初中英语八年级上册单元话题知识点

仁爱英语单元话题知识点精编(八年级上)Unit1PlayingSportsTopic1 I’mgoingtoplaybasketball.SectionA1a1.Ioftensawyouplaybasketballduringthesummerholiday. 1/see…do&see…doing 前者意为“看见…做某事”,而未指定具体哪一次。后者意为“看见…正在做某事”,特指某一次。 eg.Wesometimesseethemswimintherivernearhere.有时我们看见他们在附近的那条河里游泳。 Mr.Chensawhissonswimmingaloneintheriverjustnow. 刚才陈先生看见他儿子一个人在河里游泳。 2/during介词，意为“在…期间” eg.Whatdidyoudoduringyourtrip?旅行期间你干嘛了？2.Youknow,wearegoingtohaveabasketballgameagainstClassThreeonSunday. against介词，意为“反对，对立” eg.Look!Heisstandingagainstthewall.看！他正靠墙站着。 Weareagainstbuildinganewzoo.我们反对建一个新动物园。3.Wouldyouliketocomeandcheeruson? cheeron意为“鼓劲，加油” eg.Shewillbeinthe100-meterrace.Let’scheerheron,OK? 她要参加百米赛跑了，让我们给她加油，好吗？1cMichaeldoesn’tlikeplayingbasketball,buthehastopracticeeveryday. practice意为“练习”，practicedoing意为“练习做…” eg.TomoftenpracticesspeakingChineseinpublic.汤姆经常当众练习讲汉语。1dBothofthemhopetheirteamwillwin. both意为“两者都…”,用作主语时谓语动词要采用复数格式。 eg.Bothofhisparentsaredoctors.他的父母都是医生。2Whichsportdoyouprefer,swimmingorrowing? prefer意为“（二者相比）更喜欢”,prefer…to…是常见的搭配，意为“与…相比较更加喜欢…” eg.IpreferChineseteatocoffee.同咖啡相比我更加喜欢中式茶饮。 Wepreferstayingathometodoingsomeshoppingonweekdays. 周末相比购物我们更加喜欢待在家里。SectionB1a1.He’s2.26mterestall.HeplayedfortheHoustonRocketsintheNBA. 1/He’s2.26mterestall.→Howtallishe? 2/playfor效力于、为…效力2.Whatareyougoingtobewhenyougrowup? growup意为“成长、长大”1cbutsheisgoingtobe_____inthefuture. inthefuture意为“在将来、在未来” eg.Whatwillourearthbelikeinthefuture?将来我们的地球会什么样呢？SectionC1a1.Shespendshalfanhourexercisinginthegymeveryday. spend意为“花费”（时间或钱），常见句式为spend…on…和spend…（in）doing… eg.Youspenttoomuchmoneyonclothes.你在穿戴上花费了太多的钱。 Weshouldspendmoretime(in)helpingtheold.我们应该多花些时间帮助老年人。2.Sheisalsogoodatjumping. begoodat=dowellin意为“出色、擅长” eg.Myfatherisgoodatcatchingfish.=Myfatherdoeswellincatchingfish.我爸爸擅长捕鱼。3.Thereisgoingtobeaschoolsportsmeetnextweekend. Therebe句型的一般将来时态往往采用Therewillbe…或Thereis/aregoingtobe… eg.Therewillbeawonderfulmovienextweek.下周将有一部精彩的电影。 Therearegoingtobemanyvisitorshereinthefuture.这里将来会有很多参观者的。4.Sheisgoingtotakepartyinthehighjumpandthelongjump. takepartin与join都有“参加”之意，区别如下： 1/HejoinedthePartythreeyearsago.他三年前入党。（组织、党派或社团） Wearegoingtoplanttreesthisafternoon.Willyoujoinus? 我们下午要去植树，你想跟我们一道去吗？（意为“同…一起”） 而joinin往往指参加某项活动 eg.Wejoinedinthebasketballgame,butwelostit.我们参加了篮球赛，但是输掉了。 2/TomisgoingtohaveabirthdaypartyathishomethisSunday?Willyoutakepartinit? 汤姆这周日要在家开生日聚会，你要参加吗？（活动）5.Theyaresurethattheywillwin. besurethat+句子，意为“确定，肯定” eg.I’mquitesurethathecangettoschoolontime.