【备课参考】人教版高中英语选修6课件：Unit 3 A Healthy Life Learning about language（共58张PPT）

课件58张PPT。Unit 3
A healthy life
Learning about language Discovering useful words and expressions
1 Find a word or phrase from the text that means the same as the underlined words in each sentence.
1. You will be able to stop smoking eventually if you are determined enough. quit, tough2. Having lived in Hawaii all his life,
he was not used to the cold of
Northern Europe.
3. She felt embarrassed about her
body shape, so she decided to go
on a diet.
4. Running a marathon will leave
you out of breath. accustomed toashamed (of her)breathless5. You really have no idea just how
hopeless cancer can make you
feel.
6. The effects of drinking too much
alcohol on your health can be
serious.
7. Doing exercises every day can not
only make your muscles stronger
but also help you relax. desperate(The) alcoholic (effects)strengthen (your muscles)8. If you are expecting a baby, your
smoking habit might cause
problems for it.
9. In spite of all his efforts he failed.
He was so upset about himself that
he felt like crying.
10. He felt he had to make up his
mind on every step instead of
taking risks. pregnantdisappointeddecide on2 Fill in the blanks with words or phrases from below.due to cigarettes tough unfit alcohol
mental quit withdrawal adolescents
addicted to stress effects Smoking _________, drinking _______ or
taking other drugs produce many harmful
______ and have no real benefits. So why
do ___________ do it? Perhaps some think
it makes them look ______ cool. Others
may think it will help with ______ in their
lives possibly ________ pressure from
their parents or teachers.cigarettesalcoholeffectsadolescentstough stress due to Some may just want to experiment. What
they do not realize is how easy it is to
become __________ smoking. In fact it is
the _______ addiction rather than the
physical effects which make it really hard
to ____ smoking. When an adolescent
realizes how _____ he or she is becoming,
it is too late. addicted to mental quit unfit Sadly the __________ symptoms can be
quite severe for some people. Of course
the best way to deal with these drugs
is not to get into the habit in the first
place! withdrawal Answer key for Exercise 2:It is difficult to give up smoking.
It seems that some young people think they look attractive when they smoke.
It is believed that smoking causes cancer.
It is no use trying to quit on a stressful day.
It is astonishing that China produces one-third of the world’s cigarettes.
It is illegal to advertise cigarettes in this country.Discovering useful structures (P21)It is wonderful that my father has quit
smoking at last.
8. It was a dark and stormy night when the
old man started his journey.
9. It is likely that you could suffer from bad
health if you keep smoking.
10. It is necessary for you to take pills to
control your blood pressure.GrammarThe use of “it”Talk about the following pictures, using It is no use/good doing sth 做……没有用/不好
It is fun doing sth 做……很有趣还想跑？甭想！想追我?
没门！① It is never too old to learn.
活到老, 学到老。
② It is easier to fall than to rise.
摔倒容易爬起来难。
③ It is no use crying over spilt (溢出的)
milk. 覆水难收。
④ It never rains but it pours (泼水).
不鸣则已, 一鸣惊人。Proverbs (谚语) with “It”⑤ It is easy to open a shop but hard to keep it always open.
创业容易守业难。
⑥ It takes three generations (代) to make a gentleman.
十年树木, 百年树人。Read and analyze the sentences.It is Friday today.
It was very cold last Monday.
It is about 8:30 now.
It is about 25km from Longxian to Bazi.
It lies in the south of Shaoguan city.
It is 40°C ! You got a high fever!
Conclusion: it 可以用作非人称代词, 表示_____,
_____, ______, ______, ______, ______等。dateweathertimedistanceplacetemperature 日期天气时间距离地点温度It is obvious that the water was to blame.
It is true that he will treat me for breakfast
tomorrow.
It is certain that our class will do a good job
in the final exam.
Is it possible that he will become the chairman
of our country?
It is amazing that at my age I still look like a
student!
