2007届英语复习专题It的用法[上学期]
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| 名称 | 2007届英语复习专题It的用法[上学期] |  | |
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| 更新时间 | 2006-12-23 20:45:00 | ||
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课件54张PPT。2007届英语复习专题
It的用法 it是常见代词之一，它既可以指代时间、地点、天气、距离等，还能作形式主语或形式宾语，同时可以引起强调结构，是历年高考热点之一。现结合高考试题对其用法作一介绍。一、用来表示时间、天气、地点、距离、环境、形势等。例如：
It is two miles to the beach. (Oxford) 这里到海滨有两英里。
It was raining in the morning. (Oxford) 今天早晨下着雨。
If it’s convenient I can see you tomorrow. (Oxford) 如果方便，我明天能见你。it表示时间常用于句型：
1、It is/has been＋一段时间＋since 从句。意为“自……以来已有多长时间了”或“自不……以来已有多长时间了”。例如： 1）It is/has been many years since I was last in London (P. 136 SEFC Book 2B) 自从我上次到伦敦，已经有许多年了。
2）It’s a long time since we met last. (P. 89 JEFC Book 3) 自从我们上次见面以来已经有很长一段时间了。
2、It is/ was/ will be + 一段时间 + before 从句。表示“在（做某事）前过了多长时间”，或“过了多长时间才……”。如：
But it ________more than 100 years before the country begins once again to look as it did before.
但是在100年之后，这个国家才能恢复到以前的样子。will be二、用来指代人。说明某人的身份或者做某事的人；指代婴儿或儿童；在不清楚某人性别时，也可使用 it，尤其在问答的形式中更为常见。例如：
1. ---Look, someone is coming. Who can it be?
---It may be the headmaster.
---It can’t be him. He has gone to Shanghai.
---It must be Mr. Zhang. He looks like the headmaster. 2. ____Doctor Stone, isn’t it? She’s usually good.
That is B. It is C. This is D. She is
3. ----Is that Doctor Stone?
----Yeah.
----Who is ___?
A. this B. that C. she D. it三、用来指代前文中的内容，或指代整个主句。如：
1. Take your pound of flesh! I declare the court allows it and the law gives it to you. (P. 63 SEFC Book 3A) 割下你要的那一磅肉吧！我宣布法庭允许你这么做，法律把那一磅肉判给你了。2. If it is possible, hod up the part of the body which is bleeding. (P. 44 SEFC Book 2A)
如果可能的话，就把出血的部位抬起来。
3. I was disappointed with the film ，I had expected _______ to be much better．
A．that B．this C．one D．it4. Tom's mother kept telling him that he should work harder, ___ didn't help.
he B. which C. she D. but it
5. It is said that in Australia there is more land than the government knows ___.
A. it what to do with B. how to deal with it
C. what to do with it D. to do what with 6. The Parkers bought a new house, ___will need a lot of work before they can move in.
A．but that B．but it C．one D．which
7. I love swimming, ____ keeps me fit.??
and it B. which C. it D. as
8. They said they had finished the work, but___.
I can’t believe it B. what I can’t believe
C. which I can’t believe D. I don’t believe
四、在一些相对固定的词组中出现，没有特殊含义，经常不翻译。如：
He’s never really made it as an actor. (Oxford) 作为演员，他从未获得过真正的成功。
It is my turn． 轮到我了。
3. That’s just it---I can’t work when you’re making so much noise. (Oxford)
原因就在这儿---你们这么吵，我没法工作。4. ____. I’ve got so much work I don’t know where to start.??
What an awful! B. It’s awful!
C. That was awful! D. As is awful,
5. ___with you??
___ Very well, thank you.
What is going on B. How is it going ??
C. How is everything going ?
D. What is up五、指代不定式、动名词、从句等，用作形式主语或形式宾语。如：
___ always difficult to be in a foreign country, especially if you don’t speak the language.
That is always B. It is always
C. It will be always D. That will always be2. We must make ___ to the public that something should be done to stop pollution.
What is clear B. it is clear
C. It clear D. that clear
3. I hate __ when people talk with their mouths full.
A. it B. that C. these D. them 4. ___ one day they will have enough animals to set them free.
It is hoped for B. what is hoped that
C. As is hoped that D. It is hoped that
5. ____ inside his heart was beating wildly with fear.
A. It appeared calm but B. He appeared calm, but C. What appeared calm was D. It was appeared calm, but用 it 作形式主语或形式宾语的句型主要有:
It + be + adj./ n. (for sb./of sb ) + to do sth.
