Unit 4 Global warming一轮复习学案第一课时（人教实验选修六）
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| 名称 | Unit 4 Global warming一轮复习学案第一课时（人教实验选修六） |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2010-12-18 09:55:00 | ||
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Module6 unit4一轮复习学案第一课时（人教实验选修六）
1、重点词汇
考点一 compare
【基础过关】vi&vt.n.比较,对照,比喻,比作
Phrases: compare...with 和….比较 compare ... to 把….比作
beyond/past/ without compare 无与伦比 compared to/with…和….比较
compare notes 对笔记, 交换意见
We often compare notes after class.下课后我们经常对笔记.
【拓展延伸】comparative adj.比较的 comparable adj.可比较的, 类似的
comparison n.比较,对照,比喻 for comparison 供比较；对照
by comparison 比较起来 by/in comparison with/ to---与---比较起来
By comparison with him, I’m young. 和他相比我年轻。
【点拨】compare...with 和….比较 compare ... to 把….比作；只能用to
【典型例题】
The girl _____Susan, who often helps other people,___LeiFeng in this university.
A. whose name is; comparing with B. calling; is compared to
C. who called; compares to D. called; is compared to
【答案】D :本题考查compare to和call的用法
【点拨】分析句意为:那个名叫Susan的女孩经常帮助别人,被比作我们大学里的雷锋.sb be called 名字叫,compare sb. to 把….比作。
考点二 glance
【基础过关】v.＆n.粗略地看一下,一瞥,扫视
Phrases: glance at 匆匆瞥一眼 give/take a glance at/to/over/into 对...匆匆一看, 一瞥
at a glance=at the first glance 初[乍]一看就-----
She fell in love with him at the first glance. 她第一次见到他就爱上了他.
【点拨】辨析 glance, glare, stare, glimpse
glance 快速地看某人或某事一眼。 glare 指以强烈的敌意或怒气，怒目而视；
stare 指睁大眼睛精力集中的凝视某人或某物。Glimpse瞥见，指快速看到的人或物，结果。
【典型例题】
She ____ shyly at him out of the corners of her eyes.
A. stared B. glanced C. peeped D. glared
【答案】B 本题考查与glance相似的几个词的区别.
【点拨】句意为:她用眼角害羞地瞥了他一眼。stare盯着看,glance匆匆看一眼,peep(从小孔里)偷看,窥视,glare怒目而视,
考点三 quantity
【基础过关】
n. 数量，量】
Phrases: （huge） quantities of 许多，大量；
a quantity of 许多，大量 （可数；不可数）
in quantity 批量，大量
It’s cheaper to buy goods in quantity. 货物大批量购买便宜。
【典型例题】
The temperature all over the world is becoming warmer and warmer for____ gases have come into the air.
A. a great deal of B. a large amount of C. much D. a large quantity of
【答案】D 考查形容词短语。
【点拨】排除法去做。ABC均修饰不可数名词。此处gases为可数名词。
考点四 average
【基础过关】1）n. 平均数；平均水平
Do you know how to work out an average? 你知道如何计算平均数码？
2）adj. 平均的，普通的
There’s nothing special about him, he’s only average. 他没有什么特别的是个普通人。
3）vt. 计算---的平均值
His work averages eight hours a day,
【拓展延伸】 on average 通常；按平均； above/below average 高于/低于平均水平
An average of ------的平均数 up to average 达到一定水准
Average sth, out 算出---的平均数
On average, men smoke more than women.
【典型例题】
---It is said the____ letters she receives a day is five.
----No wonder she is always writing.
【答案】C 考查形容词辨析。
【点拨】由the____ letters she receives a day is five.可知“平均每天收信为五封”平均的意思。
考点五 so/as long as
【基础过关】在…的时间之内; 以…为条件；只要
I'll stay as long as I can.我能呆多久就呆多久。
只要他不到，我就不离开。
【拓展延伸】as far as 远及；就…而论
As far as I know, he has gone to town.
就我所知，他到镇子上去了。
【典型例题】
The path extends _______the river.
A. as far as B. as long as C. as far D. so long
【答案】A 考查连词用法。
【点拨】按照句意此处有远道---的意思；as far as符合。
考点六 blame
【基础过关】v.埋怨,责备
Phrases: be to blame 应受谴责,应负责任
blame something on sb. 把…归咎于
blame sb.for sth./doing sth 因…而责备某人
You shouldn’t blame your son for not having done his homework.
