资源简介

(共67张PPT)
Unit 4
Natural Disasters
Period 3 Discovering Useful Structures
在句中修饰名词或代词的成分叫定语。
They are talking about a maths problem.
It is very near from here to his school.
The man upstairs is a professor of Shandong University.
The picture on the wall was drawn by my daughter.
课前自主预习
New words
The volcano in this place erupted suddenly.
erupt
eruption n.
The government supplied plentiful supplies to this area.
supply
Supply and demand 供求关系
supply
offer
provide
provide sth to sb
supply sb with sth
supply sth to sb.
offer sb，sth
offer sth to sb
提供某人某物
Caffeine， a chemical typically found in coffee，has caused a lot of concern because it is one of the few drugs that show up regularly in our________________。
food supply
Let′s play
1. Scientists say Mount Pinatubo could ________ again soon. (eruption)
2. The school provided food __________the students.
erupt
for
3. The cars will be supplied _________ people all over
the country.
4. She offered me to a cup of tea.
5. They provided us _______all the books we need.
to
with
关系代词引导的定从
He is Han haolin，who plays the role of little Fanxian.
先行词
定语从句
关系代词
定语从句定义：在从句中修饰某一名词代词的从句。
一、定语从句的定义
先行词
关系词
定语从句
＋
＋
指代先行词
连接主句和从句
在从句中充当成分
二、定语从句的关系代词
关系代词 先行词 在句子所做的成分
主语、宾语、表语
物
人 主语、宾语
人
人、物
主语、宾语表语
人、物
主语、宾语
宾语
人、物
定语
that
which
Who
Whom
whose
as
关系代词的用法
1. that 既可指人也可指物，在定语从句中可作主语、宾
语或表语，作宾语时可省略。
The number of people _________ come to visit this city each year reaches one million.
(指人，作主语)
that
This is the suitcase _________ she is looking for.
( that )
2. which 指物，在定语从句中可作主语或宾语，作宾
语时可省略。
They ignored the details _________ might account for the accident.
他们忽略了那些或许可以解释事故发生原因的细节。
which
(作主语)
3. who 指人，在定语从句中可作主语或宾语，作宾语
时可省略。
Ye are concerned about people ___________have suffered a lot in the earthquake.
Danny was the man ________we rescued from the ruins.
who
(作主语)
(作宾语)
who
4. whom 指人，在定语从句中作宾语，可省略，也可
用who代替。
Rose is the person _______________you should care about.
罗丝是你应该关心的人。
(who/whom)
(作宾语)
5. whose 既可指人也可指物，表“所属”关系，在定
语从句中作定语。
I know the person____________ house was totally destroyed in the earthquake.
我认识那个人，他的房子在地震中被彻底推毁了。
whose
(作定语)
误区警示
① 关系代词指代先行词在定语从句中充当主语、宾语、表语或定语，因此定语从句中不能再出现关亲代词所替代的名词或代词。
昨天晚上我们看的两部电影非常吓人
The film that /which we saw it last night was very frightening.
The film (that /which) we saw last night was very frightening.
② 关亲代词在从句中作主语时不能省略，作宾语时可以省略。
Is that the girl__________________ you spoke of the other day.
那就是你前几天所提的女孩吗
(whom /who/that )
三、宜用that就不宜用 which引导定语从句的情况
1. 当先行词被序数词或形容词最高级修饰时。
The first thing _______ you should do is call the police right away.
This is the most delicious food _______ I have ever had.
that
that
2. 当先行词是 all, any, little, few, much, ever anything，
nothing，none 等不定代词或被这些词修饰时。
All ________can be done has been done.
Tell me everything ________ you know
Please send us any information _______you have about the subject.
that
that
that
3. 当先行词被由 the only， the very， the last， the same
等修饰时。
The only thing _________ she could do was to go to the Police for help.
This is the very book _________I want to buy.
that
that
4. 当先行词既包括人又包括物时。
Sometimes we should ignore the persons and things __________upset us.
that
5. 当主句是以who或者 which开头的特殊疑问句时。
Which of the books _________ you bought is the most useful for my writing
你买的书中哪一本对我的写作最有用
that
四、宜用 which不宜用that引导定语从句的情况
1.引导非限制性定语从句时。
Football，___________is an interesting game，is very popular all over the world
足球是一项有趣的运动，在全世界非常受欢迎。
which
2. 当关系代词前有介词时。
This is the house in _________ Mo Yan once lived.
这就是莫言曾经住过的房子。
which
五、定语从句中的主谓一致
1. 关系代词在从句中作主语时，定语从句谓语动词的形式根据_________的形式确定.
The old town has narrow streets and small houses that ______ built close to each other.
旧城区的街道狭窄，房子小，彼此挨得很近
先行词
are
I′m fond of that Piece of music which _______popular with the teenage.
我喜欢在青少年中流行的那支曲子。
is
One of＋复数名词＋定语从句(复数谓语)
2
the only one of＋复数名词＋定语从句(单数谓语)
He is one of the students who________ a good command of French.
他是精通法语的学生之ー。( the students为先行词)
have
He is the only one of the students who___________ a good command of French.
他是学生中唯一精通法语的。
( the only one 为先行词)
has
六、关系代词 as 引导的定语从句
1. as 既可指人也可指物。在定语从句中可作主语、宾语或表语。
它常用在 the same…as，such，as.等结构中as不能省略。
Such reasons _____we give can persuade him to give up his foolish plan.
I′ll buy the same dictionary______ you have.
as
as
误区警示
1. 当光行词被 the same修饰时，也可用that引导定语从
向但指同一物，而不是同一类。
This is the same bike _____ I lost two months ago.