分析: it是 __________, 句子真正的主语是
___________________。Read and analyze the sentences.形式主语that引导的主语从句牢记以下常用于该句型的形容词It is clear/obvious/true/possible/certain/
amazing/ridiculous等+ that从句.
思考: 为什么要用it做形式主语而把真正
主语放到后面去?
遵循英语语言的尾重原则, 避免句子
头重脚轻。The use of “it”一、 用作人称代词, 代表前面提到的人或事物Who’s it? ________ me.
Look at the picture. _____ is a picture
of our school. It’sIt 二、用于代替指示代词this 和that。---Is this jacket yours?
---Yes, ______ is.it三、用以表示时间、距离、天气、气候、
季节、环境等It is half past eight now.
It’s only half an hour’s walk from here
to our school.
3) I hope that it will be fine tomorrow.
4) It has rained much this year.
5) It’s spring now.
6) It’s quiet here.Time Distance Weather Weather Season Circumstance 替代作主语的从句、动词不定式、动名词, 而把真正作主语的从句、动词不定式、动名词置于句尾。四、it 用作形式主语1. 代作主语的动词不定式1) It be adj. (for sb.) to do sth.
此处adj. 通常为描述事件的形容词: easy,
difficult, hard, necessary, unnecessary,
possible, impossible, likely, unlikely, right,
wrong, important, unimportant, legal,
illegal, well-mannered, ill-mannered, polite,
impolite, clear, obvious, certain, suitable,
proper, fit, useful, useless, dangerous…
It is illegal (for a teenager) to drive a car
without a license.2) It be adj. of sb. to do sth.
此处adj. 通常为描述人的形容词: kind,
unkind, nice, rude, cruel, considerate,
thoughtful, thoughtless, careful, careless,
silly, foolish, stupid, clever, wise, crazy.
It's kind of you to help me with the problem.It’s no good/use doing…
It’s (well) worth doing…
It’s (well) worth one’s while doing/to do…
It’s (well) worth while doing/ to do
It’s no use crying over spilt milk.3) It替代作主语的动名词的常见句型2. it作形式主语替代主语从句It is clear (obvious, true, possible, certain
…) that ...
该句型中it 是形式主语, 真正的主语是
that 引导的主语从句, 常译为“清楚(显然,
真的……)”, 是主语从句最常见的一种结构。
e.g. It is very clear that he’s round and tall
like a tree. ①It is adj. + clause It is said (reported/ learned/believed
/thought/known/told/hoped...) that ...
该句型中的it 仍是形式主语, 真正主语是that
引导的主语从句; 该结构常译为“据说(据报道,
据悉……)”。
It is said that he has come to Beijing.
It is reported that another earth satellite has
been put into orbit.②It is v-ed that…=sb./sth. is to do ③ It is + noun + 从句 It is a pity (a shame /an honor /a good thing/
a fact /a surprise/... ) that ...
该句型中, that后的从句一般用虚拟语气
(should + 动词原形), should可省去。表示
出乎意料, 常译为“竟然”。没有这种意义时,
则不用虚拟语气。如：It is a pity that such a thing (should) happen in your class.
这种事竟然发生在你们班上, 真是遗憾！
It is a pity that he is ill. 他生病了, 真遗憾！五、it作形式宾语 当复合宾语中的宾语是不定式、动名词宾语从句时, 往往把宾语放在它的补足语后面，而用it 作形式宾语, 放在宾语补足语之前。
该句型中的it 作形式宾语, 常用的动词有think, believe, make, find, consider, feel等。 I think it no use arguing with him.
我认为和他争吵没有用。
I found it very interesting to study English.
我发现学英语非常有趣。
He made it clear that he was not
interested in this subject.
他非常清楚地表示他对那门学科不感兴趣。 六、用于强调句型中It + be+被强调部分 + that/who(a person)从句I met Tom in the park yesterday.1) It was I who met Tom in the park yesterday.2) It was Tom who I met in the park yesterday.3) It was in the park that I met Tom yesterday.4) It was yesterday that I met Tom in the park.It was five o’clock _________ I got home.