我十分确定他会准时到校。1dIsitgoodforyourhealth? begoodfor对…有好处、有益 eg.Fruitsandvegetablesaregoodforus.水果和蔬菜对我们有益。2a1/Becauseitmakeshimstrongandit’spopularallovertheworld. allovertheworld全世界 eg.Wehavefriendsallovertheworld.我们的朋友遍天下。2/keepfit与keephealthy都指保持健康，但keepfit强调通过运动锻炼而获得健康。SectionD1aTheyareleavingforJapanthedayaftertomorrow… 此句使用现在进行时态表达将来。leavefor意为“动身去某地”。 eg.Weleftfornextvillageafterashortrest.休息一小会儿后，我们动身前往下一个村落。1b.It’sapitythattheyaregoingto… It’sapitythat+句子,意为“很遗憾…” eg.It’sapitythatyoumissedthebeginningofthemovie.很遗憾你错过了电影的开头。Topic2 Weshouldlearnteamwork.SectionA1a1.Butoneofmyteammatesfellill. fallill=beill生病，病倒2.Wouldyoumindteachingme? mind（动）介意、在乎；（名）思想、想法。用作动词时后面常常接名词、代词、doing或句子来做宾语。 eg.Doyoumindonions?你介意洋葱吗？ Wouldyoumindwakingmeupearly?你介意早点叫醒我吗？ Doyoumindnotthrowingbottlesaround?你介意不要乱丢瓶子吗？ Shedoesn’tmindwhenthemeetingwillbeover.她并不介意会议何时结束。3.Keeptrying. keepdoing坚持做…、不断做…1c.give…ahand帮助… eg.Themathproblemistoodifficult.Couldyoupleasegivemeahand?SectionB1a1.Don’tshoutatmelikethat. shoutat朝…喊叫 eg.Youshouldn’tshoutatyourparents.你不该朝你父母喊叫。2.Michaeldoesn’tdowellinsoccerbuthedidhisbest. doonebest=tryone’sbest尽某人最大努力 eg.Wedidn’twinthegame,thoughwedidourbest.我们输掉了比赛，尽管我们尽了最大的努力。3.…don’tbeangrywitheachother, beangrywith生某人的气4.IamsorryforwhatIsaid. besorryfor为…而遗憾、感到抱歉 eg.Wewereverysorryfortheresult.我们为这结果而抱歉。5.Youaresuretohavemoresun. 1/besuretodo一定会…、肯定会… eg.Youaresuretopassthetest.你们一定会通过考试的。 2/besureof/about确信或对某事有把握 eg.I’mquitesureabouttheanswer.对于这个答案我很有把握。SectionC1a1.invent(动)发明、创造；inventor(名)发明家；invention(名)发明、创造2.BasketballisoneofthemostpopularsportsintheUnited… popular流行的、受欢迎的，themostpopular是popular的最高级形式，意为“最流行的、最受欢迎的”， 注意：最高级形式前要使用定冠词the。3.Atfirst,itwasanindoorgamesothatstudentscouldplayinbadweather. 1/atfirst意为“起初、一开始的时候” eg.Atfirst,IcouldspeakonlyalittleEnglish.起初我只会讲一点儿英语。 2/sothat意为“目的是…、为了…”，用于引导目的状语从句，后句中常常使用may或can。 eg.Wegotupearlyinthemorningsothatwecouldseethesunrise. 早上我们起床很早，为的是能看到日出。4.In1946theNationalBasketballAssociation(NBA)cameintobeing. comeintobeing形成、产生5.…andstoptheotherteamfromdoingso. stop…fromdoing意为“阻止…做某事” eg.Thebadweatherstoppedusfromplayingbasketball.6.Butyoumustfollowtherules. followtherules=obeytherules遵守规则（章）7.Butitismoreimportantforyouandotherplayerstoplayasateam. moreimportant是important的比较级形式，意为“更重要的”2Alargenumberofpeopleenjoyedbasketball. anumberof许多、大量的，用于可数名词复数格式前 eg.Therealwaysareanumberofpeopledancinginthecenterofthesquare.SectionD1a…andtheyturnedmostoftheirmainplayersintofamouspersons. turn…into…变…成 eg.Youhavetostopandhavearest,iryoumayturnintoamachine. 