It + be + fun/ a waste of time/ no good/ no use doing sth.
It ＋be＋过去分词＋that从句
It ＋be＋形容词＋ that从句
5、It ＋be＋名词（词组）＋that从句 Is it possible necessary to tell his father everything?
In fact it is a hard job for the police to keep order in an important football match.
I don’t think it possible to master a foreign language without much memory work.
How silly of you it is to have done it!It + be + adj./ n. (for sb./of sb ) + to do sth. 注意：
该句型中的形容词通常是表示事物的特点或特征的如difficult，hard，easy，impossible，necessary，important等，此时用for；
表示人的性格特征或特点的如nice，good，bad，kind，silly，foolish，wise，clever， careless，rude，brave，cruel，careful， grateful等，这时要用 of。 It + be + fun/ a waste of time/ no good/ no use doing sth.
___ to jump into a river on a hot summer day!
How fun it is B. What fun it is
C. What fun of it is D. What a fun it is
It is no use crying over spilt milk. [谚] 牛奶已泼，哭也无用。It ＋be＋过去分词＋that从句
It is said, reported, announced, hoped, thought，told，believed，expected，decided，suggested, known + that 从句
该句型通常可以转换成sb/sth is said that … 如：
It is said that the book was translated into many languages in 1950.
The book is said to have been translated into many languages in 1950.It ＋be＋形容词＋ that从句
可用于此句型的形容词还有wonderful， true，good，right，wrong，important ，useless，surprising，clear，unusual，lucky，certain等。 如：
1）It is quite certain that he will not make a speech at the meeting.
2）It is important that we (should) study hard. 5、It ＋be＋名词（词组）＋that从句。
适用该句型的名词（词组）还有a pity，an honor，a good thing，a fact，a surprise，good news等。 如：
1）It is a pity (that) you missed the sports meeting last week.
2）___ is a fact that English is being accepted as an international language.
A. There B. This C. That D. It6、It ＋seem／ appear／ happen的适当形式＋that从句。该句型常可以转换成含不定式的简单句。如：
1）It seems that there is a big waste pipe coming down from the town. (P. 31 SEFC Book 3A)
→There seems to be a big waste pipe coming down from the town.2）He appeared calm, but inside his heart was beating wildly with fear. (P.56 SEFC Book 3A)
→It appeared that he was calm, but inside his heart was beating wildly with fear.
7、It doesn‘t matter（It’s no wonder；It doesn‘t make too much difference等）＋ when/ where/ which/ whether 等从句。
如：
1）Does ___ matter if he can't finish the job on time?
A. this B. that C. he D. it2）They are all classmates．___ is no wonder ___ they should help each other with their studies．（上海 98）
A．This；whether B．It；if C．That；that D．It；that 8、S. + v. it + adj. / n./ + 不定式或从句。
常用于这一句型的动词有 find, consider, feel, make, think 等。如：
1）…he found it important to study the situation in Russia.
2）I want to make it clear whether she is still at school. 3）I feel it our duty to study English well.
4）I don't think ___ possible to master a foreign language without much memory work. (NMET 90)
A. this B. that C. its D. it
1. Was it Bill, ___ plays football well, ___ helped the blind man cross the road.
that/that B. who/that
C. who/who C. that/who
六、it 用来引起强调句型 Who 引导一个非限定性定语从句修饰Bill; that 指代被强调部分Bill.2. It was in the school, ___ I once studied, ___we held a party.
正是在我曾经就读的那所学校我们举行了一次聚会.
where/that B. in which/ that
C. that/where D.that/in whichwhere I once studied 非限定性定语从句修饰school。3. It was in the 1990s, ___ great changes were taking place in china, ___he made a lot of money. 正是在中国发生着巨大变化的二十世纪九十年代,他挣了大把的钞票.
that /when B. during which/that
C. when/that D. that/that强调部分in the 1990s 后跟了一个非限定性定语从句。4. ---Where did you meet him?
---It was in the park ____ his wife and he first met.
A. that B. where C. in which D. when这是个强调举行的省略句，完整句子是：It was in the park where his wife and he first met that I met him. 4. ---Do you still remember ___ you lost your wallet?
