【培优讲义】第5讲 英语牛津深圳版 七年级上册 Unit 3 The earth（1）

京师教育精品小班辅导讲义
课程名称： 同步复习 年 级： 初一 辅导科目： 英语 课时数： 3
教师姓名： 上课日期： 上课时段：
第5讲：七上U3（1）
教学目标
音标：
通过指导与训练，帮助学生掌握音标/ / /ɑ:/ / :/ / / /u:/ / / /k/ /g/的读法，并会正确拼读常见的单词；
词汇短语：
熟练掌握U3单词和短语，达到“四会”要求，练习准确率在90%以上；
通过讲解与练习，帮助学生掌握重点词组的用法，能熟练用于句子类练习；
句型：
通过翻译课文Reading部分重点句型，帮助学生强化句法能力。
阅读：
掌握阅读地球污染的解题思路；
完成相关专题练习；
教学重难点
重点：
掌握音标/ / /ɑ:/ / :/ / / /u:/ / / /k/ /g/
掌握重点词组的用法，能熟练用于句子类练习；
基本掌握U3重点句型，能熟练地背诵；
难点：
熟练读出/ / /ɑ:/ / :/ / / /u:/ / /六个元音在单词中的发音；
熟练掌握与put into相近短语的区别用法
熟练掌握如it’s adj. for/ of sb. to do sth.的重点句型
三、 教学方法
目标学习法
四、 教学过程
音标回顾
元音 发音的字母或字母组合 例词
/ / u, o must, mother
/ɑ:/ a, ar ask, garden
/ / o, a hot, what
/ :/ or, al, au, our report, hall, autumn, four
/ / u, ou, oo put, could, book
/u:/ u, oe, ue, oo pollute, shoe, true, food
老师带领学生大声朗读以上单词，注意画线部分的发音
辅音 例词
/k/ clever, keep, cook
/g/ bag, good, grass
慧眼识音（请根据画线部分的读音将下列的单词归类）
colour doctor could clever after all blue bag
keep put wash other horse shoe good large
/ /：
/ɑ:/:
/ /：
/u:/：
/ /:
/ :/ :
/k/：
/g/:
Key：
1）/ /：colour other 2) /ɑ:/: after large 3)/ /：doctor wash
4) /u:/ blue shoe 5)/ /: could put 6)/ :/ : all horse
PK赛
一、找出画线部分发音不同的选项。
（ ）1. A. love B. mother C. doctor D. brother
（ ）2. A. fast B. ask C. after D. make
（ ）3. A. what B. apple C. want D. watch
（ ）4. A. wood B. book C. foot D. food
（ ）5. A. city B. cry C. call D. clean
答案：CDBDA
Step One拆分记忆
pattern pat+tern protect pro+tect
report re+port provide pro+vide
pollution po+llu+tion energy en+er+gy
important im+por+tant kilometer ki+lo+me+ter
Step Two词汇过关
单词
地球 Earth 保护 protect
报告 report 提供 provide
污染 pollution 重要的 important
事实 fact 自己的 own
能量 energy 很少 few
短语
为…提供 provide…with… 把…倒入 put….into…
扔掉 throw… away
Step Three 要点精讲
1. protect
同根词 1. protection n. 保护；防护物 He wore a thick overcoat as a protection against the cold. 他穿着厚实的大衣以抵御严寒。 2. protector n. 保护者 I consider him to be my best friend and protector. 我把他看作是我最好的朋友和保护者。
短语搭配 protect against/ from 使….免受于 You need warm clothes to protect yourself against/ from the cold. 你需要穿暖和些以免受凉。
【出招】
We should protect ourselves heart disease.
A. with B.from
C. off
It is our duty to p pandas. They are endangered.
3）口译：我们必须保护那片森林免受火灾。
B; protect; We should protect the forest from the fire.
provide
短语搭配 provide sb. with sth. = provide sth. for sb. 为某人提供某物 We provide our children with food and clothes. We provide food and clothes for our children.
拓展辨析 1.provide: 指“准备好必需品来供应” They provide food for the hungry children. 他们为饥饿的孩子提供食物。 2. offer：指“主动提供帮助、支撑等” offer to do sth. 主动做某事 The boys offered to help the old. 男孩们主动帮助老年人。
【出招】
The farm provides some vegetables us.
A. with B. to
C. for
改为同义句。
Mr Smith provided us with some food.
Mr Smith provided .
口译：宾馆没有为客人提供牙刷。
C; food for us; The hotel doesn’t provide the toothbrushes for the guests.
pollution
同根词 1. pollute v. 污染 Smoking will pollute air. 2. polluted adj. 受污染的 Where are the most polluted areas in the world
拓展 air pollution 空气污染 noise pollution 噪音污染 water pollution 水污染
【出招】
I hope there will be no in the world in the future.
