Unit 2 Keeping Healthy Topic 2 2022-2023学年初中英语仁爱版八年级上册 课件 (共51张PPT)

(共51张PPT)
Unit 2 Keeping healthy
Topic 2 I must ask him to give up smoking.
目
录
Part1 词 组 过 关
Part5 写 作 指 导
Part4 综 合 训 练
Part3 考 点 解 读
Part2 语 法 突 破
Part1 词 组 过 关
1.熬夜__________________________________
2.把垃圾放到垃圾箱______________________
3.做早操________________________________
4.乱扔垃圾______________________________
5.饭前洗手______________________________
6.饭后做运动____________________________
7.不吃早饭上学__________________________
8.阳光下看书____________________________
stay up
put litter into the dustbin
do morning exercises
throw litter around
wash hands before meals
do sports after meals
go to school without breakfast
read in the sun
9.放弃____________________________
10.早睡早起_______________________
11.叫(请求)某人做某事______________
12.叫(请求)某人不要做某事._________
13.把某物出示给某人_______________或 __________________________________
14.散步____________________________
15.足够长__________________________
16.强迫某人做某事__________________
give up
go to bed early and get up early
ask sb to do sth
ask sb not to do sth
show sb sth
show sth to sb
take a walk
long enough
force sb to do sth
17.一……就……__________________________
18.很吃惊地做某事________________________
19.使某人做某事__________________________
20.实际上,事实上__________________________
21.尽量……地____________________________
22.不但…而且…__________________________
23.当心，小心____________________________
as soon as
be surprised to do sth
make sb do sth
in fact
as …as possible
not only…but also…
be careful
Part2 语 法 突 破
常见情态动词：can, may, must
1.加接动词原形
2.没有人称和数的变化
I may be ill.
You must take my advice.
He can dance
情态动词的用法
情态动词后接动词原形
情态动词后接动词原形
情态动词没有人称和数
的变化
语法突破
1.能力。 2.允许，许可.3.可能性
I can swim.
Can you speak English
You can go home now.
Can I come in
Could I open the door
He can be dead.
can 的用法
表示能力
表示能力
表示允许，许可
表示允许，许可
表示允许，许可
表示可能性
语法突破
1.Can you make cakes
2.Can I have a look
Yes, I can.
No, I can’t.
Of course.
Yes, please.
Sorry, please don’t.
如何回答can 引导问句
can意为“能力”时，
回答也用can
can意为“允许”时，
回答较灵活
语法突破
1.我可以进来吗？
2.我可以说英语吗？
3.他可能受了重伤
1.允许，许可；2.可能性
May I come in
May I speak English
He may be badly hurt.
May 的用法:
Yes, you can.
No,you can’t /mustn’t.或I am afraid not.
Yes, you can.
No,you can’t /mustn’t.或had better not.
may表“允许”时，注意它的回答
may表“可能性”
语法突破
把句子先变为否定句，再变为一般疑问句，然后做肯定和否定回答：
You must stand up.
You mustn’t stand up.
Must I stand up
Yes, you must.
No, you needn’t.
must 的用法
变为否定句时，直接加not
变为疑问句时，把must提前
肯定回答用must
否定回答用needn’t
语法突破
你必须把门打开。
You must open the door.
You mustn’t open the door.
Must I open the door
Yes, you must.
No, you needn’t
把句子先变为否定句，再变为一般疑问句，然后作肯定和否定回答：
语法突破
他必须喝些牛奶
He must drink milk.
He mustn’t drink milk.
Must he drink milk？
Yes, he must.
No,he needn’t
把句子先变为否定句，再变为一般疑问句，然后作肯定和否定回答：
语法突破
动名词作主语
Basketball is a good sport.
Playing basketball is a good sport.
Getting up late is bad for your health.
一般来说，名词（代词）才能作主语
动词做主语时，动词要变为动名词，
即加ing。
如：
动词作主语
语法突破
翻译训练：
1.不吃早饭上学是个坏习惯。
2.每天做早操使我强壮。
Going to school without
breakfast is a bad habit.