你得停下来歇一歇了，不然会变成一台机器的。Topic3 Theschoolsportsmeetiscoming.SectionA1a1.I’llbeinthelongjumpandthehighjump. bein=joinin/takepartin参加（活动）2.Ibelieveyouwillwin.我相信你会获胜的。 believe,think等词后接句子时，常见后句否定前移的情况。 eg.Ithinkyouareright. → Idon’tthinkyouareright. 我认为你不对 Theybelievetheycanfly. → Idon’tbelievetheycanfly. 我相信他们不会飞。2aIt’smyfirsttimetotakepartinthehighjump. It’sone’sfirsttimetodo…某人初次做某事 eg.It’sherfirsttimetoswimalone.这是她初次一个人游泳。SectionB1a1.Hello,isMichaelin? bein在家2.Let’smakeithalfpastsix. 让我们将时间定在6:30. 此句为约定时间的用语。SectionC1a1.Therearefiverings,andtheystandforthefivepartsoftheworld. standfor代表、象征2.Youcanfindatleastoneofthesecolorsintheflagofeachcountryintheworld. atleast至少 eg.Youshoulddrinkattwoglassesofwatereveryafternoon.3.Theyarebothheldeveryfouryears.他们（冬夏季奥运会）每四年（被）举办一次。 areheld构成被动语态，即be+动词过去分词 eg.Theclassroomiscleanedeveryday.教室每天被打扫。4.Nowadays,theOlympicGamesareheldbydifferentcitiesinturn. inturn轮流、按次序 eg.TheywenttotheOldPeople’sHomeinturn.他们轮流去了敬老院。5.TheOlympicGamesarebecomingmoreandmorepopular. moreandmorepopular越来越流行、受欢迎 eg.moreandmoreimportant越来越重要 moreandmorebeautiful越来越漂亮5.Inthefuture,morecitieswillhavethechancetoholdthe… have…chancetodo有机会做某事 eg.IhopeIcanhaveachancetovisitShanghaiDisneyland.SectionD1.…Michaelranveryfastandourclasswonfirstplace winfirstplace赢得第一(考试或比赛获得名次时序数词前不适用不使用the)2.IwilldomoreexerciseeverydayandIhopesomedayI’llbeabletotakepartintheOlympicGames. 1/doexercise锻炼、做运动 2/beableto与can beableto意为“有能力、能够”，相比can预期更强烈，可用于各种时态。 eg,WereyouabletowritepoemsinEnglish?你能用英语写诗吗？ can表示”能、可能”,只有can和could两种形式 eg.CanyouspeakRussian?你会讲俄语吗？ Itcouldn’tbeJim.HemovedtoChicagolastmonth.那不可能是吉姆，他上月搬到芝加哥去了。Unit2KeepinghealthyTopic1 YoushouldseeadentistSectionA1a1.Youdon’tlookwell. well（形）（身体状况）好的 lookwell系表结构2.Ihaveatoothache. 类似表达方式还有： haveacold haveafever haveacough haveaheadache haveabackache haveastomachache 3.I’msorrytohearthat. besorrytodo为做某事而遗憾、抱歉 eg.Weweresorrytokeepyouwaitingforalongtime.很抱歉让你久等了。4.Ihopeyou’llgetwellsoon. 系表结构getwell，意为“好起来、康复”21.stayinbedandhaveagoodsleep. stayinbed卧床 haveagoodsleep好好睡一觉SectionB1a1.Howlonghaveyoubeenlikethis?你这样多久了？ eg.havebeen现在完成时态2.You’dbettertakesomemedicine. takemedicine意为“服药、吃药” eg.Youshouldtakethemedicinethreetimesaday.1cBrucehasbeenillfortwoday. hasbeen现在完成时态21.Icoughdayandnight. dayandnight日日夜夜 alldayandallnight正式日整夜2.Idon’tfeellikeeating. feellikedoing想做某事 Idon’tfeellikeeatingoutalone我不想一个人到外面吃饭。