(完整版)定语从句与六种易混句型巧区分
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定语从句易混点讲解定语从句要点比较多,命题角度也就有很多,这就注定它必定是高考考查的一个热点。
下面针对定语从句中同学们比较容易忽略或容易混淆的地方给大家做一个归纳,帮助大家更好地掌握定语从句,从而在考试中认清考点,轻松得分。
易混点一:表特制的两种结构This is the school____ you visited.This school is____ you visited.易混点二:关系代词与关系副词的选择不明确(学会拆分句子,注意词性就不会做错)1.I still remember the days _____ we spent together in the middle school.2.I still remember the days ______we studied together in the middle school.A. whatB. whichC. whenD. while解读:定语从句中关系词的选择主要是看先行词在从句中作什么成分:作主语、宾语、表语、补语时一般用关系代词;作状语一般用关系副词。
第1题中先行词the days在从句中作及物动词spent的宾语所以选B;第2题中先行词the days作不及物动词worked的时间状语,所以选C。
易混点三:某些关系代词的特殊用法不明确1.He told me a lot about the dog and its owner _____I met just now in the park.2.He failed the final exams, ____made his parents unhappy.3.He was late for the meeting, _____was the case.A. thatB. asC. whatD. whom解读:关系代词that和which在指物以及关系代词that和who/whom在指人时常常可以互换。
定语从句与十一种句型易混辨析鲁山一高徐焕焕一.定语从句与并列句① He has many friends, none of whom say he is greedy.② He has many friends, but none of them say he is greedy.定语从句与主句之间是一种主从关系,需关系词将两者连接,如句①,故填whom ;并列句是由并列连词等连接起来的句子,此时不再需要关系词了,如句②,故填代词them.二.定语从句与强调句①It was in Wuhan that Jill met the girl and adopted her.②It was in Wuhan where Jill met the girl and adopted her.强调句型的结构式: “ It is/was+被强调部分+that 从句”判断是不是强调句标准是:先把It is/was… that去掉,剩下的句子如果仍然成立,则为强调句型,如句①,故填that,否则为定语从句,如句②,故填where.三.定语从句与强调句在特定语境中的区分----Where did you meet him?-----It was in the factory B he worked.A. thatB. where从语法结构上分析,A 、B两个选项都合适,填 A ,是强调句型,填 B ,是定语从句;但是结合语境,填A句意为“他是在这个工厂工作的,”答非所问,而填B句意为“是在他工作的工厂里,”符合语境,故正确答案只能是B.四.定语从句与结果状语从句① I want to have the same dictionary as he has.② She is such a kind teacher that all of us respect her.如果as, that在引导的从句中充当一定成分,则它们引导的是定语从句,如句①, 故填as ;相反,如果它们只起连接作用,则它们引导的是结果状语从句,如句②,故填that.五.定语从句与地点状语从句①We should go to the place where/in which we are needed most.②We should go where we are needed most.where引导定语从句,其前一定要有表地点的先行词,而且可以用“介词+which”替代where ,如句①, “place”做先行词,故填where/in which ;而地点状语从句前无先行词,只能用where引导地点状语从句,如句②,故填where.六.定语从句与固定句型①It was the time when the two countries were at war.②It was the first time that she had ever left her motherland.句①中time是先行词,其后是when引导的定语从句;句②是固定句型:It +is/was+序数词+time+that从句.七.定语从句与两个简单句①I found a note on the table, which read: “I’ve left for Harbin.”②I found a note on the table. It read: “I’ve left for Harbin.”含有定语从句的复合句,有主句,有从句,即定语从句,必须要有关系词,如句①;而两个简单句是两个独立的完整的句子,不需要关系词,如句②。
定语从句终极秘籍:掌握6大必背句式,英语写作大放异彩扩展资料1《轻松搞懂三大从句:定语从句的本质(1先行词2关系词3成分4步骤)》扩展资料2《一张图攻克定语从句最大难点—关系词的选择:关系代词、关系副词》扩展资料3《定语从句关系词:4组易错辨析(限制性和非限制性定语从句)》扩展资料4《你真的学会定语从句了吗?来看看这5种特殊的定语从句》今天,我们来看看这6种定语从句必背的句式,如果能够掌握,将会令你的写作大放异彩。
①倒装(定语从句发生倒装)山顶有座庙,庙里住着个老和尚。
On the top of the mountain stands a temple, in which lives an old monk.(in which是表地点的介词短语,放于句首引起完全倒装)汉语语序跟英语是不是完全一样?英语跟汉语的语法有很多相通之处。
②插入(定语从句中加入插入语)He helped me though he was busy, which I think was very moving.尽管他很忙他帮了我,我认为这是很令人感动的。
(I think为插入语,插在从句的主谓之间)③省略(定语从句省略关系词)I don’t like the gift (that/which) he gave me.我不喜欢他给我的礼物。
(关系代词作宾语可省略)④数量(表示数量关系的定语从句)I have read many books, most of which are novels.我读了很多书,其中大多数是小说。
There are 60 students in our class, most of whomare girls.在我们班有60名学生,其中大多数是女生。
(基数词,序数词,分数,百分数,不定代词,形容词的比较级或最高级都可以构成类似数量关系)⑤原因(高分句式:The reason why…is that…)The reason why he was late was that he missed the early bus.他迟到的原因是他错过了早班车。