Doing morning exercises every
day make me strong.
s
动词作主语时，谓
语动词用单数形式
动词作主语时，谓
语动词用单数形式
语法突破
翻译训练：
3.饭前洗手保持我们健康
4.早起早睡对我们有好处。
Washing hands before meals
Keeps us healthy
Getting up early and going to bed
early is good for your healthy.
动名词作主语
语法突破
Part3 考 点 解 读
知识点01 cause 导致，原因 (教材Page 35 1 a）
（1）作动词，意为“导致，引起”
What caused it
（2）作名词，意为“原因，理由”。
Do you know the causes of the traffic accidents
【即学即练】
------Do you know what ___________ the traffic accident
------The driver drove too fast
A.cause B.took C.had
【答案】A
【解析】句意:你知道什么导致交通事故吗？司机开得太快了。后
句the driver drove too fast是导致交通事故的原因，故选A。
知识点02 litter 垃圾，扔垃圾（教材Page 35 1a）
（1）litter可作名词，意为“垃圾”。如：
Don’t throw litter around.
（2）litter也可作动词，意为“扔垃圾”，相当于throw around。如：
You shouldn’t litter everywhere.
【即学即练】To keep the school clean, we shouldn’t throw _____around.
A. little B.litter C.letter
【答案】B
【解析】句意:为了保持学校的清洁，我们不应该乱扔垃圾。A little 少；
B.litter垃圾； C.letter信。
知识点03 without （教材Page 35 1 a）
without是介词，后接名词、代词或doing，意为“无，没有”。如：
We can’t live without water.
without 的反义词是with, 意为“有，带有”。如：
The girl with long hair is my sister.
【即学即练】I love singing and I won’t be happy __________ music.
A.with B.without C.have
【答案】B
【解析】句意:我喜欢唱歌，没有音乐我就不开心。without是介词，后接
名词、代词或doing，意为“无，没有”
知识点04 The article says...文章写到（说）... （教材Page 37 1 a）
Look, the article says smoking is bad for our lungs and it can even cause cancer.看，文章说吸烟对我们的肺有害，甚至会导致癌症。say 在此处至书面材料，文字记载上的“说”，表示可见的东西提供的信息。
The guidebook says we should turn left.
旅游指南上说我们应该向左转。
【即学即练】Is there any news in today’s newspaper
It ___________ scientists have come up with an idea to fight against cancer.
A. reads B.says C.talks
【答案】B
知识点05 give up 放弃 （教材Page 37 1 a）
(1)give up + doing sth. 放弃做某事
You should give up smoking.你应该戒烟。
(2)give up sth. 放弃某东西, give up 接人称代词时放在两词中间
I don’t like history, so I want to give it up.
我不喜欢历史，所以我想放弃它
【即学即练】Don’t ___________ learning English. It’s very important.
A. give up B.work on C.stay up
【答案】A
【解析】句意：不要放弃学习英语。这很重要。A give up 放弃； B.work
on从事与；C.stay up熬夜。根据句意，选A
知识点06 It’s necessary for sth. 对……来说是很有必要的 （教材Page 37 2 a）
It’s + adj. + (for sb.) to do sth. (对某人来说)做某事……。在这个句子中，it是形式主语，而真正的主语是个to do sth。
It’s easy for me to finish the work.我很容易完成这项工作。
It’s important to learn English well.学好英语很重要。
【即学即练】
It’s necessary ________ us _________ hands before meals.
A.to, to wash B.for, for washing C.for, to wash
【答案】C
【解析】考查常用句型: It’s + adj. + (for sb.) to do sth。故选C。
知识点07 keep +宾语+宾语补足语 （教材Page 37 1 a）
keep +宾语+宾语补足语，意为“使……继续处于某种状态”。常考点有二：
（1）keep + sb./sth+ adj.
Please keep the children quiet.请让孩子们保持安静。
（2）keep+sb/sth+ doing
You kept me waiting for a long time. 你让我等了很长时间。
【即学即练】
Do you think dancing can keep you __________.
