高中人教版 (2019)Unit 4 Natural disasters完美版课件ppt

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人教版英语必修一
Unit 4 Natural disasters
Period 3 Discovering Useful Structure
Do you know who is he?
He is Han haolin
He plays the role of little Fanxian.
He is Han haolin, who plays the role of little Fanxian.
Lead in
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.
定语
What is attribute
Let’s review
1.The volcano in this place erupted suddenly.erupt:
[ɪ 'rʌpt]
eruption n
New words
2.The government supplied plentiful supplies to this area.Supply
[sə'plaɪ]
Supply and demand
供求关系
provide sth to sbsupply sb with sthsupply sth to sb.offer sb, sthoffer sth to sb
(2018·浙江) 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_____________。
提供某人某物
food supply
supply
offer
provide
猜一猜！看谁反应快!
Competition
Let’s play
1.Scientists say Mount Pinatubo could________  again soon.(eruption)
2.The school provided food __________the students.
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
erupt
for
to
with
01
关系代词引导的定从
Let’s learn
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。
定语从句的定义
先行词
关系词
定语从句
+
+
二。定语从句的构成
定语从句的构成
指代先行词
连接主句和从句
在从句中充当成分
定语从句的关系代词
定语从句的关系代词
人、物
主语、宾语
宾语
人、物
定语
that
which
Who
Whom
whose
as
Show time
The number of people _________ come to visit this city each year reaches one million.
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。
(指人，作主语)
that
This is the suitcase _________ she is looking for.
( that )
定语从句的关系代词
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)
定语从句的关系代词
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。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。
(who/whom)
(作宾语)
whose
(作定语)
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.
误区警示
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 ）
定语从句的关系代词
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.2.当先行词是all，any，little，few， much， everanything, 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 knowPlease send us any information _______you have about the subject.
that
that
that
that
that
用that就不宜用 which的情况
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.4.当先行词既包括人又包括物时。Sometimes we should ignore the persons and things __________upset us.
宜用that就不宜用 which引导定语从句的情况
用that就不宜用 which的情况
that
that
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?
、宜用that就不宜用 which引导定语从句的情况
that
用that就不宜用 which的情况
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。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
which
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。
先行词
are
is
定语从句中的主谓一致
One of+复数名词+定语从句(复数谓语) the only one of+复数名词+定语从句(单数谓语)
2
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)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)
have
has
has
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.
关系代词as引导的定语从句
as
as
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___________ l lost two months ago这就是两个月前我丢的一辆自行车。This is the same bike __________l lost two months ago这辆自行跟两个月前我去的那辆一样。
误区警示
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 knowas is well knownas you seeAs we expectas often happensas I can rememberas has been said beforeass/ was expectedas can be seenas is often the case
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
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
Let’s do
1)The Tangshan earthquake is a terrible experience that my grandma cannot forget.2)The couple who live next to us volunteered to help after the volcano erupted.3)The supplies which were provided to the disaster area were collected from around the country.
1.Find and underline the restrictive relative clauses in the sentences below What function do the restrictive relative clauses have?
Drills
4)A doctor with whom James used to work died in the 2016 earthquake in Ecuador.2.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.
02
Language points
1.
1.erupt v（火山）爆发；（岩浆、烟）喷出eruption n.erupt fromerupt intoerupt violentlyvolcanic eruption
爆发， 突发
从…喷出
突然变为或发展成(更坏的事)
猛烈地爆发
火山喷发
Language points
The demonstrations erupted into violence. 示威游行爆发为暴力行为。 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。③The____________(erupt)of the volcano makes many people lose their live.近义词
volcanic eruption
eruption
explode vt＆vi爆炸
blow up爆炸
2. supply n.pl 供给品；供应量 vt 供应，提供food/water/gas/electricity supplysupply chainsupply and demandin short supplya 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
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。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。
with
in short supply
a
to
3.in the open air与air相关的词语:Air alarmair conditionerair currentair lineair linerair show/mailby airin the airon the airin the open
空袭警报
空调机
气流
航空公司;航线
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
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。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。 5)Children like to run around_______________________________孩子们喜欢在户外跑来跑去。
in the open air
by air
air show
on
in the open
03
Exercises
1.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.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.
that或which
that或/
who或that
whose
Exercise
5. The injured boy_______________mother was lost in the disaster was taken to the hospital.6 The woman wrote a thank-you letter to the soldier by ______________she was resuced.7 Is this the young boy_____________saved several other students trapped under buildings.
who或that
whom
whose
2.Work with a partner. Take turns to ask each other about the pictures.
What’s the rescue worker doing?
She’s feeding the baby who survived the earthquake.
It is a baby who was rescued from under the ruins.
Who is the baby in her arms?
1.She and her family bicycle to work，___________helps them keep fit (2018·北京卷)2. Kate, _____________sister I shared a room with when we were at college, has gone to work in Australia(2018·天津卷)3. During the rosy years of elementary school, I enjoyed sharing my dolls and jokes _______________allowed me to keep my high social status.(2019·全国I卷)
高考链接
which
which
whose
Exercise
4. The little problems_____________we meet in our daily lives maybe inspirations for great inventions.(2017・北京卷)5, But Sarah,__________has taken part in shows along with top models, wants to prove that she has brains as well asbeauty.(2017・全国Ⅲ卷)6. Like anything, it is possible to have too much fat and salt,________________is not good for the health(2017・全国卷)
that
which
who
1.Study some important words and phases in this part.2. Grasp the usage of the restrictive relative clause.3. Know usage of whose,who,as ,which
Summary
1.Recite the words andphrases.2.Do the exercises on yourexercise book.
Homework