定语从句与六种易混句型巧区分一、定语从句与并列句1.John’s parents kept telling him that he should work hard, but _____didn’t help.A.he B.it C.which D.who2.Cedric was so angry that he kicked a chair and broke one of its legs, _____was rather funny.A./B.it C.that D.which3.I advised him to give up smoking; _____didn’t help.A.it B.I C.which D.as二、定语从句与强调句的区别] 4.It was about 600 years ago ____the first clock with a face and an hour hand was made. A.that B.until C.before D.when5.It was January 1st _____I paid a visit to my friend Jennifer.A.that B.until C.before D.when三、定语从句与同位语从句的区别6.The fact __she hasn’t known the result of the examination is clear.A.that B.which C./D.about which7.The fact _____she told me yesterday is very important.A.which B.that C./D.All of the above.四、as引导的非限制性定语从句与it作形式主语时的区别8._____is known to everybody, the moon travels round the earth once every month.9._____is known to everybody that the moon travels round the earth once every month.A.It B.As C.That D.WhatⅠ.A.whom B.them C.they D.who1.Mr Smith has three sons,none of ____is a computer expert.2.He has three sisters,_____are doctors.3.She has three CDs,but none of_____is interesting.4.I have many friends,and all of_____are nice and friendly.5.Miss Yang has some relatives here;____like her very much.Ⅱ.A.where B.which C.in which D.that1.Rice grows well ___there is enough water.2.I know the university ____my parents worked ten years ago.3.After th ewar,a new school building was put up ___there had once been a theatre.4.The hospital ____Mr Li was operated on in has taken on a new look.Ⅲ.A.that B.when C.where D.who 1.It is on a summer afternoon ____he met Liang Wei from Shanghai.2.Is it on the farm ____Mr Wang lives?3.It is the farm ____Mr Wang lives.4.Is it Lang Weiwei ____is speaking to a foreigner?Ⅳ.A.that B.as C.who D.which1.Nobody in our school has the same camera ____you have.2.She is such a good girl ____does well in French.3.She is such a good girl ____all of us like to make friends with her.Ⅴ.A.that B.which1.The news ____he told me sounds reasonable.2.The news ____China has joined the WTO excites all the Chinese.Ⅵ.A.that B.when C.which1.It is the first time ____I have been here.2.It was the time ____we had a hard life.定语从句与其易混句型小练1.Is there a shop around ________ I can get a pack of cigarettes?A. whichB. whereC. thatD. what2. ________ human beings live in great numbers, the waters are very likely to be polluted.A. ThatB. WhereC. WhyD. But3.It was in the small house _______was built with stones by his father ______he spent his childhood.A. which, thatB. that, whereC. which, whichD. that, which4.— ________ you got to know my telephone number?—Through a friend of yours.A. How was itB. What was itC. How was it thatD. What was it that5. When I try to find ________ tat prevents so many people from taking part in the program, it seems to me that there are two main causes.A. what it isB. what to doesC. why it doesD. why it is6.John’s parents kept telling him to give up smoking, but ________ didn’t help.A. heB. itC. whichD. who7.They have a son and two daughters , _________ live in this city.A. all of themB. both of themC. everybody of whomD. all of whom8.They have a son and two daughters, and_________ live in this city.A. all of themB. both of themC. everybody of whomD. all of whom9.Mr Smith was so angry that he kicked a chair and broke one of its legs , _________ was rather funny.A.不填B. itC. thatD. which10.__________, the sailors returned twenty days later, ill, tired and unhappy.A. It is reported thatB. As is reportedC. Which is reportedD. What is reported11._________the sailors returned twenty days later, ill, tired and unhappy.A. It is reported thatB. As is reportedC. Which is reportedD. What is reported12.The fact _________ she doesn’t know the result of the examination is clear.A. thatB. whichC.