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Unit2Keeping healthyTopic2I must ask him to give up smoking.01单元时空使发生，引起，导致原
1.cause v.n..疲倦的，疲劳的
1.tired adj因，起因一令人疲倦的tiring adj..废弃物，垃圾乱丢杂物
2.littern v.
3.dustbin n.在T
4.fingernail n.指甲f反义词:with和；跟;与…一起一餐（饭）
5.meal n..积极的，活跃的
3.active adj文章；物品；冠词
6.article n.积极地；活跃地f activelyadv.f activityn.吸烟；冒烟；烟
7.smoke v.n.活动；行动；活跃甚至，即使
8.evenadv.行动；情节f actionn..癌，癌症
9.cancer n,西红柿,番茄
4.tomaton精力，活力，干劲
10.energy n.f复数tomatoes.必需的，必要的
11.necessary adjUnit2重点词汇.病，疾病
5.illness n卷心菜，洋白菜
12.cabbage n.Topic2生病的；坏的f illadj.主食
13.staple n.童年，幼年
6.childhood n.小麦
14.wheat n..盐,食盐
15.salt n儿童f childn.食糖
16.sugar n.儿童（复数）f childrenn.虚弱的，无力的
17.weak adj.感动惊讶的，出人意料的
7.surprised adj.奶油，乳脂
18.cream n..令人惊奇的f surprisingadj强迫，迫使
19.force v..惊喜f surprisen盘子,碟子；一盘
20.plate n..疯的
21.mad adj土豆，马铃薯
8.potato n..尝，品，吃；品味，审美
22.tastev n.f复数potatoes
23.watermelon n.西瓜
9.strawberry n.草莓f复数strawberries三明治（夹心面包片）
25.sandwichn.一反义词健康的healthy adj..牛肉
26.beefn健康f healthn.饼干
27.biscuit n.化学品
11.chemical n.等等，以及其他
28.etc.abbr.化学f chemistryn..淋浴
29.shower n.v可能,能做到
12.possible adj.事实，真相；现实
30.fact n.f反义词.不可能的impossible adj香烟，纸烟
31.cigarette n.危害,伤害,损害
13.harm v.n.
32.body n.身体f harmfuladj.有害的病，疾病
33.disease n.吸烟者
34.smoker n..二手的，旧的
35.second-hand adj危险，风险（使）冒…的
36.risk n.v.风险熬夜到很晚l.stay uplate做早操
2.do morningexercises到处乱扔垃圾
3.throw litteraround在太阳下读书
4.read in the sun在报纸上
5.1nthe newspaper.放弃做某事
6.give updoing sth把某物给某人看
7.show sth.to sb.=show sb.sth.
9.be carefulnot to do sth.迫使某人做某事
10.force sb.to dosth前往某地
11.leave forsp.
13.get/be mad.惊奇于做某事
14.be surprised to dosth事实上
15.in fact.熬夜到很晚对你的健康有害
1.Staying uplate isbad for your health我一定要好好休息
2.1must have a good rest.重点句型你最好不要在太阳下读书
3.Youd betternot readin thesun.我一定让他放弃抽烟
4.1mustask himto give up smoking.他认为抽烟可以帮他放松
5.He thinkssmoking canhelp himrelax..它甚至导致癌症
6.It mayeven causecancer叩我可以借你的报纸给我爸爸看看吗？
7.May Iborrow yournewsp erand showit to my father多么糟糕呀!
8.How terrible!这对你健康有害
9.Its bad foryour health..它会使你一天之间保持活跃
10.It willkeep youactive duringthe day语法情态动词
（二）must,mustnt,may,can・02,考点速记》点】昨晚我看了-1I watcheda soccergame onTV lastnight andwent tobed verylate.场足球比赛，很晚才睡觉辨析】和watch,read,see look主要用于读书、看报等⑴read和有相似之处，用于观看比赛、电视节目、演出、电影等，但主要强调看的结果2see watchsee意为“看，瞧是不及物动词，强调看的动作⑶look【典例】
1.1can manybirds in the tree.
2.Jack likesfootball gamesvery much.
3.1like storybooks.
4.!Lily issinging now.
5.1her cleaningthe classroom.[考点熬夜对你的健康有害I—2]Staying uplate isbadforyourhealth.【详解】
（1）动词短语stay uplate意为“熬夜”动词做主语用动名词形式（-ing形式）或动词不定式（to形式），谓语动词用第三人称单数do（）意为“对…有害:其反义词组为意为“对…有益；对…有好处”2be badfor begood for【典例】
1.swim isa goodsport insummer.
