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1、代词that, one, the one, it的用法区别 它们三词均作代词用，指代前文提到的名词。但是it所指是同名同物，one和that所指是同名异物 that是特指，代替前面提到的不可数名词或单数可数名词。代指前面提及的同类而非同一物，其复数用those，后面一般有后置定语。The weather in Kunming is better than that in Wuhan.The population of China is larger than that of any other country in the world. one是泛指，指代前面提到的同类人或物（可数名词）中的一
2、个，其复数用ones，前面一般有定语。I bought five pencils for my children, two red ones and three green ones. the one 是特指，指代前面提到的同类人或物（可数名词）中的一个，其复数用the ones。This picture is the one that I drew yesterday. it是特指，代替前面提到的那个特定的事物。I lost my dictionary yesterday. I havent find it so far.一、it的用法1、it指代上文所提事物的本身（it表时间、强调等的用法
3、此处不阐明），如果所代替的事物为复数，则应该用they或them表示。2、it也可以用来代替上文所提到的一件事。1.The Parkers bought a new house but _ will need a lot of work before they can move in. (NMET2001,25)A.they B.it C.one D.which2.I am looking for a house. Id like _ with a brook around_.A.one,it B.it,it C.one,one D.it,one3.Marys mother always to
4、ld her to work hard, but_didnt help.A.one B.he C.she D.it4. Do you like these photos? Yes, _are very beautiful and I like_ very much.A.they,those B.they,them C.ones,ones D.the ones, the ones5.Are you still using your old car? -No, I sold_the other day.A.it B.one C.that one D.the one6.Yesterday I los
5、t my pen, but now I have found_.A.it B.them C.ones D.those7.Where are my books? -_ are on the TV set.A.Ones B.Those C.The ones D.They8.Where have you put my shoes? I cant find_anywhere.A.them B.those C.ones D.the ones9.Where did you buy the watch? Would you please get_ for me?A.it B.one C.the one D.
6、them10.Dont read in the sun. _ is bad for your eyes.A.One B.The one C.It D.This二、that的用法1、that用来指前文中确定的非同一事物，常用来替代与定冠词或形容词性物主代词连用的单数可数名词或不可数名词，相当于“the+名词”，其复数形式为those。2、that表替代时为始终是特指（作指示代词和关系代词用时另论），可指上文谈到的人、物或情况（均为单数），可代替可数名词和不可数名词。3、若that所代替的内容为前置用法，即要代替的内容将出现在下文中，一般用this,these或the following表示。1.
7、He was nearly drowned onceWhen was_?(NMET2002 Beijing spring)_was in 1998 when he was in middle school.A.that,It B.this,This C.this,It D.that,This2.Equipped with modern facilities, todays libraries differ from_ (2003 Shanghai spring,26)A.those of the past B.the past C.which of the past D.those past3
8、.Few pleasure can equal _of a cool drink on a hot day. (NMET99,17; NMET99 Guangdong,29)A.some B,any C.that D.those4.The population of Sichuan Province is larger than _of any province in China.A.one B.it C.that D.the one5.What I want to suggest is_: Everyone should have another try. We neednt only wa
9、it for help.A.that B.this C.it D.one6.You see, the accident happened like_: The red car hit the bus and made all the traffic stop.A.that B.this C.it D.one7.Listen! _ is about the lessons we will have to finish today.A.It B.The one C.The following D.One8.The climate here is quite different from_ of S
10、hengyang.A.that B.it C.one D.the one9.The study of idioms is as important as_ of grammar.A.one B.that B.it D.this10.My seat is next to_ of my teacher.A.that B.it C.this D.one三、which的用法1、在后置的非限制性定语从句中代替上文出现的事物或情况（单数或复数）。2、在问句中作为疑问代词，在名词从句中作为连接代词用，其含义为“哪个、哪些”。3、如果非限制性定语从句的先行词不是指主句内容，而是指具体的人、时间、地点，则不用w
11、hich。4、如果非限制性定语从句前置，则用as。1.Dorothy was always speaking highly of her role in the play, _, of course, made the others unhappy. (NMET2000,17)A.who B.which C.this D.what2.The result of the experiment was very good, which we hadnt expected. (NMET2000 Beijing spring,10)A.when B.that C.which D.what3.China
12、 has its own English language newspaper, China Daily,_is published in Beijing.A.that B.it C.which D.one4.China Daily has plenty of advertisements, _ help to cut the costs of making the newspapers.A.that B.it C.which D.they5._ would you like better, the blue one or the red one?A.Which B.What C.That D
