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北 京 四 中
撰 稿：毕 勤 编 审：李俊和 责 编：任淑弘
Unit 4 Unforgettable experiences
一、课文讲解
1.Flora heard somebody shouting.
Flora听到有人大喊。
hear 为感官动词，后接do(听到某人做过某事), doing(听到某人正在做某事)
I heard him playing the piano at 8:00 last night.
我听到他昨晚８点在弹钢琴。
2.There she saw a big mass of water that was quickly advancing towards
her.
在那儿，她看见大量的水向她快速袭来。
该句中water做先行词，后接一个定语从句。
a mass of/ masses of大量的，后接可数名词或不可数名词。
The ship cut its way slowly through masses of ice.
那艘轮船慢慢地在一块块冰中行驶。
In the western sky, there were masses of clouds.
西部的天空中飘着大团大团的云彩。
3.She was so surprised that she couldn’t move.
她如此吃惊，以至于不能动。
so…that… 意为“如此…以至于…”；其用法如下：
He runs so fast that the rest cannot catch up with him. (接副词)
他跑得如此快，以至于其他人都跟不上他。
It is so hot that we want to go swimming. (接形容词)
It is so hot a day that we want to go swimming. (接形容词，a/an再接名词)
天太热了，我们想去游泳。
The flowers are so beautiful that we want to pick a few.
花太漂亮了，我们想摘几朵。
4.“Run!” Jeff shouted, seizing her arm.
Jeff抓住她的胳膊，大声喊到“快跑”。
句中seizing her arm为分词做伴随状语。
He sat there, looking at the sky.
他坐在那里看天空。
I stood there, not knowing what to do.
我站在那里，不知道做什么。
5.Now, the water, which was as cold as ice and flowed faster than a river,
was above her knees.
现在，冰凉的洪水快速流过她的膝盖。
该句的主语为water，谓语动词为was，which…是一个非限制性定语从句，修饰water。
The dog, which was very old, died.
那条老狗死了。
My brother, who works in the army, came back home last night.
我哥哥在部队工作。他昨晚回来了。
6.Another wave struck the house, and a strange cracking noise began.
又一个波浪袭击了他们的房屋，与此同时他们还听到了一个奇怪的好象是有东西破裂的噪音。
strike 有几层含义，在该句中它的意思是“袭击（多指自然灾害）”
An earthquake struck Boston in 1990.
1990年波士顿发生了地震。
strike还可意为“钟敲了几下”，“划火柴”，“敲打”，“给某人留下深刻印象”
The clock struck 12.
钟敲了12下。
He struck a match and lit a cigarette.
他划了一根火柴，点燃了一支烟。
What struck me most is the beautiful sunset there.
那里的日落美景给我留下深刻的印象。
strike当名词用，意为“罢工”
The workers go on strike to ask for higher pay.
为了提高工资，工人们举行了罢工。
二、重点难点解析
1. 词汇与句型
1)be caught in 陷于……中
例题: He was caught ____ the rain.
A. by B. in
C. at D. through
答案为B，was caught虽然是被动语态但是be caught in为固定搭配。
2)fall down 倒下
例题：The book ____ the table. It’s on the floor now.
A. fell down B. fell off
C. fell down off D. fell down onto
答案为B。The book fell down from the table. The book fell down onto the
floor.也对。fall off 意为“脱离某一物体掉下来”。
又如：
Leaves fall off trees in autumn.
秋天树叶从树上落下来。
2. 词语辨析
1)be afraid to do, be afraid of doing
be afraid to do 害怕做某事
be afraid of doing 害怕做某事；担心某事会发生
误句：He is afraid to fall into the river; that’s why he dare not swim.
正句：He is afraid of falling into the river; that’s why he dare not swim.
2)on fire, catch fire
on fire 着火，表状态
catch fire 着火，表动作
误句：Don’t put the paper near the fire in case it is on fire.
正句：Don’t put the paper near the fire in case it catches fire.
3)newspaper, paper
newspaper 报纸，可数
paper 纸，不可数，但是当报纸，论文解时可数
误句：There is a piece of newspaper on the floor.
正句：There is a piece of paper on the floor.
4)forget to do, forget doing
forget to do 忘记要去做某事
forget doing 忘记做过某事
误句：Don’t forget letting me know the result.
正句：Don’t forget to let me know the result.
5)trip, journey, voyage, tour
trip 旅行，短期的陆路的旅行
journey 旅行，长期的陆路的旅行
voyage 旅行，海路的旅行
tour 旅行，随团的旅行
误句：I’d like to go on a one-day journey to the Great Wall.
正句：I’d like to go on a one-day trip to the Great Wall.