不填D. about which·定语从句专项练习概念:1.在句子中修饰名词或代词,定语从句在句中充当定语.2.定语从句必须有先行词,并尽量靠近先行词.3.在定语从句中,关系词在从句中充当成分.关系代词与关系副词关系代词:指人:who(主格),whom(宾格),whose(所有格)指物:which(主格,宾格),whose(所有格)指人或物:that关系副词:when,where,why1.This is all____I know about the matter.A.thatB.whatC.whoD.whether2Is there anything else_____you require?A.whichB.thatC.whoD.what3.The last place _____we visited was the Great Wall.A.whichB.thatC.whereD.it4.He talked happily about the men and books_____ interested him greatly in the school.A.whichB.thatC.itD.whom5.There is no dictionary_____you can find everything.A.thatB.whichC.whereD.in that6.This is one of the best books_______.A.that have ever been written C.that has writtenB.that has ever been written D.that have written7.He wrote a letter to me,telling me everything__ _ he saw on the way to the Paris.A.whatB.thatC.whichD.where8.Is oxygen the only gas_____helps fire burn?A.thatB./C.whichD.it9.Is there anything_____to you?A.that is belongedB.that belongsC.which belongsD.that belong10.The scientist and his achievements______you told me about are admired by us all. A.which B.that C.who D.whose11.Which of the books______were borrowed from him is the best?A.whichB.whatC.thatD.whose结论:先行词有下列情况或附有下列修饰语时,通常关系代词that1)先行词是all,no none,everyone, something,much, little等2)先行词前有序数词,形容词最高级,the last,the same,the only等.3)如果先行词中既含有表示人的名词又有表示物的名词时.4)若主句中有疑问代词who,which 为了避免重复, 关系代词不要再用who,which.1.Do you know who lives in the building______there is a well?A.in front of itB. in front of whoseC.in front of whichD.in front which2.I’ll never forget the day____I joined the League.A.on whichB.in whichC.whichD.at which3.The woman_____my brother spoke just now is my teacher.A. whoB.to whomC.to who D whom4.Jeanne was her old friend,____she borrowed a necklace.A.from whoB.from whomC.to thatD.to whom5.His glasses,_____he was like a blind man,fell to the ground and broke its leg.A.whichB.with whichC.without whichD.that6.she is a teacher of much knowledge,_____much can be learned.A.whoB.thatC. from whichD.from whom7.He built a telescope_____he could study the skies.A.in whichB.with thatC.through whichD.by it8.Do you know the reason____he was late?A.thatB.whichC.for whatD.for which9.I have bought two ballpens,____writes well.A.none of whichB.neither of whichC.none of themD.neither of them10.The Second World War_____millions of people were killed in 1945.A.during whichB.in thatC.whereD.on which11.China has many rivers,____the Changjiang River is the longest.A.whichB. in whichC.among whichD. one of which12.This is the very knife_____I used to cut apples yesterday.A.thatB.by whichC.whichD.with which13.The speed____which you drive your car mustn’t too high.14.In the park there are many flowers,the colour_____ which is bright and nice.15.The little girl is reading a book,_____which there are many pictures.16.What were the things_______which he was not too sure?17.They held a meeting,____which the hospital director made a speech.18.The book,_____which he paid 6 yuan,is worth reading.19.Is this the man____whose house the police found the lost coloured TV?20.The villagers dug along tunnel______which they could go to the fields without being found by the Japanese soldiers.21.Wu Dong,_____whom I went to the concert, enjoyed it very much.22.The stories about Long March,_____which this is one example,are well written.