广州版初一英语unit4知识点

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1、ReadingA1.expensiveadj.昂贵的同义词:dear反义词：cheapThecarisveryexpensive.Ican’tbuyit.2.WhenIwasyoung,Ididnotusetohavemuchmoney.★usedtodosth过去常常做某事didnotusetodosthusedtodosth的否定形式eg.Iusedtogetuoat7:00,butnowIgetupat6:30.3.Therearebillionsofstarsinthesky---butyoucanonlyseeabo

2、ut3000withyourowneyes.★billionsof数以亿计的类似的结构还有：hundredsof数以百计的；thousandsof数以千计的；millionsof数以百万计的。★with用，以Eg.Cleanitwithwater.用水洗。4.However,youcanseeitmovefromonegrouptoanother.★seesb/sthdosth看见某人或某物做过某事seesb/sthdoingsth看见某人或某物正在做某事eg.Isawhimcomeintothatroom.Jacksawan

3、oldmanfishingwhenhewentbytheriver.★however但是，仍然，无论如何however与but都表示转折。However更正式，它可以放在句首、句中或者句末，前后用逗号隔开；but则只能放在句首或者句中。Iwouldliketogo,however,IthinkI’dbetternot.Thisisgood,butthatoneisbetter.★another另一个，不特指具体哪一个。Idon’tlikethisone,showmeanother.巩固练习：一、单词辨音，指出划线部分发音与其它

4、不同的选项1.A.ableB.planetC.shapeD.grade2.A.moveB.mostC.holdD.moment3.A.groupB.throughC.oughtD.soup4.A.exceptB.expensiveC.excuseD.exercise5.A.evenB.sizeC.ableD.like二、翻译下面的短语1.…的开始______________2.走在前面____________3.数以亿计的星星_______________4.用你自己的眼睛_________________5.大小相同____

5、__________6.从一组到另一组_________7.能够_______________8.在天空中______________9.研究星星_____________10.…的形状_______________11.一生，终生______________12.一本关于星星的书__________________13.越来越多_____________14.Notallthestarsarethesame_________________________15.Itisnotastarbutaplanet__________

6、______________________16.Itcanmovefromonegrouptoanother._________________________________三、用所给单词的适当形式填空1.Idon’thave______money,soIcan’tbuythatexpensivewatch.(many)2.Thatwasthe_________ofhislife’swork(begin)3.Ifitisfineatnight,yourareabletoseestarsinthesky_________(e

7、asy)4.The_______ofthestargroupsneverchange.(shape)5.Hedidn’tuseto______,butnowhe________alot.(smoke)6.Thisisaninterestingbook.I______toreaditwhenIwasachild.(use)7．Isawadog______intotheriver.(jump)8.Itiskindofyou___________thisbookforMike.(buy)9.Indifferent________,y

8、ouwillseedifferentgroupsofstars.(season)四、完成句子1.我以前每天晚上出去看星星。I____________________outsidetolookatthestarseverynight.2.他爸爸以前从不喝酒。Hisfather_