仁爱版九上U2知识点

Unit2SavingtheearthTopic1Pollutionhascausedtoomanyproblems.一．常用词组1.cutdown砍倒2.pourinto倒入；投入pouraway倒掉3.beharmfulto=doharmto对...有危害4.toomany太多的，修饰可数名词的复数toomuch太多的，修饰不可数名词muchtoo太......，修饰形容词和副词5.haveapaininthe+身体部位....部位疼痛6.inamess乱七八糟；一团糟7.Therebesb./sth.doingsth.有某人或某物正在做某事8.haveapicnic进行一次野餐9.What’sworse更糟的是What’smore而且；更为重要的是10.inagoodmood心情好inabadmood心情差11.can’tbeardoingsth不能容忍做某事12.anyway：作副词，通常用于转换话题，结束谈话或回到原话题意为“无论如何；无论怎样；反正”。13.solvetheproblem解决问题14.bytheway顺便说一下15.writetosb.=writealettertosb.给某人写信16.hadbetter(not)dosth.最好(不)做某事17.carefor关注；关心；照顾18.throwaround乱扔...19.hopetodosth希望做某事hopethat+从句希望.......wishtodosth希望做某事wishsbtodosth希望某人做某事wishthat+从句希望.......20.intoday’sworld在当今世界21.notall不是所有的......22.akindof一种23.godeaf变聋24.loseone’shearing=havehearingloss丧失听力25.quiteafew=many（不少的）许多的，修饰可数名词quitealittle=much许多的，修饰不可数名词26.It’sreportedthat据报道......It’ssaidthat据说......It’sbelievedthat人们相信......It’swell-knownthat众所周知......27.nobetterthan=almostasbad/badlyas同....一样坏；不比......做得好LucydidnobetterthanLilyintheexam.28.65-year-oldpeople65岁的人29.inpublic在公共场所30.trytodosth.尽力做某事trydoingsth.尝试着干某事31.bebadfor对...有害32.notonly...(but)also...不仅......而且33.highbloodpressure高血压34.aswell：也，还，是副词短语，其义为“也”，相当于too，它一般放在句末，有时和连词and或but搭配使用。35.greenerpeople环保主义者36.allsortsof=allkindsof各种各样的37.inmanyways在很多方面38.everywhere=hereandthere到处；处处二．重点句子1.Pollutionhascausedtoomanyproblems.污染引起了太多问题。2.Whatashame!真可耻！3.Theflowersandgrasshavegone.鲜花和绿草都消失了！4.Thereareseveralchemicalfactoriespouringwasterwaterintothestream.有几座化工厂正往小溪里排放废水。5.Peoplewhoworkandliveinnoisyconditionsoftengodeaf.在噪音条件下工作和生活的人经常变聋。6.Recently,itwasreportedthatmanyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.最近，有报道说，美国许多青少年的听力像65岁的老人那样差。7.Itnotonlydisturbsothersbutalsodoesgreatharmtopeople’shearing.它不仅打扰别人，而且对人的听力有极大的危害。8.Withtheincreaseinpopulationandthedevelopmentofindustry,litteriseverywhere.随着人口的增长和工业的发展，到处都是垃圾。9.Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.随着污染的减少，我们的星球环境将变得更好，我们的健康状况也将变得更好。10.Anyway,Ihopethegovernmentwillsolvethisproblemsoon.11.Quiteafewpeoplelivingnearairportsalsohavehearingloss.12.Toomuchnoisecancausehighbloodpressureaswell.13...itcanevencausethemtobecomesickordeaf.14.However,notallpeopleknownoiseisalsoakindofpollutionandisharmfultohumans’health.Topic2Alltheseproblemsareveryserious.一．重点短语1.asaresult结果2.changeinto变成change...into...把...变成...:3.stop...(from)doingsth.阻止某人做某事=prevent...(from)doingsth.=keep...fromdoingsth.4.blowaway吹走washaway冲走5.anumberof许多的；大量的；谓语动词用复数thenumberof......