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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,连词类单词、词组辨析,1.and,，,but,，,or,【,解析,】,三者均为连词。,and,意为“和；及；与；同；又；然后”，用在陈述句中。,but,意为“但是；除,以外”，表转折或递进。,or,意为“或者；还是；否则；要不然”，表选择、并列或否定的条件。,【,举例,】,My mother and father have never agreed on this matter.,我父母在这件事情上从未意见一致过。,It is hot in summer here,，,but it is not cold in winter.,这里夏天热，但冬天不冷。,He didnt speak anything but Greek.,他只会说希腊语。,Either you or I am to go.,你我之间总有一个人要去。,Hurry up,，,or youll be late.,快点，否则你会迟到的。,【,应用,】,()1.We must get up at 7:00 tomorrow morning,，,_we will be late for the meeting.,A.and B.or C.so D.but,B,()2.Work hard,，,_ youll make progress,！,A.or B.but C.and D.while,()3.Though the old man didnt have enough money,，,_ he gave a thousand,yuan,to the charity.,A./B.and C.but D.or,C,A,2.if,，,whether,【,解析,】,两者都可表示“是否”，都可引导宾语从句。,if,通常不与,or not,连用，它引导的宾语从句不能移到句首。,if,还有“如果；假如”之意，此时常用来引导条件状语从句。,whether,可与,or not,连用，其引导的宾语从句可以移到句首。,whether,还可以接动词不定式。,【,举例,】,We havent decided if/whether well go to Germany.,我们还没决定是否去德国。,He asked me whether Id move to New York if I got the job.,他问我如果我得到那份工作是否会搬到纽约。,I dont know whether he will come(or not).,我不知道他是否会来。,Whether he will come(or not)I am not sure.,他会不会来我不确定。,【,应用,】,()1.She asked _ Ben could repair her lap top.,A.if B.weather C.that D.what,A,()2.The question is _ Janice will leave on time or not.,A.weather B.if C.whether D.why,()3.Would you come along with me _ I go to,Nanshan,tomorrow,？,A.whether B.until C.if D.because,()4.Peter,do you know if Tony _ to my party next week?,I think he will come if he _ free.,A.,comes;will,be B.will,come;is,C.,comes;is,D.will,come;will,be,C,C,B,3.in order to,，,so that,【,解析,】,两者都可表示“为了”，后均接目的状语。但,in order to,接的是动词不定式，即,in order to do,，其否定式为,in order not to do,。而,so that(,口语中也作,so),后接的是目的状语从句，相当于,in order that,。,【,举例,】,She practices driving one hour each day in order to get the driving license.,为了拿到驾照，她每天练车一个小时。,Speak,clearly so that(in order,that)everybody,can understand you.,请说清楚一点，这样每个人都可以听懂你的话。,【,应用,】,()1.Whats your plan for the Spring Festival,？,Ill go to my grandpas _ it begins.,A.in order that B.so that,C.as soon as D.even though,()2.Susan,，,what are the advantages of MP5 players,？,Mom,，,they are smaller and lighter _ they can be carried very easily.,A.unless B.in order to C.until D.so that,()3.Nancy got up very early in order _ late.,A.not to be B.didnt be C.to be D.that,C,D,A,4.unless,，,if.not.,【,解析,】,两者都可以表示“如果不”，引导条件句，很多情况下可以互换。,附：用,if.not,换用,unless,时，,not,必须位于从句谓语中，而不能直接与,if,连用。,【,举例,】,We shall go unless it rains/if it doesnt rain.,要是不下雨，我们就去。,Dont,come unless I phone you/if I dont phone you.,我不打电话给你，你就不要来。,【,应用,】,()1._ you go to the supermarket at 7 p.m.,，,you can buy a lot of cheap food.,A.If B.Unless C.Whether D.When,()2.Can I change the jacket for another one_ it doesnt fit me well,？,Of course.,A.unless B.if C.that D.though,()3.Nobody can learn math well_ he works hard at it.,A.if B.unless C.though D.however,A,B,B,5.when,，,while,【,解析,】,两者都可以表示“当,时候”，常用在过去进行时的句子中。,(1)when,引导的从句谓语动词既可以是延续性的也可以是短暂性的。,(2)while,引导的从句谓语动词必须是延续性的。,【,举例,】,They were fighting when the boss came in.,老板进来时他们正在打架。,He fell asleep when he was reading.,他看书时睡着了。,I was drawing while my brother was watching TV.,弟弟看电视时我正在画画。,【,应用,】,()1.I was fishing by the lake _ someone called for help.,A.when B.while C.as soon as D.since,()2.Daddy came into the kitchen _ Mommy was cooking.,A.until B.but C.when D.if,()3.Jack was drawing a picture _ his dog was lying nearby.,A.while B.because C.when D.so,A,C,A,
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