A. fields B. pollutes C. forests D. pollution
2) The river is badly . (pollute)
3) 口译：我们城市里有很多污染。
D; polluted; There is much pollution in our city.
important
同根词 importance n. 重要性 You should know the importance of study.
句型剖析 It’s important for us to learn English well. 对我们来说学好英语很重要。 在It is + adj. + for sb. + to do 中，it 是形式主语，真正的主语是不定式（to do）
句型辨析 1.It is + adj. + for sb. + to do 意为“做某事对某人来说怎么样”，形容词是用来描述事物（不定式这个动作），如： difficult, easy 2. It is + adj. + of sb. + to do 意为“某人（做某事）怎么样”，形容词是用来描述不定式行为者的性格、品质的，如：kind, nice, polite
【出招】
对于学生来说，努力学习是很重要的。
us study hard.
你知道教育的重要吗？
Do you know the of education？
口译: 学习中国历史很重要。
It’s clever (of/ for ) you to work out the Maths problem.
It’s important for to; importance; It’s important to study the history of China.; for
短语精讲
put….into 把….放入
辨析短语
put up 张贴 They are putting new street signs up. 他们正在悬挂新的路标。
put off 推迟；推延 Women who put off having a baby often make the best mothers. 晚育的女性经常会成为最优秀的母亲。
put on 穿上 She put on her coat and went out. 她穿上大衣出去了。
It’s cold outside. You’d better your coat.
A. put away 把…收拾好 B. take off 脱下
C. put into D. put on
我们不得不把运动会推迟到九月。
We’ve had to the sports meeting until September.
他们把废水倒入河中。
They the water the river.
D; put off; put waste into
2. stop doing….
短语辨析
例句 辨析
stop to do I have to stop to have a break. 停下手中正在做的事，去做另外一件事
stop doing Stop making noises. I need to sleep. 停止正在做的事
1) When the teacher came in, everyone stopped (talk).
2) You look tired. Why not stop (work).
3) Let’s stop (have) a rest. There is a café.
talking; working; to have
PK赛
首字母填空
The Moon goes around E .
Riding a bike is good for health. And it doesn’t p the air.
Elephants are getting fewer and fewer because people k them for money.
You m return the book on time.
He is reading a r on protecting the animals.
It is i__________ for us to finish our homework on time.
Earth; pollute; kill; must; report; important
完成句子
父母保护他们的儿女不受伤害。
Parents their young danger.
图书馆为学生提供咖啡。
The library coffee.
我们停下来休息一下吧。
Let’s .
protect from; provides student with; stop to have a rest
Step One 朗读课文
先让学生有感情地朗读Reading部分课文，随机提问一些课文难句要学生口头翻译；
Step Two 听音练习
播放课文Reading部分录音，要学生逐句跟读，遇到跟读不顺的地方，老师记下来，读完后稍做点拨讲解；
Step Three 句型翻译
以下皆是Reading部分原句，翻译完后让学生对照课文自行修改。
地球上也有不同的动物。（there be）
There are different animals on Earth too.
_________________________________________________________________
地球为我们提供空气、水和食物。（provide with）
The Earth provides us with air, water and food.
__________________________________________________________________
我们把垃圾倒入海中或地下。（put into）
We put our rubbish into the sea and under the ground.
__________________________________________________________________
为了我们的未来，保护地球是重要的。（it is…）
It is important for us to protect the Earth for our future.
__________________________________________________________________
【例题】
技巧点拨： 把握关键词
The earth is about 4,600 million years old. Man lives on the earth for only 35,000 years, but we change our Earth in many ways. Many of things we do are good, but some are not good for the Earth.
Water pollution
A lot of people, birds and fish die each day because of water pollution. Factories
pollute the water. As a result, the water in many rivers and lakes is now very dirty.
Air pollution
In big cities, factories, cars, trucks and buses are the main cause of air pollution.
Many people in cities now have serious health problems. For example, Mexico city used tobe a beautiful sunny capital, but today there are many dark clouds in the sky. And many people get ill because of the polluted air.
Soil （土壤）pollution
In order to have a better harvest, some of the farmers use chemicals too much in their fields. That’s bad for the soil.
Hope for the future
These problems are very serious for our future, so all of us should do something to
protect our environment. If we can stop pollution, our Earth will become more and more
beautiful.
第一步：泛读环节---限时阅读（5mins）
（这部分要求学生根据who, what两方面，用自己的话简单概述文章大意）
第二步：精读环节---回答问题
一.回答问题
1.How old is the Earth
A. About 4,600 million years old.
B. About 4,500 million years old.
C. About 4,800 million years old.
D. About 4,700 million years old.
2. make the Earth change a lot.