2.smoke isnot goodhealth.吸烟对健康不利【考点】我必须要好好休息dl3I must haveagoodrest.【详解】是情态动词，意为“必须，应该；一定要，后接动词原形表示说话人的意志和义务或表must示说话人强烈的要求和命令【拓展】
（1）must的否定式为mustnot,缩写为mustnt意为“不应该，不准；禁止”等构成疑问句时，只需将置于主语前，在句尾加问号肯定回答一般用否定回答用或must must,neednt donthave to可以用来表示肯定的推测，意为“肯定，一定”，其否定形式为意为“不可能”
（2）must cant【典例】一
1.Must I have suppernow,Mom一No,you.A.mustnt B・cant C.neednt D・shouldnt
2.You crossthe roadon ared light.A.must B.have toC.mustnt D.don9t have to
3.—Lefs goclimbing thisafternoon.一You bejoking!I havea fearof heights!A.can B.may C.must D.should
4.This riveris toodeep.You swimin it.A.mustnt B・may C.neednt D・can【考点不吃早饭去上学4]going to school withoutbreakfast【详解】是介词，意为“没有；缺乏”，后面跟名词/代词/动名词，一起构成介词短语，常用于without句末用作状语【链接】的反义词为意为“有”without with,【典例】A.about;in B,about;with C-with;about D.with;in
1.——Dont worryyourself.Drink somehot teahoney.——Thank you.
2.a glassof waterin hishand,Mike walkedinto hisbedroom.A.By B.For C.With D.FromA.at B.for C.without D.of
3.Breakfast isimportant.So youshouldnt goto schoolit.【考点我必须要求他戒烟--J5]I mustaskhimtogive upsmoking,【详解】（）.意为“放弃做某事接人称代词时将人称代词放在两词中间give updoing sthgiveup【辨析】和都表示“必须；不得不”，但它们之间也有细微差别must have to用以表示说话者命令或期待做成某事，没有时态和词性的变化
（1）must用于他人发出指令或操纵的情况下，侧重指说话人个人的责任或义务，有各种时态和词
（2）have to形的变化【典例】一
1.May Ismoke here一No,you.This isa no-smoking room.A.neednt B.mustnt C.need D.wouldnt
2.It isin thelibrary.You talkloudly.A.may notB.wouldn*t C.needn*t D.mustnt
3.Mike finishthe workat once.He canfinish ittomorrow.A.must B.have toC.shouldn*t D.doesnt haveto【考点6]she hadto drinka glassof milkbecause hermother wasalways watchingher.她不得不喝一杯牛奶，因为她妈妈总是看着她【详解】本句是一个主从复合句，从句是由从属连词引导的表示“原因”的状语从句，它既可以because置于主句之后，也可以置于其前置于主句之前时，常用逗号隔开，表示强调【拓展】与介词连用，意为“因为…”，但是的后面只能接名词、代词或动名词，而不能because ofof接从句【注意】提问时,只能用回答;不能和连用why becausebecause so【典例】
1.1came hereI wantto talkto you.
1.50rry!I amlate thetraffic.
3.John likeskoalas theyare reallycute.A.because B.so C.and D.but一
4.Why doyou wantto join the MusicClub,Dave一Just Iam goodat singing.A.because B.so C.but D.or【考点迈克尔一看到它，就火冒三丈7]As soon as Michaelsaw it,he gotmad.【详解】意为“一…就由引导的时间状语从句的动作一发生,主句的动作马上就1as soon as as soonas发生从句位于主句前后均可如果主句为一般将来时，从句多用一般现在时意为生气”2get mad【典例】
1.The meetingwill startas soonas Mr.Li here.A.arrived B.arrives C.was arrivingD.will arrive
2.The soccerfans cheeredthey heardthe excitingnews.A.even thoughB.in orderthat C.assoonas D.as longas［考点］他惊讶地发现它很好吃LU8He wassurprisedtofind thatit wasdelicious.【详解】be surprisedtodo意为“对・・・感到惊讶/意外”【拓展】为动词，意为“使惊奇;使诧异1surprise2surprise为名词，意为“惊奇；惊讶；to onessurprise意为“令某人惊讶的是・・.”【链接】.意为“对某人/某事感到很惊讶”be surprisedat sb./sth【典例】
1.All thestudents feltwhen theysaw theexcellent scientist.A.surprised B.surprising C.bored D.boring
2.To my,he wasntsad when he lostone ofhis armsinthecar accident.A.surprise B.surprised C.surprising D.surprises
3.Lucy wasso whenshe sawher teacherstanding inher bedroomyesterday.surprise
4.Amy canspeak Englishvery well.But toour surprised,she onlylearned itfor oneyear.