3Liedownandrest liedown躺下SectionC1a1.GuesswhathappenedtoMichael. happento发生 eg.Aterribletrafficaccidenthappenedtohimlastweek. 上周他出了一起可怕的交通事故。 Anearthquakehappenedtothiscitythreeyearsago. 三年前这座城市发生了地震。2.MariaflewherkitewhileMichaelplayedonhisskateboard. while与此同时、当…时 eg.IamwatchingTVwhilemysisterislisteningtomusic.当我妹妹听音乐时我在看电视。1dTakecarefyourself. takecareof=lookafter照顾、照料31.SoI’dliketoaskforoneweek’sleave. askforaleave请假 eg.I'mafraidIhaveto

ask

for

a

leave

todayasmydaughteris

sick.恐怕今天我得请假了,我女儿生病了。2.IhopeIcangetwellandreturntoschoolsoon. returnto返回SectionD11.ButI’mworriedaboutmylessons. beworriedabout=worryabout担心… worried（形）担心的；worry（动）担心2.Wecanhelpyouwithyourstudy. help…with…在某方面帮助… eg.SheoftenhelpsuswithourChinese.她常常在汉语方面帮助我们。3.Followthedoctor’sadvice. follow/takeadvice采纳、听从建议(劝告) Youcanpassthetestifyoutakeouradvice.如果你听从我们的建议就能通过考试。Topic2 YoushouldseeadentistSectionA1aStayinguplateisbadforyourhealth.熬夜太晚对你的健康有害。 本句用现在分词做主语 eg.Playinginthestreetisverydangerous.在街道上玩耍很危险。2domorningexercises做早操SectionB1aImustaskhimtogiveupsmoking. giveup放弃 eg.Shouldwegiveupplayingcomputergames?我们应该放弃玩儿电脑游戏吗？2aGoingtoschoolwithoutbreakfastisbadforyourhealth. without（介）不、没有 eg.Icanrideabikewithoutfeet.我不用脚能骑自行车。 Shecanswimacrosstheriverwithoutanyhelp.她不用帮忙能游过这条河。2bHuFeistudieslateinthenight. inthenight=atnight在夜里SectionC1a1.tomato→tomatoes2.Mothersalwaystelltheirchildrenwhattheyshouldeat. whattheyshouldeat用作tell的宾语，整句构成了主从关系的宾语从句。3.Becarefulnottoeattoomuchsaltorsugar. becarefultodo做某事当心、小心 eg.Youshouldbecarefultobehaveatadinnertableinthewest.在西方餐桌上你举止应该小心。4.Milkisahealthydrink…alwaysforcedhertodrinkit. forcesb.todo强迫某人做某事 eg.Youshouldn’tforceustowearschooluniformstoschooleveryday. 你不应该强迫我们每天穿校服去学校。5.Once,cabbage….AssoonasMichaelsawit,hegotmad. assoonas一…就… eg.IwillgivehimtheletterassoonasImeetTomatthemeeting. 会议上我一见到Michael就给他这封信。6.Buthismothermadehimtasteit. make…do让…做…（这里make属于使役动词） eg.Shealwaysmakesherbrothercry,butthistimeherbrothermadehercry. 她总是把他的弟弟弄哭，可这次她弟弟把她弄哭了。7.Hewassurprisedtofindthatitwasdelicious. surprised(惊讶的、惊奇的)，besurprisedtodo因做某事而感到惊讶（奇） eg.Wewereverysurprisedtohearthenews.听到这消息我们很惊讶。 Hewassurprisedtoseethecolorfulfishesunderthesea. 在海水下面看见这些五彩缤纷的鱼他惊讶不已。1cBychanceMichaelfoundthatcabbagewasgood. bychance偶然间、意外地SectionD21.Infact,smokingisreallyunhealthy. infact事实上，实际（插入语用法） eg.Youdidn’tpassthetest,Infact,youspenttoomuchtimeplayingcomputergames. 