A. people
B. Animals
C. Plants
D. Clouds
3. Which of the following is NOT true according to the passage .
A. Because of water pollution, a lot of people become healthier.
B. We must stop factories from putting waste into rivers and lakes.
C. Because of water pollution , the water in many rivers is now dirty.
D. Water pollution is very serious now.
4. There are kinds of pollution in this passage
A. two B. three C. four D. five
5. Which of the following is True
A. Mexico City is still a beautiful sunny capital now.
B. Air pollution can make people get sick.
C. Now fewer farmers use chemicals in the fields.
D. Factories, cars and buses are the main causes of soil pollution.
AAABB
二.长难句分析
1. For example, Mexico city used to be a beautiful sunny capital, but today there are many dark clouds in the sky.
1）翻译: for example used to be 过去是
dark cloud 乌云
2）be used to doing 对….已感到习惯或习惯于
used to do 曾经或过去常常做某事
完成句子并翻译：
a. He is used to a walk after dinner.(take) taking
（笔译）：
b. He used to a teacher in our school.(be) be
（笔译）：
他习惯吃完晚餐去散步； 他曾经是我们学校的老师。
3）整句翻译：
比如，墨西哥城市曾经是一个美丽而且阳光充足的首都，但是如今的天空有很多乌云。
2. If we can stop pollution, our Earth will become more and more beautiful.
1）此句为 ，遵守 的时态结构。
（条件状语从句，主将从现）
2）more and more 越来越
3）句子翻译：
4）如果明天不下雨，我们就去野餐。
If it rain tomorrow, we go for a picnic.
如果我们停止污染，我们的地球将会变得越来越美丽。
doesn’t ; will
【实战演练】
No Car Day was first started by 34 cities in France on September 22, 1998. It was started to protect the environment. By now, more than 1,000 cities around the world have had a No Car Day.
The first No Car Day in China was in Chengdu in 2001. Other cities, including Taipai, Shanghai and Wuhan, also support the day.
In Beijing, more and more people are joining the campaign. It asks drivers to leave their cars at home for one day each month and walk or ride a bike to work. It also calls on Beijingers not to use cars on June 5(World Environment Day). The slogan for the day is, “If we drive for one less day, we can have one more nice day.”
So far, more than 200,000 drivers have shown their support. “We can’t control the weather, but we can choose not to drive,” said Wu Zonghua, a car club chairman. Beijing is trying to have 238 blue sky days this year. In the first quarter of 2012, Beijing only had 52 blue sky days. This was 11 days less than the number for the same period the year before. Much of the dust comes from the desert, but cars cause most of the air pollution. We must do more for No Car Day.
1. The first No Car Day fell on _______.
A. February 2nd B. June 5th
C. July 5th D. September 22nd
2. _______ was the first city to have No Car Day in China.
A. Beijing B. Chengdu
C. Shanghai D. Wuhan
3. What does the underlined word “slogan” in Paragraph 3 mean
A. 目的 B. 原因
C. 意义 D. 口号
4. How many blue sky days did Beijing have in the first quarter of 2011
A.63 B. 52
C. 41 D.238
5. Which of the following statements is True
A. China is the first country to start No Car Day.
B. No Car Day is World Environment Day.
C. No Car Day has been supported by over 1,000 cities around the world so far.
D. Much of the dust in the air comes from cars.
DBDAC
语音
/ //ɑ:// :// //u:// //k//g/
词汇短语
1. protect 短语搭配？ 2. provide短语搭配？
3. put into/on/off/up区别？ 4. 停止做某事的两个短语？
句型
it’s + adj. for /of sb. to do sth. 区别？
语音选择：找出下列每组中划线部分发音不同的单词。
( )1. A. close B. hobby C. problem D. not
( )2. A. part B. grammar C. market D. large
( )3. A. report B. important C. horse D. junior
( )4. A. catch B. complete C. country D. practice
( )5. A. energy B. Germany C. ground D. engineer
ABDDC
二、首字母填空
We should p the wild animals.
Most children are c fish in the river.
There is a lot of p in the world.
protect; catching; pollution
三、完成句子。
学校为我们提供午餐。
The school lunches.
上课时间到了，咱们别说话了。
It’s time for class. Let’s .
桌子上有一台电脑还有几本书。
There and some books on the desk.就近原则
对于李明来说学好英语是很重要的。
Li Min to learn English well.
事实上，我认为Tom是对的。
, I think Tom is right.
provides us with; stop talking; is a computer; It is important for; In fact
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