【拓展延伸】blameful adj. 该受责备的,有过错的 blamefully adv.
blameless adj. 无可责难的,无过错的 blamelessly adv.
blameworthy adj. 该受责备的
【典型例题】
He deserved to ____ his carelessness.
A. blamed for B. be blamed for C. blame for D. be blame for
【答案】C 考查blame的用法。
【点拨】由句意可知be to blame 应受谴责,应负责任，不能用被动语态。
考点七 keep on doing sth =continue/go on doing sth
【基础过关】 继续干某事
Prices keep on increasing this year. 今年的物价在不断上涨。
【点拨】 keep doing和keep on doing都可表示“不断（老是）做某事”的意思，强调动作连续不断，每隔一会儿发生，这时两者可以换用。
keep doing还可表示连续不断的动作或持续的状态。keep on doing则没有这种用法。而强调“继续干某事”（尽管动作是时断时续）时，常用keep on doing sth。
We kept working in the fields in spite of the rain. 尽管下雨，我们还是坚持在地里干活。
【拓展延伸】
Phrases: keep up 持续，维持 keep up with 跟上
keep down 控制，压制 keep back 忍住，隐瞒
keep off 让开，不接近 keep---in mind 记住
keep in touch with 保持联系
He had to hurry to keep up with them.
【典型例题】
I’m putting on weight. The door has warned me to____ sugar .
A. keep up B. keep back C. keep off D. keep on
【答案】C 考查动词短语辨析。
【点拨】按照句意：我在发胖，医生警告我不要多吃糖可知。Keep off 不接近，让开符合句意。keep up 持续，维持; keep back 忍住，隐瞒; keep on继续均不合适。
2. 重点句型
考点八 独立主格结构
独立主格结构也叫符合结构，由名词/代词加上分词等构成，表示时间、原因、条件、方式、伴随、补充说明等，常见组成：
名词/代词+ing分词； 名词/代词+ed分词；名词/代词+不定式；名词/代词+形容词；
名词/代词+介词短语或副词；名词/代词+名词
So much work to do, we have no time to play. 因为有这么多的作业要做，我们没有时间去玩。（表示原因）
【点拨】使用独立主格要注意：1）独立主格一般用逗号或破折号同主句隔开；2）表示虚意的逻辑主语it有时可以省略不写；3）there be 结构的独立主格为there being+n.等。
4）用来简化 前后主语不一致的句子。
(It)being Sunday,there are no students in the school.
There being another chance, he will try his best.
【典型例题】
I study you ten books today, there rest___in a few days.
A. follows B. followed C. to follow D. being followed
【答案】C 考查动词形式。
【点拨】根据句子意思，分析句子结构，若前后都用句子，后句前需用连词，排除A；in a few days.表示将来，表未做故选C构成独立主格结构。
考点九 疑问词+to do 结构
【基础过关】疑问词+to do 结构在句中可以作主语、宾语、表语，相当于一个主语从句、宾语从句或同位语从句。
I don’t know when to start the plan.=I don’t know when I will start the plan.
【点拨】1）疑问词（when,where,who,what,whom,whether,how）+to do,不用why
2) 疑问词+to do作主语时，谓语动词用单数。
【典型例题】
I have worked with children, so I know what____ in my job.
A. expected B. to expect C. being expected D. expecting
【答案】B 考查疑问词+to do 结构。
【点拨】分析句子结构前后主动关系，表示未做，用what+to do
【实战演练】
________ you promise to come to help me, I don’t mind what time tomorrow you arrive at my place.
A. So long as B. So far as C. As good as D. As well as
There are many inconveniences (不方便) that have to be ______ when you are camping.
A. put up with B. put up C. put off D. put away
—How do you like the film?
—There was nothing special –it was only _______.
A. average B. usual C. normal D. common
Here’s one of the best ways to protect you skin—_____ too much sunshine.
A. not to absorb B. not having absorbed
C. having not absorbed D. don’t absorb
______ in natural gas and oil, so this area is worth developing.
A. Being rich B. It is rich C. It being rich D. To be rich
______ that no one enjoys ______.
A. He seems; to be looked down on B. He is seemed; being looked down upon
C. It seems; to be looked down upon D. It seems; being looked down upon
— It’s a long time _____ I saw you last.
Yes, and what a pity! It will be a long time ____ we see each other again.
A. before, since B. since, before C. when, whenD. since, when
8._____with the size of the whole earth,the bigger ocean doesn’t seen big at all.