结论:介词﹢关系代词引导的定语从句,关键是判断介词的选择,方法一是看从句谓语部分缺少什么介词(习惯搭配),再则可以通过整个句子整体含义来判断,结合生活实际来判断.1.______was natural,he married Jenny. A.Which B.That C.This D.As2.Such signs_____we use in the experiment______Greek letters. A.as ,are B.as,is C.that,are D.that,is3.I passed him a large glass of whisky,_____ he drank immediately . A.that B.as C.which D.who4.She is very good at dance,____everybody knows. A.that B.which C.who D.as5.It was raining,_____was a pity. A.what B.that C.the which D.which6.______has been said above,grammar is a set of dead rules. A.Which B.What C.That D.As7.We do the same work_____they do. A.which B.as C.than D.like8.The earth is round,_____we all know. A.that B.which C.who D. as结论: as ,which均可以引出非限制性定语从句,如都指前一句话的意思,二者可以互换.as 引导的从句可以放在句首,as 本身有“正如…..正象…”. 一类的含义. 与之连用的词有know,see,expect, announce,point out等.此外,在the same…as…such….as….中as引导的是限制性定语从句.1A.Is this the factory_____you visited last year?B.Is this factory____you visited last year?a.thatb.wherec.in whichd.the one2.A.Mr Smith is one of those foreigners who____ working in China.B.Mr Smith is the only one of those foreigners who____working in China.a.isb.hasc.haved.are3.A.Don’t discuss questions such_____those.B.Let’s discuss only the questions______we are interested in.a.whichb.thatc.asd.about which4.A. All____I need is a good rest. a.What b.All whatB. ____I need is a good rest. c.that d.Which 5.A.Pisa is a city, ___ has a leaning tower. B.Pisa is a city,____there is a leaning tower.a.whichb.thatc.whered.there6.A.This is the place____we visited last year. B.This the place____we worked last year.a.whichb.wherec. in thatd.there7.A.The news____he told us was very exciting. B.He has brought us the news____our teamhas won the game.a.whatb.asc.thatd.where8.It is in a box____I have hidden my money. We’ll go___we are needed.a.thatb.in whichc.whered.in itA. itB. asC. thatD. whatE. which1.______ is known to everybody , the moon travels round the earth .2.______ is known to everybody that the moon travels round the earth .3.______ is known to everybody is that the moon travels round the earth .4.______ everybody knows, the moon travels round the earth .5.The moon travels round the earth ,______ everybody knows.【答案】1.B; 2.A; 3.D; 4. B; 5. A/E【高考衔接】2004上海春季高考的36、37、38和41题。
定语从句和其他易混句型对比和区别一.定语从句与并列句1.并列句用分号(;)或连接词and, but来连接。
2.定语从句用关系词来引导,关系词具有两个作用:一是放在先行词与定语从句之间起连接(主句和从句)作用,二是充当从句中的一个成分。
练习:Li has three daughters, none of________ is an engineer.Li has three daughters, but none of__________ is a dancer.Li has three daughters; __________ are doctors.二. 定语从句与地点状语从句1. where引导的定语从句用来修饰表示地点意义的名词或代词,可以改成“介词+which”。
2. where引导的地点状语从句用来修饰动词,表示动作发生或存在的地点,不可改成“介词+which”。
:3.做题时,先根据句意确定有无先行词。
如有,是定语从句,如无,是状语从句。
对比下面两个句子:He left the key where he had been an hour ago.He left the place where he lived for many years.练习:doesn’t grow well _____ there is not enough water.still remember the farm_____ my parents worked ten years ago.3. The visitor asked the guide to take his picture _____ stands the famous tower.A. thatB. whereC. whichD. there三. 定语从句与强调句1.强调句型可以还原成正常语序的句子,也就是说,强调句型中去掉It be… that后,句子仍然通顺,意义也依然完整,只是没有那么强调突出。
定语从句与其易混淆句型的辨析众所周知,定语从句是高中英语学习中的一个语法重点,老师、同学们都对此予以重点关注。
由此造成了这样一种现象:做题时,一遇到从句就往定语从句上想,尤其容易把一些形式上与定语从句相似的句型(主要是同位语从句、强调句、地点和时间状语从句)也当作定语从句来理解,结果产生错误。
因此,从某个方面来说,解答定语从句题的关键是弄清它和易混淆句型之间的区别。
一、定语从句与同位语从句定语从句和同位语从句都置于被修饰的名词或代词之后,形式上非常相似,尤其是由that引导时,最难区分。
实际上,两者的根本区别在于句法功能不同,与先行词的关系不同。