---Yeah. It was at the crossing ___ I got lost.
where was it/ that B. where was it/that
C. The place where/where
D. where it was that/where 第一个空是强调句型用作宾语从句；第二空where引导定语从句，后边省略了that lost my wallet.5. It was five o'clock in the afternoon ___ they climbed up to the top of the mountain．
A．since B．when C．that D．until five o’clock in the afternoon不能独立作时间状语，不能作为一个强调部分；at five o’clock才可以构成独立的时间状语。6. ----Can it __ the manager that talked to your brother?
----No. It ___ someone else that spoke to your brother.
be/must have been B. have been/ must have been
C. have been/must be D. be/ must be 这是强调句型表示判断的用法，对过去情况推测、判断。1. _____ in the regulations that you should not tell other people the password of your e-mail account. A. What is required B. What requires C. It is required D. It requires (2005 上海) 综合练习It 在此作形式主语，实际宾语为that you should… .2. Catherine bought a postcard of the place she was visiting, addressed ____ to _____ and then posted it at the nearby post office. (2006 安徽) A. it; her B. it; herself C. herself; her D. herself; herself addressed it to herself, it 代指the postcard; 意思是“在明信片上写上自己的地址寄给她自己。3. As the busiest woman in Norton, she made _____ her duty to look after all the other people's affairs in that town. A. this B. that C. one D. it (2006 湖南) It 为形式宾语，指代不定式to look after all the other people’s affairs in that town.4. ___ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (2006 浙江) A. What B. That C. This D. It It 形式主语指代that improvements in health care will lead to a stronger,…5. I'd appreciate _____ if you would like to teach me how to use the computer. A. that B. it C. this D. you (2006 山东) It 为形式宾语，指代if you would like to teach me how to use the computer.6. I don‘t like working late into the night， but I can’t help _____.
A. so B. that C. it D. them.I can help it. 为习惯用法，意思是“我实在控制不住”，“这不能怪我”。全句意思是“我不想熬夜，但我控制不住自己。 7. I prefer a flat in Inverness to _______ in Perth, because I want to live near my Mom's. A. one B. that C. it D. this (2005 天津) One不定代词，指代a flat in Perth。全句的意思是：我更在 Inverness有一套房子，而不是在Perth，因为我想住在我妈妈附近。 8. We've been looking at houses but haven't found ____ we like yet. A. one B. ones C. it D. what 考查不定代词的用法。one 指代 a house; what we like我们喜欢的东西，指房子。9. The doctor advised strongly that she should take a holiday, but ____ didn't help. A. it B. she C. which D. heIt 指代前文中的事情。10. Cars do cause us some health problems – in fact far more serious _____ than mobile phones do. A. one B. ones C. it D. those Ones 指的是前边的problems, far more serious ones than mobile phones do 是前边health problems 的同位语, 对health problems 进行补充说明。11. I intended to compare notes with a friend, but unfortunately ______ couldn't spare me even one minute. A. they B. one C. who D. it 从句子结构上，可排除选项C；从代词的意义上可排除D；根据前半句的意思，句中的a friend指任意一个朋友，可理解为a friend 0f mine．而后半句意指“我”这些朋友们，为复数。12. I like ____ in the autumn when the weather is clear and bright. A. this B. that C. it D. oneit是形式宾语，在句中无实意，只是指代句子后面现象：天气晴朗。 13. ---Do you like _____ here ---Oh, yes. The air, the weather, the way of life. Everything is so nice. A. this B. these C. that D. it (2004 全国II) it在这里作形式宾语，无实际意义。而A、B、C须指代具体的东西。 14. We needed a new cupboard for the kitchen. So Peter made ______ from some wood we had. A. it B. one C. himself D. another由题意可知，因为我们需要一个新的，所以Peter就做了一个新的。one表前面提到的同一类人或物，it则指同一物，another指在原来的基础上另外的。
15. ---Your coffee smells great ! ---It's from Mexico. Would you like ______ A. it B. some C. this D. little (2003 春) 根据上下句排除选项C、D；选项A表示上文所谈到事物的整个或全部，选项B表示上句所谈事物的部分。16. Meeting my uncle after all these years was an unforgettable moment, _____ I will always treasure. A. that B. one C. it D. what (2002 全国) one指代moment作同位语，解释是一个永远珍惜的时刻。I will always treasure是定语从句，作one的定语，省略了关系代词which或that。译文：多年后与我叔叔的会面是一个难忘的时刻，一个我将永远珍惜的时刻。 17. ---He was nearly drown once. ---When was _____ ---______ was in 1998 when he was in middle school. A. that; It B. this; This C. this; It D. that; This用that指代上文提到的事，避免了重复；it指代时间。
It的用法 it是常见代词之一，它既可以指代时间、地点、天气、距离等，还能作形式主语或形式宾语，同时可以引起强调结构，是历年高考热点之一。现结合高考试题对其用法作一介绍。一、用来表示时间、天气、地点、距离、环境、形势等。例如：
It is two miles to the beach. (Oxford) 这里到海滨有两英里。
It was raining in the morning. (Oxford) 今天早晨下着雨。
If it’s convenient I can see you tomorrow. (Oxford) 如果方便，我明天能见你。it表示时间常用于句型：
1、It is/has been＋一段时间＋since 从句。意为“自……以来已有多长时间了”或“自不……以来已有多长时间了”。例如： 1）It is/has been many years since I was last in London (P. 136 SEFC Book 2B) 自从我上次到伦敦，已经有许多年了。
2）It’s a long time since we met last. (P. 89 JEFC Book 3) 自从我们上次见面以来已经有很长一段时间了。
2、It is/ was/ will be + 一段时间 + before 从句。表示“在（做某事）前过了多长时间”，或“过了多长时间才……”。如：
But it ________more than 100 years before the country begins once again to look as it did before.
