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1、Unit 3 Language in useModule 12 Save our world目录目录语法聚焦0101课堂小测0202语法聚焦语法聚焦语法聚焦语法聚焦构词法构词法把两个或两个以上的词组合在一起或在一个词的基础上进行变化,从而得到一个新词,即为“构词”。在初中阶段,我们主要学习三种构词法：合成法、派生法、转化法。构词法举例合成法：把两个或两个以上独立且语义不同的单词合在一起,构成一个新词,这种构词法叫合成法。常见的合成词有合成名词、合成形容词和合成动词home+work-homeworkhard+working-hardworkingdown+load-download续表派生法：
2、派生法也叫前缀、后缀构词法,即由一个词根加上前缀或后缀构成另一个词的构成方法。1.前缀添加在词根前的构词部分叫前缀,多数情况下它不改变原possible-impossible,happy-unhappy,correct-incorrect,agree-disagree,smoker-nonsmokerbuild-rebuild,use-reuse,cycle-recycle,write-rewriteunderstand-misunderstandwar-antiwar续表词的词性。常见的有以下几种：(1)im-,un-,in-,dis-,non-等,表示否定。(2)re-,表示“重复”。(3
3、)mis-,表示“错误地”。(4)anti-,表示“反对；防止”。(5)inter-,表示“相互；交互；在之间”。national-internationalread-reader,visit-visitor,piano-pianist,suggest-suggestion,develop-developmentcare-careful,use-useless,believe-believableslow-slowlyfour-fourth,fourteen,forty2.后缀添加在词根后的构词部分叫后缀,多数情况下它改变原词的词性。常见的有以下几种：(1)名词后缀：-er,-or,-ist,
4、-tion,-ment等。(2)形容词后缀：-ful,-less,-able等。(3)副词后缀：-ly。(4)数词后缀：-th,-teen,-ty等续表转化法：转化法是指将一种词类转化为另一种词类而词形不变。转化后的意义往往与之前的意义联系密切。常见的有动词转化为名词、名词转化为动词、形容词转化为动词ride v.骑；乘-n.骑马；乘车record n.记录-v.最佳纪录clear adj.(天气)晴朗的-v.(烟雾等)开始消失续表课堂小测课堂小测课堂小测课堂小测一、用所给单词的适当形式填空一、用所给单词的适当形式填空1.Paul always gets up late.It is_(poss
5、ible)to see him here before nine oclock in the morning.2.The little boy was_(happy)because he didnt see his parents at the party.3.Tu Youyou is one of the Nobel Prize _(win)in 2015.Were proud of her.impossibleunhappywinners4.Mr Green is so serious that he always thinks_(careful)before making a decis
6、ion.5.More action must be taken to stop_(pollute).carefullypollution二、找出下列句子的错误,并在横线上进行更正6.Though there have been several unfair trade restrictions(贸易限制),but our telecom（电信）giant Huawei never stops growing._7.If it will keep raining,our crops will get drowned._Though there改为改为There或去掉或去掉butwill keep
7、改为改为keeps8.We know that stamps are made from paper._9.Is there anything which is interesting in our school New Years party?_10.Do you know the girl whos parents work in Los Angeles?_from改为改为ofwhich改为改为thatwhos改为改为whose三、单项填空三、单项填空(语法专练语法专练)()11.I cant believe my own eyes.The magician changes paper _
8、 money.A.on B.from C.out D.into()12.We should _ students from computer games.A.stop;play B.stopped;playing C.stop;playing D.stop;to playDC()13.To make our country more beautiful,rubbish _ into the river.A.neednt be thrown B.mustnt be thrown C.cant throw D.may not throw()14.Drinking too much_ your he
9、alth.A.do harm to B.is harm to C.does harm to D.do harmful toBC()15.Its our duty _ the environment.A.protect B.to protect C.protecting D.of protectingB四、语法选择四、语法选择(核心素养：文化意识核心素养：文化意识)My sister Amy and I always try to stop people dropping cigarette butts(烟蒂)everywhere.We have done this 16 seven years
10、.One day,we were walking in our hometown and saw hundreds of cigarette butts on the ground.They made the town look so dirty 17 we decided to start a group to make people stop dropping cigarette butts.We called it“No Butts About It”At 18,we drew pictures with letters“The earth is not 19 ashtray(烟灰缸)”
11、on them.We put up the pictures in our hometown-in parks,on walls,and along roads.We wanted to make people 20 that dropping butts did harm to the earth.Most smokers dont think that dropping butts 21 the earth.But it does!All rubbish does!Later,we wrote to factories and offices and asked them for mone
12、y 22 ashtrays and gave them to smokers.We wanted smokers to carry the ashtrays with them so they didnt have to drop butts everywhere.Now we are trying to get cigarette companies to put 23 ashtray in each pack of cigarettes.Some companies would do it.Many people have started to join our group since i
13、t began.Today there are 45 other groups of“No Butts About It”in America.And there are also groups in England,Australia and India！Many newspapers 24 about my sister and I over the last seven years.And we have won many prizes for our good work.But we are not 25 in prizes.We just want to make the earth
14、 a better and cleaner place for animals,plants and people.One day it will be.()16.A.since B.until C.for D.after()17.A.as B.that C.because D.if()18.A.once B.first C.the first D.ones()19.A.your B.you C.yours D.yourselfCBBA()20.A.to understand B.understand C.understood D.understanding()21.A.harm B.harmful C.harms D.harmless()22.A.buying B.bought C.to buy D.buys()23.A.an B.a C./D.the()24.A.are writing B.have written C.has written D.are written()25.A.interest B.interests C.interested D.interestingBCCABC课后作业课后作业课后作业课后作业