1. 句法功能不同定语从句相当于一个形容词,用来修饰、描述或限制其前面的名词、代词(称为先行词)或整个句子;同位语从句则相当于一个名词,是先行词所述内容的展开,即说明先行词的具体内容。
定语从句的引导词that在从句中一定充当句子成分;而同位语从句中的引导词that(被称为连接代词)在从句中只起连接作用,不充当任何句子成分。
定语从句的引导词在从句中作宾语或状语时,可以省略或被其他词代替;而同位语从句的引导词则一般不能省略,也不能被代替。
例1The news (that / which)we picked up from his informal conversation is true.我们从他的闲谈中听到的那个消息是真实的。
例2The news that Mr Li will teach us English next semester is true. 李先生下学期将教我们英语这个消息是真实的。
点评:例1的中that从句是定语从句,其作用相当于一个形容词,用来限定the news,that在从句中作宾语,可省略。
例2中的that从句是同位语从句,其作用相当于一个名词,本身就是the news的内容,that不能省略。
2. 与先行词关系不同定语从句所修饰、限定的先行词可以是名词或代词,当that省略时,定语从句本身是一个不完整的句子。
定语从句与六种易混句型巧区分一、定语从句定语从句which / that /who / whose / whom / as / when / where / why1.That bank which / that was opened last week is a very modern one.2.An architect is a person who / that designs houses and buildings.1.The island, which is at the mouth of the river, is being developed asa scenic spot.2.My son, who is a surgeon, is now in Sweden as a visiting scholar.3.The man with whom you shook hands just now is head of our department.4.The room in which my family live used to be a garage.1.That is the book ( which / that ) I referred to in my talk.2.He is a teacher ( whom / that ) we all have high respect for.1.This is the best film that has ever been made.2.The first place that we visited was the Great Wall.3.The only furniture that he had in the room was a bed and a smalldesk.4.That is all that I want to say. / Is there anything that I cando for you?5.They talked about persons and things that they remembered inthe school.6.Is there any book that I can refer to?7.Who is the girl that is standing at the school gate?Which is the book that you want to borrow?1.The hero whose left leg he lost in the war is well looked after.2.On the hill were maple trees whose leaves had turned red.On the hill were maple trees the leaves of which had turned red. On the hill were maple trees of which the leaves had turned red.He is a teacher, as / which is clear from his manner.As is natural, she married an American businessman.He used such expressions as he could find in the texts.They stayed for the night in the same room as / that they had once rented.I still remember the day when / on which we first met.We will never forget the day which we spent together.We will never forger the day when we worked together.The city where / in which I was born is on the new railway line.I like to take my vacation in the mountain, which is quiet and beautiful.I like to take my vacation in the mountain, where there are many plants.This is the reason why / for which he left the company.This is the reason which he gave us for his action.This is the reason why he did that thing.二、定语从句从句型上讲,它与六种句式相似,十分容易混淆。
定语从句与六种易混句型巧区分一、定语从句定语从句which / that /who / whose / whom / as / when / where / why1.That bank which / that was opened last week is a very modern one.2.An architect is a person who / that designs houses and buildings.1.The island, which is at the mouth of the river, is being developed asa scenic spot.2.My son, who is a surgeon, is now in Sweden as a visiting scholar.3.Themanwithwhomyoushookhandsjustnowisheadofourdepartment.4.The room in which my family live used to be a garage.1.That is the book ( which / that ) I referred to in my talk.2.He is a teacher ( whom / that ) we all have high respect for.1.This is the best film that has ever been made.2.The first place that we visited was the Great Wall.3.The only furniture that he had in the room was a bed and a smalldesk.4.That is