A.active B.activity C.act.
【答案】A
知识点08 tomato的复数 （教材Page 39 1 a）
o结尾的单词变为复数形式有两种可能。+es或+s。tomato, potato 和hero的复数形式加es。其余加s。
【即学即练】
Yesterday I bought some ______________(potato).
【答案】potatoes。
【解析】tomato, potato和hero的复数形式加es。
知识点09 force sb to do st 迫使某人做某事;make sb do sth 使某人做某事 （教材Page 39 1 a）
（1）force sb to do sth,意为“强迫某人做某事”。
The boss forced workers to work ten hours a day.
老板强迫工人们每天工作十个小时。
（2）make sb do sth意为“使某人做某事”。注意make是一般意义上的“使，
让”，而force有“强迫，胁迫”之意。
He often makes us laugh.他经常让我们发笑。
【即学即练】The heavy rain ________ to stay at home all day.
A. stopped B.made C.forced
【答案】C
【解析】make 后接动词原形，故选C。
知识点 10 as soon as （教材Page 39 2 a）
as soon as 意为“一……就”，引导时间状语从句。
We will go back to school as soon as the summer holiday is over.
暑假一结束，我们就会回到学校去。
【即学即练】He did some cooking ___________ he got back home yesterday
evening.
A.as long as B.as far as C.as soon as
【答案】C
【解析】句意：他昨晚回家就做饭。A.as long as只要； B.as far as就...而言；C.as soon as一...就...。根据语境，选C。
知识点01 such as 例如 （教材Page 39 1 a）
（1）such as 意为“例如” ，后接名词或短语
He knows many languages such as Chinese，English，Russian and French.
他懂许多语言，如汉语、英语、俄语和法语。
（2）for example意为“例如” ，后接句子
He is a good boy for example he often helps his mother with the
housework.他懂许多语言，如汉语、英语、俄语和法语。
【即学即练】I like fruits, ___________ apples,oranges and pears.
A.such as B.for example C.as soon as
【答案】A
【解析】句意：我喜欢水果，如：苹果，橙子和梨。such as 意为“例如” ，后接名词或短语 ，for example意为“例如” ，后接句子。故选A。
知识点12 illness 疾病 （教材Page 39 1 a）
ill + ness 名词意为“疾病”。 ness 是常见名词后缀，如： kindness 仁慈，好意， happiness 幸福
disease 疾病，常指比illness 严重的疾病。
知识点13 in fact 事实上 （教材Page 41 1 a）
in fact事实上。长用来补充细节，强调前面的内容，也可以用来表示与前面所说的相反。
In fact, I don’t like this book.
【即学即练】-----I don’t think herd immunity(群体免疫) can stop
the spread of COVID-19.
------You are right. _________, it a rather risky(冒险的) move
A. In fact B.At first C.At last
【答案】A
【解析】句意：------我不认为群体免疫（群体免疫）可以阻止covid-19的
传播。------你是对的。_________，这是一个相当危险的举动。in fact可
以用来表示与前面所说的相反.故选A。
知识点14 risk风险，冒...的风险（教材Page 41 1 a）
（1）risk 可作名词，意为“风险”。
Smoking can bring the risk of causing cancer.
（2）risk也可做动词，意为“冒...的风险”。
He risked his life to save the boy.
【即学即练】David worries about her father because he faces many
_________ in his work.
A.hopes B.risks C.facts
【答案】B
【解析】句意：大卫担心她的父亲，因为他在工作中面临着许多_______。考查句子理解。
知识点15 as...as possible 尽量… （教材Page 41 1a）
as...as possible 尽量…地，可以和as...as one can互换使用。如：
Please write down your answer as carefully as possible=
Please write down your answer as carefully as you can.
请尽可能仔细地写下你的答案。
【即学即练】You should begin to do homework ________(尽快地)。
【答案】as soon as possible
+名词，意为“太多”
【即学即练】
1.He has __________ meat, so he is ___________fat.
2.There is__________ rain in the south.