It was at five o’clock _______ I got home. whenthatIt is not until + 被强调部分 + that ...
该句型也是强调句型。主要用于强凋时间状语,
译成汉语 “直到……才……”, 可以说是
not ... until ... 的强调形式。如: It was not until she took off her dark glasses that
I realized she was a famous film star.
= Not until she took off her dark glasses did I
realize she was a famous film star.
= I didn’t realize she was a famous film star
until she took off her dark glasses.It was not _____ she took off her dark glasses
____ I realized she was a famous film star. (92)
A. when, that B. until, when
C. until, that D. when, then
2) It was not until ____ that ____ to prepare
his lessons. (91)
A. did his father come in, the boy began
B. did his father come in, did the boy begin
C. his father came in, did the boy begin
D. his father came in, the boy beganC D 强调句用以强调主语, 宾语, 介词宾语以及状语。
(强调人时用that和who/whom皆可)
It was she who / that had been wrong．
是她错了。 ( )
It was the girl whom / that I met just now．
我刚才遇见的就是这个女孩。 ( )
It was Tom to whom the teacher had talked．
老师与其谈话的那个人是汤姆。 ( )
It was on Monday night that all this happened．
所有这一切就是在星期一的晚上发生的。( )主语宾语介词宾语状语七、it 常用的固定搭配 make it
在口语当中相当于succeed, 表示: 成功、
做到、说定、赶上、及时到达如:
It's hard to make it to the top in show business.
2) 在口语中相当于fix the date for, 表示
“约定好时间” 如: ?
—Shall we meet next week?
—OK. We just make it next Saturday.2. take it/things easy
相当于Don’t worry or don’t hurry. 用来劝告
别人, 表示“不要慌, 别担心, 沉住气”
Take it easy! He will do it well.
3. It all depends/that all depends 在口语中,
相当于it hasn’t been decided yet, 表示“那
得看情况, 还没有定下来”
—Are you going to the countryside for holiday?
—It/That all depends.4. It's up to sb.
在口语中, 相当于it's decided by sb. 表示“由……决定, 由……负责, 取决于……”
—Shall we go out for dinner？
—It's up to you.高考链接
1. He didn’t make ____ clear when and
where the meeting would be held. (天津2007)
A. this B. that C. it D. these
2. ____ is our belief that improvements in
health care will lead to a stronger, more
prosperous economy. (浙江2006)
A. As B. That C. This D. ItCD3. The doctor advised Vera strongly that
she should take a holiday, but ______ didn’t
help. (2005全国)
A. it B. she C. which D. he
4. I’d appreciate ______ if you would like
to teach me how to use the computer.
(山东2006)
A. that B. it C. this D. youAB5. It was ______ he came back from
Africa that year______ he met the girl
he would like to marry. (江西2009)
A. when; then B. not; until
C. not until; that D. olny, when
6. It was along the Missippi River ______
Mark Twain spent much of hid childhood.
(天津2008)
A. how B. which C. that D. whereC C 改错
You won’t find difficult to get to the city
center. (2004全国)
2. I know there is not easy to be a teacher.
(2004湖北)
3. This is not surprising that the Silver
Ghost was regarded as “the best car in
the world”. find后加itthere → itThis → ItExercises:
1. I hate ______ when people talk with their
mouths full.
A. it B. that C.these D. them
2. In which play is ______ your brother
will appear?
A. that where B. this when
C. it that D. it where
3. ______ the harder you work, the better
result you’ll get.
A. It’s believed that B. What we believed that
C. It’s fact D. What the fact isACA4. Nothing can stop us, _______?
A. can’t it B. can it C. can’t we D. can we
5. ---Can you tell us how the war was won in
the end?
--- I don’t know, ________.