你没通过考试，事实上，你玩儿电脑游戏化了太多的时间。2.Thesmokefromcigarettesharmsnotonlysmokersbutotherpeople. not…but…=notonly…nutalso…不但…而且… eg.NotonlyyoubutalsoyoursisterlikesChinesesilk. 不但是你还有你妹妹都喜欢中国的丝绸。（动词就近） WevisitednotonlytheGreatWallbutalsotheSummerPalace. 我们不光参观了长城，而且也游览了颐和园3.Theymustgiveupsmokingassonaspossible. as…aspossible尽可能… eg.Youshouldgetupasearlyaspossible.你应该尽可能早起。 Weshoulddoourhomeworkascarefullyaspossible.我们应该尽可能认真地做作业。Topic3 Mustweexercisetopreventtheflu?SectionA1a1.Sure,goahead.当然，请吧。2.…weshouldexerciseoftentobuildusup. buildup增强体质、强身健体3.Finally,weshouldkeepawayfromcrowdedplaces. keepawayfrom远离… eg.Teenagersshouldkeepawayfromdrugs.青少年应远离毒品。4.Mustwegotoseeadoctoratoncewhenwehavetheflu? 注意：用must构成一般疑问句提问时，肯定回答要使用must，而否定回答应使用needn’t或don’thaveto。 eg.A:Mustwecleanourclassroomeveryday? B:Yes,youmust./No,youneedn’t/No,youdon’thaveto.SectionB1a1.OK.I’llringhimuplater. ringsb.up给…打电话=callsb.up2...canIleaveamessage? leaveamessage留言、留口信、留字条 givesb.amessage给某人少口信 takeamessage传口信1cKangkang’sfatherwillgiveatalkat3:00p.m.today. giveatalk作报告SectionC1a1.It’snecessaryforyoutolearnaboutfirstaid. It’s+adj.(+for)+sb.todo eg.It’simportantforustolearnEnglishatschool.对于我们来讲在学校学习英语很重要。2.Ontheotherhand,youmay… 完整句式为Ontheonehand…ontheotherhand…意为“一方面…另一方面…” eg.Ontheonehandyoushouldgiveupsmoking,ontheotherhandit’salsonecessaryforyoutoplaysportseveryday.一方面你该戒烟，另一方面对你来讲每天运动也很有必要。3.Youshouldsaynotosmokinganddrinking. saynoto对…说不、拒绝 eg.Tomcan’tsaynotoChocolates.汤姆拒绝不了巧克力。2Inordertokeephealthy… inorderto…为了、以便于、目的是（否定格式为inordernotto），意思相当于sothat，注意二者区别 Theygotupearlysothattheycouldcatchthefirstus.（目的状语从句） Theygetupearlyinordertocatchthefirstbus.=Inordertocatchthefirstbus,theygotupearly.（简单句） 为了能赶上第一班车，他们早早起了床。SectionD1a1.Themoreexercise,thebetter. The比较级…the比较级…是比较级的一种用法，译作“越…就越…” eg.Themorehegets,themorehewants.他得到的越多，想要的就越多。 Thehigherthegroundis,thethinnertheairwillbe.地面越高，空气就越稀薄。2.It’simportanttowarmupbeforeyouexercise. warmup预热、热身3.…thenyourexercisewillbefuninsteadofwork. insteadof代替、而不是 eg.Thenewnursewilltakecareofthepatientinsteadofmytoday.新来的护士今天替我照顾病人。 I’lltaketheyellowdressinsteadoftheblueone.我要买那件黄色的裙子而不是那件蓝色的。Unit3OurHobbiesTopic1 What’syourhobby?SectionA1aWhatdoyouoftendoinyourfreetime? inone’sfreetime在某人业余时间、在某人闲暇的时间21.I’minterestedin_____. beinterestedin对…感兴趣 eg.AreyouinterestedintheGreatWall?你对长城感兴趣吗？2.Iamfondof_____. befondof喜爱、喜欢 eg.Tomisveryfondofdiving.