5..They weresurprised seeeach otheragainrAn［考点香烟的I-----19The smokefrom cigarettesharms notonly smokers,but otherpeople.烟雾不仅危害吸烟者，也危害其他人【详解】动词，意为“危害；伤害；损害”；名词，意为“危害；伤害；损害1harm2notonly...butalso意为“不仅・..而且；既...又”，用于连接两个性质相同的词或短语该结构中的有时可以省略also【典例】
1.my friendmy cousinlikes softmusic.They oftenlisten toit.A.Both;and B.Either;or C.Neither;nor D.Not only;but also
2.my dadmy mumcooks breakfastfor me.I alwaysbuy somebread andmilk.A.Either...or...B.Neither...nor...C.Both...and...D.Not only...but also...一
3.Smoking isto everyone,Dad.一Youre right,Mary.I willtry mybest tostop itA.careful B.useful C.harmful D.helpful
4.Dont eattoo manysweets.They areharm to your teeth.[考点他们必须尽快戒烟I-J10]They mustgiveupsmoking assoonas possible,【详解】意为尽量…地,可以与互换使用as...aspossibleas...as onecan【典例】.请尽可能早来.
1.Please comeas as
2.ril come back asas possiblesIll comeback asas.我会尽快回来03/素养提升【考点】情态动词must/mustn^;may;can/could的用法
1.can表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力，此时和均不可代1may must替它如She canswim fast,but Ican5t.她能游得很快,但我不能我用眼睛看I cansee withmy eyes.表示许可，常在口语中如你可以用我的字典2You canuse mydictionary.表示推测，意为“可能汽常用于否定句和疑问句中，此时、译为“不可能九如3can Canthenewsbe这个消息会是真的吗？true的用法
2.could的过去式，意为“能、会”，表示过去的能力1can如他十岁时就会写诗He couldwrite poemswhenhewas
10.在疑问句中，表示委婉的语气，此时没有过去式的意思2could could如…我能用一下你的钢笔吗Could Iuse yourpen可以注意回答…Yes,you can.的用法
3.may表示请求、许可，比正式1can如我可以借你的自行车吗？May Iborrow yourbike现在你可以回家了You maygo homenow.表示推测，谈论可能性，意为“可能，或许、一般用于肯定句中2如明天可能会下雨It mayrain tomorrow.她可能在家呢.She maybe at home.的用法
4.must表示主观看法，意为“必须、一定工lmust如.在我回来之前你必须待在这儿You muststay hereuntil Icomeback我必须现在交作业吗？Must Ihand inmy homeworkright now其否定形式表示一定不要”“千万别”“禁止，不许”2mustnt如你不许玩火You mustntplay withfire.你一定不要迟到You mustntbe late.对引导的疑问句，肯定回答为否定回答为或3must must,neednt don^haveto.如我现在必须完成作业吗？…Must Ifinish myhomework now.不，你不必…No,you neednt表示有把握的推测，用于肯定句4must如:灯亮着，他现在肯定在家The lightis on,so hemust beathomenow.【典例】一
1.Must Igo home一No,you.Enjoy yourselfat thepark!A.neednt B.cant C.mustnt
2.According tothe rule,students taketheir cellphones tothe classroom.A.wouldnt B.neednt C.mustnt
3.—you cometomyparty onSaturday一Im afraidnot.Ihavethe flu.A.Can B.Should C.Must D.Need一
4.Nick,you finishthe workin tenminutes—Yes,I can.A.must B.can C.should D.need一
5.Please bequiet.Our teacheris coming.—It beour teacher.She ishaving animportant meetingnow.A.mustnt B.cant C.must D.need一
6.I alwaysfeel tired.一You domore exerciseto makeyourself stronger.A.should notB.should C.will notD.will
7.—Excuse me,you pleasesay itagain Ididnt hearyou clearly.一Yes,of course.A.could B.should C.need D.must
8.You crossthe roadonared light.A.must B.havetoC.mustnt D.don9t haveto一
9.Must Ifinish ittoday—,You cando ittomorrow.A.No,you don9thaveto B.No,you mustntC.Yes,you can
二、用所给单词的正确形式填空
10.Does Maryhavetostudy hardat English
11.Students donot haveto gotoschoolat weekends.
12.You caninvitation yourgood friendtoyourparty.
13..Everyone mustnot smokeinthelibrary.
14.He cando wellin math.。
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