但是在100年之后，这个国家才能恢复到以前的样子。will be二、用来指代人。说明某人的身份或者做某事的人；指代婴儿或儿童；在不清楚某人性别时，也可使用 it，尤其在问答的形式中更为常见。例如：
1. ---Look, someone is coming. Who can it be?
---It may be the headmaster.
---It can’t be him. He has gone to Shanghai.
---It must be Mr. Zhang. He looks like the headmaster. 2. ____Doctor Stone, isn’t it? She’s usually good.
That is B. It is C. This is D. She is
3. ----Is that Doctor Stone?
----Yeah.
----Who is ___?
A. this B. that C. she D. it三、用来指代前文中的内容，或指代整个主句。如：
1. Take your pound of flesh! I declare the court allows it and the law gives it to you. (P. 63 SEFC Book 3A) 割下你要的那一磅肉吧！我宣布法庭允许你这么做，法律把那一磅肉判给你了。2. If it is possible, hod up the part of the body which is bleeding. (P. 44 SEFC Book 2A)
如果可能的话，就把出血的部位抬起来。
3. I was disappointed with the film ，I had expected _______ to be much better．
A．that B．this C．one D．it4. Tom's mother kept telling him that he should work harder, ___ didn't help.
he B. which C. she D. but it
5. It is said that in Australia there is more land than the government knows ___.
A. it what to do with B. how to deal with it
C. what to do with it D. to do what with 6. The Parkers bought a new house, ___will need a lot of work before they can move in.
A．but that B．but it C．one D．which
7. I love swimming, ____ keeps me fit.??
and it B. which C. it D. as
8. They said they had finished the work, but___.
I can’t believe it B. what I can’t believe
C. which I can’t believe D. I don’t believe
四、在一些相对固定的词组中出现，没有特殊含义，经常不翻译。如：
He’s never really made it as an actor. (Oxford) 作为演员，他从未获得过真正的成功。
It is my turn． 轮到我了。
3. That’s just it---I can’t work when you’re making so much noise. (Oxford)
原因就在这儿---你们这么吵，我没法工作。4. ____. I’ve got so much work I don’t know where to start.??
What an awful! B. It’s awful!
C. That was awful! D. As is awful,
5. ___with you??
___ Very well, thank you.
What is going on B. How is it going ??
C. How is everything going ?
D. What is up五、指代不定式、动名词、从句等，用作形式主语或形式宾语。如：
___ always difficult to be in a foreign country, especially if you don’t speak the language.
That is always B. It is always
C. It will be always D. That will always be2. We must make ___ to the public that something should be done to stop pollution.
What is clear B. it is clear
C. It clear D. that clear
3. I hate __ when people talk with their mouths full.
A. it B. that C. these D. them 4. ___ one day they will have enough animals to set them free.
It is hoped for B. what is hoped that
C. As is hoped that D. It is hoped that
5. ____ inside his heart was beating wildly with fear.
A. It appeared calm but B. He appeared calm, but C. What appeared calm was D. It was appeared calm, but用 it 作形式主语或形式宾语的句型主要有:
It + be + adj./ n. (for sb./of sb ) + to do sth.
