudentsfromplayingcomputergames10Itcontainsapowerfuldrugwhichaffectsmosquitoes．它含有一种强效的药物可以防止蚊虫叮咬。careful/carelessfearful/fearlesshelpful/helplesshopeful/hopelessuseful/useless11.containv.n.containerThenewtextbookcontains10units,includingtwomainlyrevisions.Hewassoexcitedthathecouldhardlycontainhimself.Theroomisnotbigenoughtocontainsomanypeople.包含；含有控制；容忍容纳12.affectv.Thechangeinclimatemayaffectyourhealth.Cancerhasaffectedhislungs.Iwasdeeplyaffectedbythefilm.影响感染感动13.effectn.haveaeffecton对...有影响Thefilmhadagreateffectonhim.v.Theyeffectedtheirescapedinthemiddleofthenight.affect（v．）:haveaneffecton影响。突然的天气变化可能影响你的健康。他的意见不会影响我的决定。effect（n．）效应；结果；后果。这药有什么疗效吗？这个影片对她影响很大。AsuddenchangeinweathermayaffectyourhealthHisopinionwillnotaffectmydecision．Didthemedicinehaveanyeffect?Thefilmhadquiteaneffectonher．Norainforest,noanimalsandnodrugs.没有雨林就没有动物，也就没有药物。no…no…没有……就不……；不……便无……；不……不……Nofire,nosmoke.Nopains,nogains.Nosong,nosupper.无火不冒烟。/事出有因。不劳无获。不唱歌，没晚饭。/不干活，没饭吃。/不劳动，不得食。(Thereare)Noanimalsandnodrugswithoutrainforest.payattentiontobeusedtolookforwardtodevoteoneselftogetdowntoturntoleadtorefertostickto注意习惯于盼望投身于；致力于认真对付，处理求助于导致涉及；提到坚持1.Getting___intheforestisverydangerous.A.losingB.lostC.tolostD.beinglost2.Youwillget___ifyoustandunderthesunforalongtime.A.burningBburnC.burntD.toburn3.Heishunting___hislostwatchhereandthere.A.toB.atC.forD.out4.Itwillbe___wonderfulworldifallnationslivein___peacewitheachother.A.aaB.thetheC.atheD.a/5.IhearTimoncewas___oflosinghislife,butnowheis___.A.indanger,outofdangerB.inthedanger,outofthedangerC.indanger,outofdangerD.inthedanger,outofthedanger6.Thepoorfamiliescanapply__thegovernment__financial(财政的)help.A.fortoB.totoC.forforD.tofor7.Theyoungladydecidetoapply___thenewpositionintheoffice.A.toB.withC.forD.inThankyou