汤姆很喜欢潜水。SectionB1aIusedtocollectbaseballcards. usedtodo过去总做某事、从前一直做某事；否定didn’tusetodo，疑问did…usetodo，也可以分别使用usednottodo和used…todo的方式。 eg.Sheusedtobeahistoryteacher.她从前一直是一位历史老师。 Weusedtowalkalongtheriveraftersupper.我们过去晚饭后总是沿河散步。 Didyouusetowalktoschool?=Usedyoutowalktowalk?以前你总是步行去学校吗？ Brucedidn’tusetogetupearly.=Bruceusednottogetupearly.布鲁斯以前并不总是很早起床。SectionC1a1.Itwaspopularformorethan500years. morethan=over多余、超出2.Itiseasytogetstarted. getstarted开始，上手 eg.OK,everythingisready.Let’sgetstarted.好了，一切就绪，咱们开始吧。3.Youneedthescissorstocutoutthepicturesorstories. cutout剪掉4.Youneedthegluetostickthemtothebackgroundpaper. stickto粘贴到、与…粘贴到一起 SectionD11.Allpetsprovidetheirownerswithloveandcomfortintheirlives. provide…with…=provide…for…向…提供… eg.Theyprovideduswithmilkandbeefatthattime.=Theyprovidedmilkandbeefforusatthattime. 那个时候他们提供给我们牛奶和牛肉。2.HelikeswaterandIoftenhelphimtakeabath. takeabath洗澡Topic2 Whatsweetmusic！SectionA1a1.I’mgoingtoaconcert. gotoaconcert去（听）演唱会2.Whoisgoingtosingattheconcert? ataconcert在演唱会上3.Whereisshegoingtogivetheconcert? giveaconcert举办演唱会4.Whatapity!太遗憾了！多可惜啊！5.IcanlendyousomeCDsof… borrow&lend 二者均有“借”的意思，针对主语来讲borrow意为“借来”，lend意为“借出”；“borrow…from”和“lend…to”属于常见搭配用法。 eg.Youcanborrowthismagazinefromourschoollibrary,butyoucan’tlendittoothers. 你能从我们学校图书馆借到这本杂志，但是你不能借给别人。SectionB21.Theyareverypopularwithyoungpeople. bepopularwith受…的欢迎（喜爱） eg.Thegameisverypopularwiththechildren.这游戏很受孩子们的喜爱。2.Itisapartoftheworkingpeople’ssong. theworkingpeople劳动人民3.…andTengriarefamousfortheirfolksongs. befamousfor以…而闻名 eg.ChinaisfamousfortheGreatWallintheworld.中国以长城闻名于世。SectionC1a1.SoonWolfgangplayedaswellashisbigsister,… as+形容词（副词）+as像…一样… eg.Heisasheavyashisbrother.他和他哥哥一样重。 YoudoyourhomeworkascarefullyasAndy.你做作业同安迪一样认真。2.Helearnedsoquicklythathisfatherwasveryhappy. so…that…如此…以至于…(用于结果状语从句中) eg.Theboxissoheavythatnobodycanliftit.这箱子太重了，以至于没有人能搬起来。 Heransofastthatwecouldn’tcatchupwithhim.他怕的太快了，我们都追不上他。SectionD1aThereareallkindsofmusicintheworld. allkindsof各种各样的 Topic3 Whatwereyoudoingatthistimeyesterday?SectionA1a1.Holdtheline,please.请稍等。 =Holdon,please./Waitamoment,please.2.Janeanswersthetelephone. answerthetelephone接听电话3.Iwastakingashower. takeashower（淋浴）洗澡21.…passthetime打发时间2.…computergamesuntiltheyservedthefood. until用于肯定句中表示“直到…”；用于否定句中表示“直到…才…” eg.Iwaiteduntil11:00lastnight.昨晚我一直等到11点。 Ididn’tgotobeduntil11:00lastnight.我昨晚11点才睡觉。 Theydidn’tleaveuntiltherainstopped.他们直到雨停才走。 