It + be + fun/ a waste of time/ no good/ no use doing sth.
It ＋be＋过去分词＋that从句
It ＋be＋形容词＋ that从句
5、It ＋be＋名词（词组）＋that从句 Is it possible necessary to tell his father everything?
In fact it is a hard job for the police to keep order in an important football match.
I don’t think it possible to master a foreign language without much memory work.
How silly of you it is to have done it!It + be + adj./ n. (for sb./of sb ) + to do sth. 注意：
该句型中的形容词通常是表示事物的特点或特征的如difficult，hard，easy，impossible，necessary，important等，此时用for；
表示人的性格特征或特点的如nice，good，bad，kind，silly，foolish，wise，clever， careless，rude，brave，cruel，careful， grateful等，这时要用 of。 It + be + fun/ a waste of time/ no good/ no use doing sth.
___ to jump into a river on a hot summer day!
How fun it is B. What fun it is
C. What fun of it is D. What a fun it is
It is no use crying over spilt milk. [谚] 牛奶已泼，哭也无用。It ＋be＋过去分词＋that从句
It is said, reported, announced, hoped, thought，told，believed，expected，decided，suggested, known + that 从句
该句型通常可以转换成sb/sth is said that … 如：
It is said that the book was translated into many languages in 1950.
The book is said to have been translated into many languages in 1950.It ＋be＋形容词＋ that从句
可用于此句型的形容词还有wonderful， true，good，right，wrong，important ，useless，surprising，clear，unusual，lucky，certain等。 如：
1）It is quite certain that he will not make a speech at the meeting.
2）It is important that we (should) study hard. 5、It ＋be＋名词（词组）＋that从句。
适用该句型的名词（词组）还有a pity，an honor，a good thing，a fact，a surprise，good news等。 如：
1）It is a pity (that) you missed the sports meeting last week.
2）___ is a fact that English is being accepted as an international language.
A. There B. This C. That D. It6、It ＋seem／ appear／ happen的适当形式＋that从句。该句型常可以转换成含不定式的简单句。如：
1）It seems that there is a big waste pipe coming down from the town. (P. 31 SEFC Book 3A)
→There seems to be a big waste pipe coming down from the town.2）He appeared calm, but inside his heart was beating wildly with fear. (P.56 SEFC Book 3A)
→It appeared that he was calm, but inside his heart was beating wildly with fear.
7、It doesn‘t matter（It’s no wonder；It doesn‘t make too much difference等）＋ when/ where/ which/ whether 等从句。
如：
1）Does ___ matter if he can't finish the job on time?
A. this B. that C. he D. it2）They are all classmates．___ is no wonder ___ they should help each other with their studies．（上海 98）
A．This；whether B．It；if C．That；that D．It；that 8、S. + v. it + adj. / n./ + 不定式或从句。
常用于这一句型的动词有 find, consider, feel, make, think 等。如：
1）…he found it important to study the situation in Russia.
2）I want to make it clear whether she is still at school. 3）I feel it our duty to study English well.
4）I don't think ___ possible to master a foreign language without much memory work. (NMET 90)
A. this B. that C. its D. it
1. Was it Bill, ___ plays football well, ___ helped the blind man cross the road.
that/that B. who/that
C. who/who C. that/who
六、it 用来引起强调句型 Who 引导一个非限定性定语从句修饰Bill; that 指代被强调部分Bill.2. It was in the school, ___ I once studied, ___we held a party.
正是在我曾经就读的那所学校我们举行了一次聚会.
where/that B. in which/ that
C. that/where D.that/in whichwhere I once studied 非限定性定语从句修饰school。3. It was in the 1990s, ___ great changes were taking place in china, ___he made a lot of money. 正是在中国发生着巨大变化的二十世纪九十年代,他挣了大把的钞票.
that /when B. during which/that
C. when/that D. that/that强调部分in the 1990s 后跟了一个非限定性定语从句。4. ---Where did you meet him?
---It was in the park ____ his wife and he first met.
A. that B. where C. in which D. when这是个强调举行的省略句，完整句子是：It was in the park where his wife and he first met that I met him. 4. ---Do you still remember ___ you lost your wallet?
---Yeah. It was at the crossing ___ I got lost.
where was it/ that B. where was it/that
C. The place where/where
D. where it was that/where 第一个空是强调句型用作宾语从句；第二空where引导定语从句，后边省略了that lost my wallet.5. It was five o'clock in the afternoon ___ they climbed up to the top of the mountain．
A．since B．when C．that D．until five o’clock in the afternoon不能独立作时间状语，不能作为一个强调部分；at five o’clock才可以构成独立的时间状语。6. ----Can it __ the manager that talked to your brother?