3.The weather is _______ cold , I can’t stand it
too much
much too
too much
much too
too much
much too
+形容词或副词，意为“太”
知识点16 too much 和much too的用法
Part4 综合训练
根据情景提示或图画、提示词，完成下列句子：
1.老师告诉我们熬夜对健康有害，他这样说：
_______________________________________________.
2.医生告诉病人不要吃太多，他这样说：
_______________________________________________.
3.你看到朋友一脸疲惫，你关心地问：
You ______________, _________________
4.before meals,good ____________________________________
5.should,early _________________________________________
Staying up late is bad for our health
You shouldn't eat too much./ Don't eat too much
look tired
what's wrong
Washing hands before meals is good for our health.
You should go to bed early.
句型操练
Unit 2 Topic 2 Section A
根据情景提示或图画、提示词，完成下列句子：
1.你想知道朋友在看(阅读)什么，可以这样问：
_______________________________________________
2.你想向朋友借书，可以这样问：
_______________________________________________
3.当老师知道有些同学不吃早饭上学时，这样告诫他们：
___________________________________ for your health.
4.good,exercise __________________________________
5.ask,give _______________________________________
What are you reading
May I borrow your book
Going to school without breakfast is bad
Walking is good exercise.
The doctor is asking the man to give up smoking.
句型操练
Unit 2 Topic 2 Section B
根据情景提示或图画、提示词，完成下列句子：(40分)
1.妈妈不让小英吃糖，她这样说对小英说：
______________________________________________.
2.当你听说吸烟对肺有害并可能造成癌症时，你惊叹到：
_______________________________________________!
3.老师经常告诉我们早睡早起的好处，他这样说：
_______________________________________________.
4.have,breakfast ________________________________
5.take,well _____________________________________
You mustn't eat too much candy
It will keep you active during the day
How terrible
He often has milk and an egg for breakfast.
She takes care of the dog well.
句型操练
Unit 2 Topic 2 Section C
根据情景提示或图画、提示词，完成下列句子：
1.当你看到有人乱扔垃圾时，你这样说对他说：
_______________________________________________.
2.你想知道朋友每天看多久电视，可以这样问：
_______________________________________________
3.你想知道朋友多久运动一次，可以这样问：
_______________________________________________
4.should,often ____________________________________
5.should,before meals ______________________________
Don't throw litter around
How long do you watch TV every day
How often do you exercise
We should open the window often.
We should wash hands before meals.
句型操练
Unit 2 Topic 2 Section D
1,看电视太多对你的眼睛有坏处
2.熬是个坏习惯。
3.阳光下看书对你有坏处
4.做早操使我强壮
5.早起床是重要的
6.不吃早饭上学导致胃痛
Watching TV too much is bad for your eyes.
Staying up is a bad habit
Reading in the sun is bad for you.
Doing morning exercises make me strong.
Getting up early is important.
Going to school without breakfast causes stomochache.
翻译练习
7.我们必须把垃圾放到垃圾箱里
8.你们一定不能在阳光下看书
9.我爸爸叫我戒烟
10.我老师叫我不要放弃英语
We must put litter into the dustbin.
You must not read in the sun
My father asks me to give up smoking
My teacher asks me not to give up English.
翻译练习
11.吸烟可能导致癌症
12.睡觉太迟对你的健康有坏处.
Smoking may cause cancer.
Going to bed too late is bad for your health
翻译练习
13.这把尺子足够长
14.我们强迫他戒烟
15.他很吃惊地发现他的自行车丢了
16.事实上,他是我们班最好的学生之一
The ruler is long enough
We force him to give up smoking.
He is surprised to find his bike is lost.
In fact,he is one of the best students in our class.
翻译练习
17.你应该尽快回来.
18.我必须现在完成作业吗 (并回答)
You should come back as soon as possible.
Must I finish my homework now
Yes, you must.
No, you needn’t
翻译练习
根据句意、音标或所给单词的适当形式填空：
1.It’s__________(/nes s ri/) for us to learn a second language(语言).