SectionB1aIsn’titinteresting?它没意思吗？ 类似这样的句子常用于表达提问人的惊异、赞叹、怀疑或责难等语气，这类句子回答时具有口是心非的特点。 A:Aren’tyou11yearsold?你不是11岁吗？ B:Yes,Iam.不，我是。/No,Iamnot.对，我不是。SectionC1a1.…thelittlegirlcriedinalowvoice. ina…voice用…的声调 eg.Canyouanswermyquestioninahighvoice?你能大声回答我的问题吗/2.Butthelittlegirlwasafraidtogohome… beafraidtodo害怕做… eg.Iamafraidtogooutaloneatnight.我害怕夜里一个人出去。3.Butallthesedisappearedwhentheflameswentout. goout熄灭4.Thenshelitafourthmatch. a+序数词意为“再、又” eg.Thereweretwoboysintheclassroom,thenathirdboycamein. 教室里有两个男孩，然后又进来一个男孩。 Wewouldliketohaveasecondtry.我们想再试一次。5.Hergrandmothersmiledandheldthegirlinherarms. in…arms在怀中21.knockat=knockon2.wakeup醒来SectionD11.Intheearly1800s在十九世纪早期 in(the)1960s=inthe1960’s在二十世纪六十年代2.Atoneo’clock,everyonestoppedworking. stopdoing停止、中断做…；stoptodo停止…,去做… eg.It’stimeforclass.Stoptalking.上课时间到了，别说话了。 Shestoppedtolookatmeinsurprise.她停下来惊奇地看着我。3.By1930… by+时间（点）截止到… eg.Wewillbeabletofinishtheworkby3:00p.m.到下午三点为止我们能完成这项工作。4.…felttootiredtowork. too…to…太…而不… eg.Thequestionistoodifficulttoanswer.这问题太难了回答不了。 Thechairistoosmalltositon.椅子太小没法坐。Unit4OurWorldTopic1 Whichdoyoulikebetter,plantsoranimals?SectionA1aWhatareyouthinkingabout? thinkabout意为“考虑、思考”，与thinkof意思相近。 eg.Iamthinkingofbecomingadoctor.我在考虑做一名医生。 thinkof还表示“想起，想到，对…有想法”，这点与thinkabout不同 eg.Sheoftenthinksofherfriend.她经常想起她的朋友。 Whatdoyouthinkofthemovie?你觉得这部电影怎么样？2aAlltheanimalsarelivinga_____lifeonthefarm. livea…life过着…的生活 eg.Intheend,theylivedahappylifeinthecountryside.最后他们在乡下过着幸福的生活。SectionB1aAsweknow,theyarebothimportanttous. asweknow众所周知SectionC1a1.Rainforestscover6%oftheearth’ssurface. 6%读作sixpercent，百分号读作/pə'sent/2.TheyprovideplacestoliveforthousandsofplantsandanimalsfoundnowhereelseonEarth. provide…for…=provide…with… eg.Theyprovideduswithmilkandbeefatthattime. =Theyprovidedmilkandbeefforusatthattime. 那个时候他们提供给我们牛奶和牛肉。3.Thousandsandthousandsofanimalsliveinforests. thousandsandthousandsof意为“成千上万的”，类似用法还有“hundredsof”(数以百计的),“millionsof”(数以百万计的)4.Theyplayanimportantpartincontrollingtheclimate. playapartin=playarollin意为“在…中起作用”,“在…中扮演角色” eg.Mr.Chenplaysanimportantpartinbuildingthenewschool. 陈先生在新学校的建设中起着重要的作用。5.Butnow,forestsarebecomingsmallerandsmaller. 形容词比较级+形容词比较级或者moreandmore+多音节形容词原级用于表达“越来越…” eg.Theweathergetswarmerandwarmer.天气变得越来越暖和。 Chinaisbecomingmoreandmorebeautiful.中国正变得越来越美丽。SectionD1a1.Theyfeedonbamboo. feedon以…为食2.Nowtheyareindangerbecause… indanger遇到危险3.ChinesetigersliveinthesouthofChina. thesouthofChina=SouthChina