----No. It ___ someone else that spoke to your brother.
be/must have been B. have been/ must have been
C. have been/must be D. be/ must be 这是强调句型表示判断的用法，对过去情况推测、判断。1. _____ in the regulations that you should not tell other people the password of your e-mail account. A. What is required B. What requires C. It is required D. It requires (2005 上海) 综合练习It 在此作形式主语，实际宾语为that you should… .2. Catherine bought a postcard of the place she was visiting, addressed ____ to _____ and then posted it at the nearby post office. (2006 安徽) A. it; her B. it; herself C. herself; her D. herself; herself addressed it to herself, it 代指the postcard; 意思是“在明信片上写上自己的地址寄给她自己。3. As the busiest woman in Norton, she made _____ her duty to look after all the other people's affairs in that town. A. this B. that C. one D. it (2006 湖南) It 为形式宾语，指代不定式to look after all the other people’s affairs in that town.4. ___ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (2006 浙江) A. What B. That C. This D. It It 形式主语指代that improvements in health care will lead to a stronger,…5. I'd appreciate _____ if you would like to teach me how to use the computer. A. that B. it C. this D. you (2006 山东) It 为形式宾语，指代if you would like to teach me how to use the computer.6. I don‘t like working late into the night， but I can’t help _____.
A. so B. that C. it D. them.I can help it. 为习惯用法，意思是“我实在控制不住”，“这不能怪我”。全句意思是“我不想熬夜，但我控制不住自己。 7. I prefer a flat in Inverness to _______ in Perth, because I want to live near my Mom's. A. one B. that C. it D. this (2005 天津) One不定代词，指代a flat in Perth。全句的意思是：我更在 Inverness有一套房子，而不是在Perth，因为我想住在我妈妈附近。 8. We've been looking at houses but haven't found ____ we like yet. A. one B. ones C. it D. what 考查不定代词的用法。one 指代 a house; what we like我们喜欢的东西，指房子。9. The doctor advised strongly that she should take a holiday, but ____ didn't help. A. it B. she C. which D. heIt 指代前文中的事情。10. Cars do cause us some health problems – in fact far more serious _____ than mobile phones do. A. one B. ones C. it D. those Ones 指的是前边的problems, far more serious ones than mobile phones do 是前边health problems 的同位语, 对health problems 进行补充说明。11. I intended to compare notes with a friend, but unfortunately ______ couldn't spare me even one minute. A. they B. one C. who D. it 从句子结构上，可排除选项C；从代词的意义上可排除D；根据前半句的意思，句中的a friend指任意一个朋友，可理解为a friend 0f mine．而后半句意指“我”这些朋友们，为复数。12. I like ____ in the autumn when the weather is clear and bright. A. this B. that C. it D. oneit是形式宾语，在句中无实意，只是指代句子后面现象：天气晴朗。 13. ---Do you like _____ here ---Oh, yes. The air, the weather, the way of life. Everything is so nice. A. this B. these C. that D. it (2004 全国II) it在这里作形式宾语，无实际意义。而A、B、C须指代具体的东西。 14. We needed a new cupboard for the kitchen. So Peter made ______ from some wood we had. A. it B. one C. himself D. another由题意可知，因为我们需要一个新的，所以Peter就做了一个新的。one表前面提到的同一类人或物，it则指同一物，another指在原来的基础上另外的。
15. ---Your coffee smells great ! ---It's from Mexico. Would you like ______ A. it B. some C. this D. little (2003 春) 根据上下句排除选项C、D；选项A表示上文所谈到事物的整个或全部，选项B表示上句所谈事物的部分。16. Meeting my uncle after all these years was an unforgettable moment, _____ I will always treasure. A. that B. one C. it D. what (2002 全国) one指代moment作同位语，解释是一个永远珍惜的时刻。I will always treasure是定语从句，作one的定语，省略了关系代词which或that。译文：多年后与我叔叔的会面是一个难忘的时刻，一个我将永远珍惜的时刻。 17. ---He was nearly drown once. ---When was _____ ---______ was in 1998 when he was in middle school. A. that; It B. this; This C. this; It D. that; This用that指代上文提到的事，避免了重复；it指代时间。