的数量；谓语动词用单数6.comeintobeing:产生；形成7.dieout灭绝；消失8.somethinguseful:一些有用的事，当形容词修饰不定代词时，要放在所修饰词的后面，做后置定语，这就叫做“形容词后置”。9.none:指三者或以上的人或物都不，none常与of连用，后面接不可数名词时，谓语用单数。接名词或代词的复数时，谓语用单复数均可10.hereandthere=everywhere到处；处处11.carefor表示“关心”“爱护”，“照看”“照顾”.12.(1)rise(rose/risen):上升，升高，上涨，指有形的东西,是不及物动词，后面不能加宾语。另外，rise可以表示太阳的升起，比如日出：不仅如此，常用rise表示起立或着起床。13.raise(raised/raised):是及物动词，后面一定要加宾语。raise用作及物动词，其基本含义是“使升起来，举起.raise还可以表示“提起,引起,提高,增加,筹款,召集,养育”。14.worstofall最糟的是15.makerules制定规则breaktherulers违反规定followtherulers=obeytherulers遵守规定16.duringthisperiod在这期间17.takeaway拿走；取走；带走18.takesth.awayfrom/takeawaysth.from把某物从...带走，19.beimportanttosb./sth.对....来说是重要的:20.causecancer致癌21.thegreenhouseeffect温室效应22.plentyof:许多的；大量的.即可修饰可数名词,也可修饰不可数名词.只用于陈述句当中，在疑问句当中一般用enough,在否定句当中一般用many或者much.23.daybyday日复一日；一天比一天地yearbyyear年复一年24.becoveredwith被.....所覆盖25.beshortof....短缺beshortfor......的简称26.usesth.fordoingsth.用.....来做某事27.referto谈及；说起；指的是28.avoiddoingsth.避免去做某事29.passlaws颁布法律30.make(great)progressin(doing)sth.在某方面取得巨大的进步31.ontheearth在地球上32.inthebeginning起初33.walkon步行34.noneof没有一个35.indangerof处在...的危险之中36.needtodosth.需要做某事37.carbondioxide二氧化碳二．重点句子1.Asaresult,alotofrichlandhaschangedintodesert.结果，许多富饶的土地变成了沙漠。2.Treescanstopthewindfromblowingtheearthaway.树可以防止风吹走尘土。3.Theycanalsostopthewaterfromwashingtheearthaway.它们还能够防止土壤被水流带走4.Weshouldn'tleaverubbishhereandthere.我们不应该随处乱扔垃圾。5.Don’tspitanywhereinpublic.不要在公众场合随地吐痰。6.Don’twalkongrassorpickflowers.不要践踏草坪或采摘花朵。7.Everyoneshouldcareforwildanimalsandplantmoretrees.每个人都应该爱护野生动物，种更多的树。8..Weshoulddoeverythingwecantoprotecttheenvironment.我们应该尽一切努力来保护环境。9.ItsaysthatChinahasbecometheworld'slargestproduceranduserofcoal.上面说中国已经成为世界上最大的煤炭生产国和使用国。10.Somethingswehavedoneareverygoodfortheearthwhileothersarebad.我们所做的一些事情对地球有益,然而另一些却对地球有着负面影响。11.Whenitrainsorwhenthewindblows,theearthistakenaway.当刮风下雨的时候，土就被刮走或冲走。12.Whilenearly3/4oftheearthiscoveredwithwater,wearestillshortofdrinkingwater.尽管世界的3/4都是被水覆盖，但是我们仍然缺少饮用水。13.Allovertheworld,peoplehavecutdownmillionsoftrees.14.Noneofuslikespollution.15.Cuttingdowntreesisharmfultohumanbeings,animalsandplants.Topic3Whatcanwedoathometoprotecttheenvironment?一．重点短语1.interviewsb.aboutsth.关于某事采访；访问别人2.workfor为......工作3.encouragesbtodosth鼓励某人做某事4.sothat以便于；以至于；目的是5.failtheexam考试失败；不及格6.nodthehead点头shakethehead摇头7.hurryup赶快；快点8.giveupdoingsth放弃做某事givein投降；屈服；让步giveoff发出；放出(液体、气体、气味)giveout分发；发放9.oughttodosth=shoulddosth应该做某事oughtn’ttodosth=shouldn’tdosth不应该做某事10.shutoff停止；关掉shutofftheelectricity切断电源turnon打