2.Sports can help you keep __________ (/' ktiv/) all day.
3.Everyone can't live __________water.
4.You should give up________(smoke) or you may have a lung cancer.
5.We should keep the windows_________(open) to get more fresh air. 6.When you cross the street, you must be___________(care).
7.The fanny monkey made us __________(laugh) all the time.
8.The boy is often ill so he is very___________(/wi:k/).
9.Breakfast can give you enough_________(/'en d i/) for the morning.
10.My mother takes __________ of my sister and me. She is nice.
necessary
active
energy
weak
laugh
careful
open
smoking
without
care
综合运用
( )1. It’s a secret between you and me. You ____tell others about it.
A. should B. mustn't C. needn't
( ) 2,.—________to come to my birthday party tomorrow.
A. Don't forget B. Forget C. Not forget
( )3. You drink_________. You need to give up_____.
A. too much, drinking B. too little, drinking C. too much, drink
( )4. —I can't keep myself active during the day.
—You_____take more exercise.
A. may be B. must be C. need to
( )5. You had better ask your brother___playing computer games.
It’s bad for him.
A. to give up B. not to give up C. not give it up
B
A
A
C
A
综合运用
单项选择题
( )6. —Must I return the book before Friday, Miss Zhang
—No, you ________. You can keep it for another two days.
A. mustn't B. can't C. needn't
( )7. You ________ play with the knife. It’s very dangerous.
A. needn't B. mustn't C. may not
( )8. Lin Tao is ________ to carry the big box.
A. enough strong B. strong enough C. weak enough
( )9.______—do you go swimming —Twice a week.
A. How often B. How long C. How far
( )10. Maybe ________ these pills _______good for you.
A. take, is B. taking, are C. taking, is
C
B
B
A
C
综合运用
单项选择题
You need to have healthy eating habits. Breakfast gives you 1_________ (/i'nΛf/) energy for the morning. So don't go to school 2________ it. Fruit and vegetables are 3________ for your health, but fast food, 4_________potato chips, will make you fat and 5_________(health). So you must eat the 6_________ (/ralt/) food to keep healthy.
7_________ (do) sports can also help you keep fit. But sometimes it may cause 8__________ (accident), so stay safe when you are playing sports. It’s 9__________ (/'nes s ri/) to learn about first aid. Then you can help yourself or 10________ (other) if an accident happens.
enough
healthy
Doing
accidents
necessary
others
like
right
good
without
综合运用
短文填空
Part5 写 作 指 导
书面表达
自从新型冠状病毒肺炎爆发以来，为了打赢这场没有硝烟的战争，武汉封城，全国人民都在努力去做力所能及的事情。作为学生，在疫情期间，我们应该如何去预防新型冠状病毒肺炎，请你想一想，写一篇80字的短文，倡议同学们在疫情期间应该怎样去预防新型冠状病毒肺炎。要求包括以下几点内容：
1，每天保持室内的通风；2，不要到人群密集的地方；
3、吃饭前、大小便后勤洗手；4，出门要佩戴口罩，远离疑似病例或者是确诊病例；
5，不串门，不聚餐，不吃野生动物；6，一旦发现有发烧症状，不恐慌，立即及时就医。
keep …ventilation 保持……通风after defecating and urinating大小便后
wear a mask 佩戴口罩during an outbreak在疾病爆发的时候suspected or confirmed cases疑似或确诊病例
参考范文：
Since the outbreak of novel coronavirus pneumonia, the city of Wuhan was closed.We Chinese people have been trying to do what we can to win the war without fighting. As students, how do we prevent the novel coronavirus pneumonia during an outbreak.
First,we must keep indoor ventilation every day;Second,don't go to crowded places;Third,wash hands before eating and using the toilet;Fourth,wear a mask when we going out and stay away from suspected or confirmed cases; Fifth, no visits, no dinners,and no wild animals;Finally,see a doctor in time if we have fever.
In a word，it's our duty to prevent the novel coronavirus pneumonia during an outbreak.We need to do what we can.