Unit 4 Section A 课文重点知识语法精讲精练（课件） 人教版七年级英语上册.ppt

得出结论：becauseandbutand：表示并列、顺承关系，“并且”“和”。Ilikeapplesandbananas.（我喜欢苹果和香蕉。）Hewenttotheparkandplayedfootball.（他去公园并且踢了足球。）but:表示转折关系，“但是”“然而”。Sheisbeautifulbutveryshy.（她很漂亮但是很害羞。）Hetriedhardbutfailed.（他努力尝试但是失败了。）because：表示因果关系，“因为”。IdidntgotoschoolbecauseIwasill.（我没去上学因为我生病了。）Hesucceededbecauseheworkedhard.（他成功了因为他努力工作。）注意：在一个句子中不能同时出现because和so。拓展：or主要有以下几种用法：1.表示“或者”，用于连接两个或多个选择项。Doyouwantteaorcoffee?（你想要茶还是咖啡？）2.表示“否则”“要不然”。Hurryuporyoullbelate.（快点，否则你会迟到的。）3.在否定句中，表示“也不”。Hecantreadorwrite.（他不会读也不会写。）趁热打铁：1.Tonyisaquietstudent,______________heisactiveinclass.A.so B.and C.but 2.Hewantstobeanactor______________it’sanexcitingjob.A.and B.so C.because 3.Workhard,___________you’llcatchupwithyourclassmatesnexttimeA.and B.or C.but4.Iknowhisface____________Ican’trememberhisname.A.and B.but C.or 5.Studyhard,____________youwon’tcatchupwithyourclassmates.A.and B.or单元语法精练一、单选1.Tinalikesping-pongball____baseball,____shecantplaythem. A.and;and B.but;but C.and;but 2.-Canyouplayping-pongwithmethisFridayevening,Bob?-Thatsoundsgreat.__Imreallybusy.Ihaveamathclassat7:00p.m.A.So B.But C.And 3.Helikesapples_____pears,_____hedoesntlikebananas.A.but;and B.but;but C.and;but 4.Ilikewatchingbasketballgames,_____Idontplayit,becauseitmakesmefeeltired.A.so B.but C.and 5.ThisisJim____thatisTony.TheyarebothstudentsA.or B.but C.and 6.-Idontlikereading__watchingTV.Whataboutyou?Idontlikereadingallday.____IlikewatchingTVA.and;orB.and;and C.or;but 7.Idonthaveatennisball,butmybrother_____A.do B.does C.dont 8.Marylikessoccer,___shedoesntplayit.SheonlywatchessoccergamesonTVA.but B.and C