A.compare B.when comparing
C.comparing D.when compared
9. It was still _____range of my gun ,_____I didn’t want to shoot at it any longer.
A out of ; but B beyond ;however
C within ;but D on; so
参考答案 1-9 AAAAB DBDC
1、重点词汇
考点一 compare
【基础过关】vi&vt.n.比较,对照,比喻,比作
Phrases: compare...with 和….比较 compare ... to 把….比作
beyond/past/ without compare 无与伦比 compared to/with…和….比较
compare notes 对笔记, 交换意见
We often compare notes after class.下课后我们经常对笔记.
【拓展延伸】comparative adj.比较的 comparable adj.可比较的, 类似的
comparison n.比较,对照,比喻 for comparison 供比较；对照
by comparison 比较起来 by/in comparison with/ to---与---比较起来
By comparison with him, I’m young. 和他相比我年轻。
【点拨】compare...with 和….比较 compare ... to 把….比作；只能用to
【典型例题】
The girl _____Susan, who often helps other people,___LeiFeng in this university.
A. whose name is; comparing with B. calling; is compared to
C. who called; compares to D. called; is compared to
【答案】D :本题考查compare to和call的用法
【点拨】分析句意为:那个名叫Susan的女孩经常帮助别人,被比作我们大学里的雷锋.sb be called 名字叫,compare sb. to 把….比作。
考点二 glance
【基础过关】v.＆n.粗略地看一下,一瞥,扫视
Phrases: glance at 匆匆瞥一眼 give/take a glance at/to/over/into 对...匆匆一看, 一瞥
at a glance=at the first glance 初[乍]一看就-----
She fell in love with him at the first glance. 她第一次见到他就爱上了他.
【点拨】辨析 glance, glare, stare, glimpse
glance 快速地看某人或某事一眼。 glare 指以强烈的敌意或怒气，怒目而视；
stare 指睁大眼睛精力集中的凝视某人或某物。Glimpse瞥见，指快速看到的人或物，结果。
【典型例题】
She ____ shyly at him out of the corners of her eyes.
A. stared B. glanced C. peeped D. glared
【答案】B 本题考查与glance相似的几个词的区别.
【点拨】句意为:她用眼角害羞地瞥了他一眼。stare盯着看,glance匆匆看一眼,peep(从小孔里)偷看,窥视,glare怒目而视,
考点三 quantity
【基础过关】
n. 数量，量】
Phrases: （huge） quantities of 许多，大量；
a quantity of 许多，大量 （可数；不可数）
in quantity 批量，大量
It’s cheaper to buy goods in quantity. 货物大批量购买便宜。
【典型例题】
The temperature all over the world is becoming warmer and warmer for____ gases have come into the air.
A. a great deal of B. a large amount of C. much D. a large quantity of
【答案】D 考查形容词短语。
【点拨】排除法去做。ABC均修饰不可数名词。此处gases为可数名词。
考点四 average
【基础过关】1）n. 平均数；平均水平
Do you know how to work out an average? 你知道如何计算平均数码？
2）adj. 平均的，普通的
There’s nothing special about him, he’s only average. 他没有什么特别的是个普通人。
3）vt. 计算---的平均值
His work averages eight hours a day,
【拓展延伸】 on average 通常；按平均； above/below average 高于/低于平均水平
An average of ------的平均数 up to average 达到一定水准
Average sth, out 算出---的平均数
On average, men smoke more than women.
【典型例题】
---It is said the____ letters she receives a day is five.
----No wonder she is always writing.
【答案】C 考查形容词辨析。
【点拨】由the____ letters she receives a day is five.可知“平均每天收信为五封”平均的意思。
考点五 so/as long as
【基础过关】在…的时间之内; 以…为条件；只要
I'll stay as long as I can.我能呆多久就呆多久。
只要他不到，我就不离开。
【拓展延伸】as far as 远及；就…而论
As far as I know, he has gone to town.
就我所知，他到镇子上去了。
【典型例题】
The path extends _______the river.
A. as far as B. as long as C. as far D. so long
【答案】A 考查连词用法。
【点拨】按照句意此处有远道---的意思；as far as符合。
考点六 blame
【基础过关】v.埋怨,责备
Phrases: be to blame 应受谴责,应负责任
blame something on sb. 把…归咎于
blame sb.for sth./doing sth 因…而责备某人
You shouldn’t blame your son for not having done his homework.
【拓展延伸】blameful adj. 该受责备的,有过错的 blamefully adv.
blameless adj. 无可责难的,无过错的 blamelessly adv.
blameworthy adj. 该受责备的
【典型例题】
He deserved to ____ his carelessness.