3. 语法知识
定语从句
在复合句中，修饰某一名词或代词的从句叫定语从句。
如果先行词是人，则可用who, whom, whose或that来引导。
who在定语从句中作主语。
whom在定语从句中作宾语。
whose在定语从句中作定语。
that既可指人也可指物。
如果先行词是物，则可用which或that来引导。which只能指物，不能指人。
This is the doctor who (that) saved the boy’s life.
这就是救了那个男孩生命的医生。
Do you know the house whose windows were broken?
你知道那个坏了窗户的房子吗？
Everything (that) he did is wrong.
他做的每件事情都是错的。
I’ve read all the books (that) you gave me.
你给我的每本书我都读过了。
This is the factory (which/that) I visited last year.
这就是我去年参观过的那家工厂。
This is the first letter (that) he has written.
这是他写的第一封信。
例题：I’m going to meet Tom ____ they say is a good boy.
A. who B. whom
C. whose D. which
答案为A，they say做插入语，该定语从句缺主语，所以选A.
三、实战练习
I.单项选择
1.It took Lucy quite a while to ____.
A. pull herself away B. pull herself up
C. pull herself out D. pull herself off
2.---It’s so cold today!
---Yes, winter is ____.
A. around the corner B. in the corner
C. on the corner D. at the corner
3.The workers ____ trees to build houses.
A. cut off B. cut up
C. cut away D. cut down
4.She has ____ a lot since her son was killed in the fire.
A. gone on B. gone off
C. gone through D. gone into
5.He fought ____ his brothers ____ their classmates.
A. with, against B. with, for
C. against, with D. for, against
6.Hay(干草) is easy to ____.
A. be on fire B. catch fire
C. make fire D. set fire
7. The old woman was heard ____ last night.
A. cry B. being cried
C. to cry D. having been cried
8. ____ while the iron is still hot.
A. Hit B. Beat
C. Strike D. Go
9. The man ____ legs were broken is a friend of mine.
A. who B. whose
C. whom D. that
10. He is afraid ____ home because he is afraid ____ by his step-mother.
A. to go, of being beaten
B. to go, to be beaten
C. of going, of being beaten
D. of going, to be beaten
II. 完形填空
Most Cantonese begin their day with morning tea, which is really 11 .
Every morning from 8a.m. to nearly 11am, all restaurants in Guangzhou
are12 with people especially on Sunday or festivals. When you 13
a restaurant, you can 14 your favorite tea while eating some
delicious food of your choice. It’s a 15 occasion(场合), particularly
when with 16 or some close friends. People can 17 freely
and exchange their different opinions. Businessmen can even get their
contracts 18 in such talks.
The evening tea is an important part of the evening 19 of the
Cantonese. They usually
20 evening tea which begins from 8p.m. until far into the night.
Evening tea seems more 21 ,for you can 22 your
time to sit and talk with your friends as long as you like. There is no 23 at
all. Of course, drinking or eating is not the 24 purpose.
It is indeed a common 25 to relax(放松) after a day’s work.
11.A. tea B. breakfast C. lunch
D. main meal
12.A. lonely B. far C. crowded D. free
13.A. enter B. leave C. pass
D. stay
14.A. make B. buy C. change
D. enjoy
15.A. quiet B. wonderful C. sad
D. strange
16.A. leaders B. family C. cooks
D. visitors
17.A. work B. eat C. talk
D. play
18.A. talked B. done C. paid
D. hidden
19.A. work B. life C. sleep
D. meal
20.A. keep B. boil C. sell
D. have
21.A. tiring B. surprising C. interesting D. healthy
22.A. save B. take C. play
D. stop
23.A. money B. person C. fun
D. hurry
24.A. simply B. real C. good
D. wrong
25.A. idea B. meal C. evening
D. way
III、拓展资料
Fire
Few things are more frightening than a fire. Fires kill, destroy homes
and leave survivors with painful, disfiguring injuries. Worse still, fire
is often cruelest to the very young, the elderly and the infirm(弱的). Smoke
detectors and sprinkler systems can be very effective in reducing injuries,
loss of life and property damage. Yet, clearly the best solution is to
prevent fires from starting.
Fires start in three main ways: accidents (including natural
events such as lightning), deliberate ignition(蓄意的纵火), and equipment failure
including electrical shorts and overheating.
Fires can be prevented and their hazards(危险) reduced
by:
Using non-combustible(易燃的) materials which are less likely to ignite
and spread fire.
Treating flammable(易燃的) materials to make them more resistant(有抵抗力的)
to ignition and flame propagation(传播).
Designing buildings that are more resistant to the hazards of fires.
Using fire-stop barriers to confine fires that do start.
Installing(安装) smoke detectors(探测器), fire alarms and sprinkler(撒水) systems.
答案：1-5 BADCA 6-10 BCCBA 11-15 BCADB 16-20 BCBBD
21-25
CBDBD
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