while作连词时

1、while作连词时，有三种用法是高考热点：(1) 作从属连词，引导时间状语从句，意为“当 的时候；和 同时”，从句中应用延续性或状态性动 词；(2) 作从属连词，引导让步状语从句，表示转折，意 为“虽然；尽管”；(3) 作并列连词，表示“对比”，意为“而，然而”。Mary made coffeeher guests were finishingthe i r meaIA. so thatB. althoughC. whileD. as ifthe I nterne t isof grea the Ip, I don t th ink it s a good idea to spend too

2、much time on it.A. IfB. Whi leC. BecauseD. As一 I wonder how much you charge for your serv i ces.一 The f i rst two are freethe th i rd costs$30.A. whileB. unt i IC. whenD. beforeIn some pI aces women are expected to earn moneymen work at home and raise thei r chi Idren.A. but B. whileC. because D. th

3、ough rat her t han 而不是；宁愿rather than前后结构相同，保持平衡e.g. He i s an artist rather than a wr iter.I wou I d do it myse I f rat her tha n ask him to do it.He prefers to rent a car rather than have one of his own.I should thank you rather than you should thank me.rather than连接两主语时，谓语与第一个主语保持 一致。e. g. I, rat

4、her t han you, am to b I ame 常用搭酉己：would prefer to do rat her t han doRat her t han stay at home, I I I prefer to go out.3) as we I I as除之外；和；与一样She i s cI ever as we I I as beautiful.as well也，通常用于句尾。Would you Iike to come as well?may/mi ght as we I I 不妨，还不安口as we I I as连接两主语时，谓语与第一个主语保持一 致。e. g.E-m

5、a i 1, as we 11as tel ephones,animportant part in daily communication. A. isplayingB. have p1ayedC. are playingD. p 1 ayeven though 和 even so 的区另U: even though = even if用作连词，引导让步状语从句；evenso用作副词， 意思是“尽管这样/那样，即便如此”。Your uncIe seems to be a good dr i ver； , IwouIdn t dare to trave I in h i s carA. even

6、 soB. even thoughC. thereforeD. sohave / take respons i b i I ity for对.负责assume / accept responsibiI ity for承担责任have a responsibility to do sth.应有做义务be respons i bIe to sb.对某 人负责Be I ocatedsituated in 二lie irFstandmore than +数词，以上，多于，有余，二 overe. g. By then he was more than forty years of age.2. more

7、 than +名词，不只，不仅仅，超过，远不止, 不同于e. g. Peace i s much more than absenee of war 朿口 平决不仅仅意味着没有战争。3. more than can / couId + v.不能more than表示否定，相当于not。e. g. That s more than I can teI I you.那一点我是不能告诉您的。4. more than + adj. /adv在语义上表示很高的程度， 意为“非常” “十分” “更加”等。e.g. Im more than happy to hear that.5. more than one 不止一个，作主语时，谓语动 词应用单数。out of respectout of cur i os ityout of k i ndness出于尊敬出于好奇出于好意出于慷慨out of generos ityfortnight是 fou