all that I want to say./ Is there anything that I cando for you?5.Theytalkedaboutpersonsandthingsthattheyrememberedinthe school.6.Is there any book that I can refer to?7.Who is the girl that is standing at the school gate?Which is the book that you want to borrow?1.The hero whose left leg he lost in the war is well looked after.2.On the hill were maple trees whose leaves had turned red.On the hill were maple trees the leaves of which had turned red.On the hill were maple trees of which the leaves had turned red.He is a teacher, as / which is clear from his manner.As is natural, she married an American businessman.He used such expressions as he could find in the texts.They stayed for the night in the same room as / that they had oncerented.I still remember the day when / on which we first met.We will never forget the day which we spent together.We will never forger the day when we worked together.The city where / in which I was born is on the new railwayline.Iliketotakemyvacationinthemountain,whichisquietandbeautiful.Iliketotakemyvacationinthemountain,wheretherearemanyplants.This is the reason why / for which he left the company.This is the reason which he gave us for his action.This is the reason why he did that thing.二、定语从句从句型上讲,它与六种句式相似,十分简易混淆。
为了帮助同学们分清定语从句与这六种句型的差异,现将其分类例析如下。
一、定语从句与并列句1.用一个恰当的词完成下列句子,使之统统与正确。
①Mr Li has three daughters,none of _____ is an engineer.②Mr Li has three daughters,but none of _____ is a dancer.③Mr Li has three daughters;_____ are doctors.2.定语从句与并列句的主要区别在于:并列句有像and,but,so等并列连词或两个句子用分号连接,这时就不能再用引导定语从句的关系词了。
从结构上看,①小题是定语从句,故填whom;②小题有并列连词but,是并列句,故填代词them;③小题是两个并列分句,无需连接词,缺少主语,故填none或they。
二、定语从句与地点状语从句1.用一个恰当的词完成下列句子,使之统统与正确。
①Rice doesn“t grow well _____ there is not enough water.②I stillrememberthefarm_____myparents workedtenyearsago.2.定语从句与地点状语从句的主要区别在于:定语从句有表示地点的先行词,而地点状语从句则没有;定语从句的关系词根据需要可用“介词+which”来代替where,而地点状语从句则通常只能由where引导。
因此,从结构上看,①小题无表示地点的先行词,故为表示地点的状语从句,填where;②小题中the farm是先行词,是定语从句,故填where,此处的where可用on which替换。
三、定语从句与强调句1.用一个恰当的词完成下列句子,使之统统与正确。
①It is on the morning of May 1st _____ I met Liang Wei at theairport.②It is the factory _____ Mr Wang works.2.定语从句与强调句的主要区别在于:强调句的结构为“Itis/was+被强调部分+that+从句”。
被强调部分可以是除谓语以外的任何成分,当被强调部分是人时,还可用who代替that。
这一句型中,一定不能因为被强调部分是表时间或地点的词就用when或where代替that。
从结构上看,①小题是强调句,故填that。
此种情况检测的标准是:先把强调句中的It is/was去掉,再把被强调部分还原,在不增加或减少任何单词的情况下,如句子仍然成立则为强调句,否则为定语从句。
将第①小题改为:I met Liang Wei on the morning of May1st at the airport.显然,这句话是正确的,故为强调句。
②小题则是定语从句,用上述方法转换便知thefactory前差个介词in,故填where。
四、定语从句与结果状语从句1.用一个恰当的词完成下列句子,使之统统与正确。
①I have the same computer _____ you have.②She is such a kind and funny girl _____ all of us like to makefriends with her.2.定语从句与结果状语从句的主要区别在于(这里只讨论thesame...as/that和such...as/that两种情况):在这两种情况下,如果as/that既引导从句,同时又在从句中充任一定的成分,则as/that 引导的是定语从句。
在thesame...as/that结构中,用as指一样的,但不是同一个事物;用that指同一物品,故①小题填as;如果as/that在从句中不作任何成分,只起连接作用,则as/that引导的是结果状语从句,故②小题填that。
五、定语从句与习惯句型1.用一个恰当的词完成下列句子,使之统统与正确。
①It is the first time _____ she has been in Shanghai.②It was the time _____ Chinese people had a hard life.2.这里①小题是一个习惯句型,其结构为:It is/was the first/second...time+that从句。
故①填that,其意为:这是她第一次在上海。
②小题the time是先行词,其后是表示时间的定语从句,故填when。
六、定语从句与单句1.用一个恰当的词完成下列句子,使之统统与正确。
①The mother told the lazy boy to work,_____ didn“t help.②The mother told the lazy boy to work._____ didn“t help.2.含有定语从句的复合句与两个单句的主要区别在于:前者有主句,有从句,必须有关系词;而后者则是两个单独的句子,不需要任何关联词。
①小题两个句子用逗号连接且没有并列连词,显然应是主从句关系,因此需用关系词which,前面整个句子作先行词;②小题则填It,代替前面的整个句子。
解题时,注意标点符号的运用。