13、.How6.I dont know in_ direction the thief ran away.A.whose B.what C.which D.where7.The old scientist went to the U.S.A in 1921, _ he spent his last years.A.which B.when C.where D.that8._we all know, China is developing at a great speed to catch up with the western countries.A.Which B.That C.It D.As9
14、.At last we came to an old castle, _ roof was in a bad state.A.which B.what C.whose D.that10.The man was standing behind the window, _ he could see what was happening outside the house.A.from which B.from where C.where D.which四、one 的用法1、常用来代替与上文所提到人或物相类似的不确定的另一人或物（泛指），且被替代者为可数名词单数形式。2、若下文替代者表示非特指含义，
15、则用a/anadjone形式表示；若下文替代者为另一特指含义，则用the one或theadjone表示；若下文替代时为复数含义，则用theadjones 或the ones表示。3、 one作替代词用时，其前可加某些形容词或限定词，如the,this,that,which,each,every,any，但一般不能直接在其前加物主代词。4、one被后置定语修饰表示特指时，前面应加the；被形容词修饰表示泛指时，其前应加a/an；被形容词修饰表示特指时其前应加the。5、one作主语时，其对应的物主代词用 ones或 his，反身代词用 oneself或 himself，重复主语用 one 或h
16、e。1.I hope there are enough glasses for each guest to have_ . (NMET95,21)A.it B.those C.them D.one2.Why dont we take a little break? Didnt we just have_? (NMET2000,23)A.it B.that C.one D.this3.Meeting my uncle after all these years was an unforgettable moment, one I will always treasure. (NMET2002,3
17、5)A.that B.one C.it D.what4. Did a letter come for me? Yes, there was _for you this morning.A.one B.it C.the one D.that5.He has a blue pen and two red _.A.one B.ones C.those D.the ones6.I brought a necklace to you that day, but it was_.A. a different one B.different one C.the different one D.differe
18、nt ones7.I dont like this blue cat, Id like_.A. the red one B.red one C.a red D.that red8.I dont like this expensive cake, _ is OK.A.cheap one B.that cheap C.a cheap one D.a cheap9._should love_country.A.One,her B.She,her B.One,ones D.One,ones10.Such a drug will make_ find it hard to go without it.A
19、.it B.that C.one D.ones11.Yesterday I lost my pen, but Ive bought_.A.it B.that C.one D.the one12.Young people like seeing the film, but old_ dont.A.those B.ones C.one D.them13.This book is_that is needed by all of us.A.it B.one C.that D.the one14.He is_who gave us the talk yesterday.A.that B.one C.t
20、he one D.himself15.Is this museum_they paid a visit to yesterday?A.that B.where C.the one D.which16.Your old bike is_, its much better than_A.a good one,my new one B.good one,my oneC.a good,my new one D.one good,new my one17.This advice is different from_.A.that one B.that C.it D.the one18.The books
21、 on the table are more than_ on the bookshelf.A.they B.them C.those D.ones19.A cake made of wheat costs less than_ made of rice.A.one B.it C.those D.that20.Do you like red ink or_?A.blue one B.blue C.the blue one D.red ink21.The step youve taken is_ of much risk.A.one B.that C.it D.ones22.Im told yo
22、uve got some foreign stamps. Will you please give me_?A.one B.it C.that D.the one五、so的用法1、so表示替代常用来代替上文中出现的内容，尤其是上文内容在下文中以宾语从句形式出现时。2、如果在下文被代替者为否定含义的宾语从句，常用否定动词+so或直接用not代替。如：1. The boys are not doing a good job at all, are they?_.(NMET2003 Beijing spring,22)A.I guess not so B.I dont guess C.I dont
23、guess so D.I guess not2. Do you think its going to rain over the weekend?_.(NMET94,13)A.I dont believe B.I dont believe it C.I believe not so D.I believe not)3. Do you think its going to rain again? I _, but I _.A.think not,hope so B.not think,so hope C.dont think so,dont hope so D.think not,hope not4.Do you think its going to be fine ? -Yes, and I_.A.expect that B.expect so C.expect it D.expect them5.Will they come back again? -No, I_.A.dont believe B.not believe C.believe not D.dont believe that