A. It’s hard to say B. It doesn’t matter
C. It’s no use saying
D. It depends on the workBA6. Does ______ matter a lot whether she
will come here by bus or by taxi?
A. The thing B. that C. it D. her mother
7. ---Listen! Someone is unlocking the goods.
---_____ must be your father coming
back from Beijing.
A. It B. There C. That D. ThisCA8. ---Have you written a letter to her ?
---No, but I’m going to write _____ tonight.
A. it B. that C. those D. one
9. --- Are they coming to the meeting?
--- ________.
A. I know so B. I am sure so
C. I am sure of it D. I question it
10. _______ now pretty late, we took candles
and went upstairs.
A. Being B. For C. For being D. It beingDAD11. The teacher told the students _______.
A. why to learn English important
B. why was it important to learn English
C. why it important to learn English
D. why it was important to learn English
12. The TV sets made in China are much
better than ______ in Japan.
A. that B. those C. them D. itDB13. Our food and service are better than _____
used to be.
A. It B. we C. they D. them
14. ---I’m looking for a flat.
---Would you like ____ with ___ garden?
A. it; the B. it; a
C. one; a D. one; the
15. _______ four years since I joined the Army.
A. It was B. It is
C. There is D. There wasCCBFor more exercises, click here.Tell the fun_ction of “it”:
It’s difficult to remember all their names.
2. It’s very quiet in the café.
3. It rained for three days.
4. He made it clear that he didn’t want to
speak to me.
5. It was nice to meet you. 形式主语, 代替……CircumstanceWeather形式宾语, 代替……形式主语, 代替……6. It was on Tuesday that Smith came.
7. It’s three miles from here to the nearest
garage.
8. A tall man stood up and shook hands.
It was captain Lawrie.
9. I hear you bought a new bike. Can you
show it to me?用于强调句型中Distance人称代词, 代表前面提到的人。人称代词, 代表前面提到的物。10. It was five o’clock when we got back home
yesterday.
11. It was dirty and wet below the ship where
the slaves were kept.
12. It was on this coast that lots of his people
disappeared.
13. It was most likely that one third of them
had lost their lives.
Time Circumstance用于强调句型作引导词, 在句中作形式主语,
代替后面的从句。 I’m still fit enough to cycle 20 kilometers
in an afternoon. That is amazing.
It is amazing that I am still fit enough to
cycle 20 kilometers in an afternoon.
2. My father has quit smoking. That is
wonderful.
It is wonderful that my father has
quit smoking.Rewrite the following sentences, using
“It’s … that”.3. You could suffer from bad health if you
keep smoking. ( It is likely).
It is likely that you could suffer from
bad health if you keep smoking.
4. China produces one third of the
world’s cigarettes. It is reported.
It is reported that China produces one
third of the world’s cigarettes.5. Bird flu (禽流感) hit China again. That
is known to us.
It is known to us that bird flu (禽流感)
hit China again.
6. Li Yuchun got more than one million
yuan for the advertisement. People say
that.
It is said that Li Yuchun got more
than one million Yuan for the
advertisement. 7. Some young people think that they look
attractive when they smoke. It seems
that…
It seems that some young people think
they look attractive when they smoke.Translation1. 是到戒烟的时候了。(quit)
It is time to quit smoking. 2. 让人惊讶的是在我这个年纪我依然
这么健康。(It is amazing that...)
It is amazing that at my age I am
still so fit.It is a little difficult for adolescents
to become accustomed to a new
environment.3. 一旦你吸烟上了瘾, 你会发现要把它戒掉
很难。(addict...to; tough)
Once you are addicted to smoking, you
will find it tough to give it up.4. 青少年要适应新的环境有点难。
(adolescent; accustom...to)Homework1. Finish exercise 2 on page 21: Rewrite the sentences.
2. Revise and master the use of it.
3. Preview the Reading:
HIV/AIDS: Are you at risk?Thank You!