A. blamed for B. be blamed for C. blame for D. be blame for
【答案】C 考查blame的用法。
【点拨】由句意可知be to blame 应受谴责,应负责任，不能用被动语态。
考点七 keep on doing sth =continue/go on doing sth
【基础过关】 继续干某事
Prices keep on increasing this year. 今年的物价在不断上涨。
【点拨】 keep doing和keep on doing都可表示“不断（老是）做某事”的意思，强调动作连续不断，每隔一会儿发生，这时两者可以换用。
keep doing还可表示连续不断的动作或持续的状态。keep on doing则没有这种用法。而强调“继续干某事”（尽管动作是时断时续）时，常用keep on doing sth。
We kept working in the fields in spite of the rain. 尽管下雨，我们还是坚持在地里干活。
【拓展延伸】
Phrases: keep up 持续，维持 keep up with 跟上
keep down 控制，压制 keep back 忍住，隐瞒
keep off 让开，不接近 keep---in mind 记住
keep in touch with 保持联系
He had to hurry to keep up with them.
【典型例题】
I’m putting on weight. The door has warned me to____ sugar .
A. keep up B. keep back C. keep off D. keep on
【答案】C 考查动词短语辨析。
【点拨】按照句意：我在发胖，医生警告我不要多吃糖可知。Keep off 不接近，让开符合句意。keep up 持续，维持; keep back 忍住，隐瞒; keep on继续均不合适。
2. 重点句型
考点八 独立主格结构
独立主格结构也叫符合结构，由名词/代词加上分词等构成，表示时间、原因、条件、方式、伴随、补充说明等，常见组成：
名词/代词+ing分词； 名词/代词+ed分词；名词/代词+不定式；名词/代词+形容词；
名词/代词+介词短语或副词；名词/代词+名词
So much work to do, we have no time to play. 因为有这么多的作业要做，我们没有时间去玩。（表示原因）
【点拨】使用独立主格要注意：1）独立主格一般用逗号或破折号同主句隔开；2）表示虚意的逻辑主语it有时可以省略不写；3）there be 结构的独立主格为there being+n.等。
4）用来简化 前后主语不一致的句子。
(It)being Sunday,there are no students in the school.
There being another chance, he will try his best.
【典型例题】
I study you ten books today, there rest___in a few days.
A. follows B. followed C. to follow D. being followed
【答案】C 考查动词形式。
【点拨】根据句子意思，分析句子结构，若前后都用句子，后句前需用连词，排除A；in a few days.表示将来，表未做故选C构成独立主格结构。
考点九 疑问词+to do 结构
【基础过关】疑问词+to do 结构在句中可以作主语、宾语、表语，相当于一个主语从句、宾语从句或同位语从句。
I don’t know when to start the plan.=I don’t know when I will start the plan.
【点拨】1）疑问词（when,where,who,what,whom,whether,how）+to do,不用why
2) 疑问词+to do作主语时，谓语动词用单数。
【典型例题】
I have worked with children, so I know what____ in my job.
A. expected B. to expect C. being expected D. expecting
【答案】B 考查疑问词+to do 结构。
【点拨】分析句子结构前后主动关系，表示未做，用what+to do
【实战演练】
________ you promise to come to help me, I don’t mind what time tomorrow you arrive at my place.
A. So long as B. So far as C. As good as D. As well as
There are many inconveniences (不方便) that have to be ______ when you are camping.
A. put up with B. put up C. put off D. put away
—How do you like the film?
—There was nothing special –it was only _______.
A. average B. usual C. normal D. common
Here’s one of the best ways to protect you skin—_____ too much sunshine.
A. not to absorb B. not having absorbed
C. having not absorbed D. don’t absorb
______ in natural gas and oil, so this area is worth developing.
A. Being rich B. It is rich C. It being rich D. To be rich
______ that no one enjoys ______.
A. He seems; to be looked down on B. He is seemed; being looked down upon
C. It seems; to be looked down upon D. It seems; being looked down upon
— It’s a long time _____ I saw you last.
Yes, and what a pity! It will be a long time ____ we see each other again.
A. before, since B. since, before C. when, whenD. since, when
8._____with the size of the whole earth,the bigger ocean doesn’t seen big at all.
A.compare B.when comparing
C.comparing D.when compared
9. It was still _____range of my gun ,_____I didn’t want to shoot at it any longer.
A out of ; but B beyond ;however
C within ;but D on; so
参考答案 1-9 AAAAB DBDC