这就是两个月前我丢的一辆自行车。
This is the same bike _____ I lost two months ago.
这辆自行跟两个月前我去的那辆一样。
that
as
(同一辆自行轩)
(同样的自行车，但不是同一辆)
2 as 引导非限制性定语从句，代替整个主句的内容。从
句可放在主句前、主句后或主句中间。
As you know，she is a stubborn girl，and I can′t persuade her to change her mind.
My grandfather is fond of talking about the good old days,
______ is often the case with old people
as
as 引导非限制性定语从句常用的固定表达：
as we all know ________________
as is well known ________________
as you see ________________
As we expect _____________________
as often happens ____________________
众所周知
众所周知
如你所见
正如我们预料的那样
正如经常发生的那样
as I can remember ________________
as has been said before ________________
ass/ was expected ________________
as can be seen ________________
as is often the case ________________
正如我所记得的
如前所述
正如预料的那样
正如所见
情况常常是这样
课文呈现
Describe pictures of disasters
1 Find and underline the restrictive relative
clauses in the sentences below. What
function do the restrictive relative clauses
have
The Tangshan earthquake was a terrible experience that my great-grandma cannot forget.
The couple who live next to us volunteered to help after the volcano erupted.
The supplies which were provided to the disaster area were collected from around the country.
Mr Li is an architect whose designs for the new town have won praise.
A doctor with whom James used to work died in the 2016 earthquake in Ecuador.
Find more sentences with restrictive relative clauses from the text on page 50.
Two thirds of the people who lived there were dead or injured.
Workers built shelters for survivors whose homes had been
destroyed.
The number of the people who were killed or badly injured in the quake was more then 400000.
2 Complete each sentence with that，which，
who，whose，whom，or “/”. Then translate
the sentences into Chinese.
1 Here are some of the people ____________ homes were
destroyed by the typhoon.
2 The terrible shaking of the building woke up all the people
______________ were asleep.
whose
who或that
3 The next day，people put up shelters in the open air using
anything ___________ they could find.
4 Several days later，most of the buildings _____________
had been damaged by the hurricane were repaired.
5 The injured boy ________ mother was lost in the disaster
was taken to the hospital.
that或which
that或/
whose
6 The woman wrote a thank-you letter to the soldier by
___________ she was rescued.
7 Is this the young boy _______________ saved several
other students trapped under buildings
who 或 that
whom
3 Work with a partner. Take turns to ask each
other about the pictures. Make sentences
with restrictive relative clauses using that,
which, who, whose, or whom.
EXAMPLE
A：What′s the rescue worker doing
B：She′s feeding the baby who survived the earthquake.
考点精讲
1. erupt v.(火山)爆发；(岩浆、烟)喷出
eruption n.___________
爆发， 突发
erupt from _______________
erupt into ________________
erupt violently _______________
volcanic eruption ________________
从…喷出
突然变为或发展成(更坏的事)
猛烈地爆发
火山喷发
近义词
explode vt＆vi 爆炸
blow up 爆炸
eg. The demonstrations erupted into violence.
示威游行爆发为暴力行为。
既学既练
1. The place was recently visited by a serious ______
__________________.
这个地方最近发生了一次严重的火山爆发。
2. The____________(erupt)of the volcano makes many
people lose their live.
volcanic eruption
eruption
2. supply n.pl 供给品；供应量 vt 供应，提供
food/water/gas/electricity supply ________________
supply chain ______________________________
supply and demand ___________________________
in short supply ___________________________
a supply of ___________________________
食物/水/媒气/电供给
供应链
供求关系
供应不足
一批；许多
既学既练
1. The hospital promises to supply people___________ the
best possible medical care.
2. Food is__________________ all over the country.
食品在全国各地都供应不足。
with
in short supply
3. she survived because of ________plentiful supply of
fresh water.
由于有充足的淡水供应，她活了下来。
4. The universities are now offering a wider range of courses
_____________ students for them to choose.
那些大学设有更广泛的课程供学生选择。
a
to
3. in the open air 在户外
与 air 相关的词语:
air alarm _____________________
air conditioner ____________________
air current _________________
air line _________________
空袭警报
空调机
气流
航空公司；航线
air liner ____________________
air show/mail _________________
by air ______________________
in the air ________________________
on the air _____________________
in the open ____________________
客机
航空表演/航空邮件
乘飞机
在传播中
正在广播
在户外；在野外
既学既练
1. Drinking tea _____________________ is an agreeable
enjoyment.
在露天品茶是种享受.
2. Since travelling______________ is much faster，they
decided to take a plane.
因为乘飞机旅行快得多，他们就决定坐飞机。
in the open air
by air
与air相关的介词短语
3. Several visitors at the _________ were killed when a
plane crashed.
飞机坠毁，几名观看航空表演的游客不幸程难。
4. He will speak ________ the air this evening.
今晚他将在广播中演说。
air show
on
5. Children like to run around _______________________.
孩子们喜欢在户外跑来跑去。
in the open
随堂练习
Exercise
1. She and her family bicycle to work，___________helps
them keep fit .
2. Kate， _____________sister I shared a room with when
we were at college，has gone to work in Australia.
which
whose
3. During the rosy years of elementary school，I enjoyed
sharing my dolls and jokes _______________allowed
me to keep my high social status.
4. The little problems _____________ we meet in our daily
lives maybe inspirations for great inventions.
which
that
5. But Sarah，__________ has taken part in shows along
with top models，wants to prove that she has brains as
well asbeauty .
6. Like anything，it is possible to have too much fat and
salt，________________is not good for the health.
which
who
Homework
1. Recite the words and
phrases.
2.Do the exercises on your
exercise book.
本课结束
This lesson is over
THANKS!

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