Unit2 SectionB 2a-2e 课件 人教新目标版 八年级上册 Unit2 How often do you exercise?

(共39张PPT)
Unit 2
How often do you exercise
SectionB 2a-2e
01
Warming -up
What do you usually do on weekends
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Pair work
（可以点击任意猫头）
A:How often do you ...
B:I....
exercise
three times a week
use the Internet
once a day
watch a movie
twice a month
watch TV
four times a week
The boys read the words in black and the girls read them in red.
result
precent
writer
together
die
online
television
although
through
watch TV go to the movies play computer
games
exercise or play sports use the Internet go camping in
the country
Rank these activities according to how often you think your classmates do them (1=most often,6=least often 1最多6最少)
go online
For me, I most often go online.
I least often go to the movies.
2a
Let’s learn some useful expression
100 percent
51-99percent
1-50 percent
0
百分数用基数+ percent表示
50％ fifty percent　百分之五十
3％ three percent　百分之三
02
Reading
Have a discussion:
How students do these activities in their free time ？
watch TV
A
read books
B
use the Internet
C
Read the article and complete the pie charts on the next page.
What Do No.5 High School Students
Do in Their Free Time
Last month we asked our students about their free time activities. Our questions were about exercise, use of the Internet and watching TV. Here are the results.
2b
We found that only fifteen percent of our students exercise every day. Forty-five percent exercise four to six times a week. Twenty percent exercise only one to three times a week. And twenty percent do not exercise at all!
We all know that many students often go online, but we were surprised that
ninety percent of them use the Internet every day. The other ten percent use it at least three or four times a week. Most students use it for fun and not for homework.
The answers to our questions about watching television were also interesting.
Only two percent of the students watch TV one to three times a week. Thirteen percent watch TV four to six times a week. And eighty-five percent watch TV every day! Although many students like to watch sports, game shows are the most popular.
It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. It is healthy for the mind and the body. Exercise such as playing sports is fun, and you can spend time with your friends and family as you play together. And remember,
“old habits die hard”. So start exercising before it’s too late!
Results 调查结果
Comments 调查结论
Topic 调查内容
Para .1
Para. 2, 3, 4
Para. 5
Skim the article and match each paragraph with the following parts.
Exercise
Watching TV
Go online
Reading task
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Read each paragraph quickly and draw a line to get the main idea.
Para1.
Para2.
Para3.
Para5.
Free time activities
Para4.
It is about how often students watch TV.
B. It is a survey about students’ free time activities.
C. It tells how often students do exercise.
D. The best way to relax is through exercise.
E. It is about how often students go online.
Read the article and mark True (T) or False (F).
1. We found that twenty percent of our students exercise every day.
2. Ninety percent of the students use the Internet every day.
3. Most students use the Internet for homework.
4. Only twenty percent of the students watch TV two or three times a week.
5. Do exercise is healthy for the mind and the body.
F
T
F
F
T
Read the article again and answer the questions.
1.How many students do not exercise at all
2.How many students use the Internet every day
3.How often do most students watch TV What do they
usually watch
20% students do not exercise at all.
90% students use the Internet every day.
Most students watch TV every day. They usually
watch sports, game shows.
2c
4. What does the writer think is the best way to
relax Why
5. Do you think the students at No.5 are healthy
Why or why not
Exercise, because it is healthy for the mind and the body.
No , I don’t think so.Because most of the students use Internet or watch TV in their free time. They don’t like exercising. It’s unhealthy.
Read the article and complete the pie charts on the next page.
15
20
20
45
10
90
13
2
85
4-6 times a week
4-6 times a week
1-3 times a week
01
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According to the article and the pie chart, write sentences with the percentages using always, usually or sometimes.
1. 90% :___________________________________
2. 85% :___________________________________
3. 45% : ___________________________________
4. 10% : ___________________________________
5. 13% : ___________________________________
6. 2% : ___________________________________
90% of students always use the Internet.
85% of students always watch TV.
45% of them usually exercise.
10% of them sometimes use the Internet.
13% of them sometimes watch TV.
2% of them sometimes watch TV.
2d
Choose one of these free time activities or think of your own. Then ask your classmates how often they do this activity and make a pie chart. Show the pie chart to your class.
play computer games read books
go shopping draw pictures play sports
How often do you… Names of classmates
1-3 times a week
4-6 times a week
every day
2e
Mind map
What Do No. 5 High School Students Do in Their Free Time
引出问题
(Para. 1)
调查结果
(Para.2-4)
得出结论
(Para. 5)
free time activities
Use the Internet
Exercise
Watch TV
15%—every day
45%—four to six times a week
20%—one to three times a week
20%—never
90%—every day
10%—at least three or four times a week
Most students use it for fun and not for homework.
2%—one to three times a week
13%—four to six times a week
85%—every day
Game shows are the most popular.
The best way to relax is through exercise. It's healthy for the mind and the body.
Language points
03
1. We found that only fifteen percent of our students exercise every day.
percent n.“百分之……”没有复数形式
基数词+percent+ of...“百分之……的……”作主语时，谓语的数和of后的名词，代词保持一致。
Language points
2. Although many students like to watch sports, game shows are the most popular.虽然很多学生喜欢看体育节目，但游戏节目是最受欢迎的。
although是连词，意为“虽然，即使，纵然”，引导让步状语从句，相当于 though，大多数情况下两者可互换。注意：although 引导的从句不能与but 连用，有although 就没有 but（即 although but不同现）。
Although it rained, the boys still played outside.
= It rained, but the boys still played outside.
尽管天下雨了，但男孩们仍在外面玩耍。
Ex.He didn't say sorry to me. He was wrong .
(合并为一句）
He didn't say sorry to me________he was wrong.
although
3....but we think the best way to relax is through exercise.
through prep. 以，凭借，穿过
eg.Light comes in through the window.
易错点：辨析through, across ,over (见下图）
4.. And twenty percent do not exercise at all!
百分之二十的学生根本不运动！
The story isn’t interesting at all.
那个故事一点也没有趣。
They didn’t enjoy the vacation at all.
他们根本不喜欢那次旅行。
The old man can hardly ever use the computer at all.
那位老人一点也不会用电脑。
not … at all “一点也不”，注意：not代表了所有否定句，次结构可理解为在否定句末加上at all加强否定句语气。
拓展：在口语中单独说 not at all, 可用来表示“不用谢”“没关系”。
5. Exercise such as playing sports is fun, and you can spend time with your friends and family as you play together.
I know four languages, such as, English and Chinese.
我了解四种语言，例如英语、汉语。
She likes animals such as rabbits and birds.
她喜欢像兔子、小鸟这样的小动物。
such as 用来举例，意为“例如；诸如此类的；像······那样的”，结构常为：名词+ such as + 例子。
注意：其后面不可列举出所有的事物。
6. … but we were surprised that ninety percent of them use the Internet every day.
我们对这个消息感到很惊讶。
We are surprised at the news.
我在这里见到你很惊讶。
I am very surprised to meet you here.
surprised 形容词，意思是“感到惊讶的”，修饰人，surprising “令人惊讶”，修饰物。 常用结构：
1）be surprised at sth 对某事感到惊讶
2）be surprised to do sth 做某事而感到惊讶
3）be surprised + that从句 因……而惊讶
7. So start exercising before it’s too late!
所以要赶快锻炼起来，不要等到来不及了。
Now you know you’re wrong, but it’s too late.
现在你知道你错了，但是已经太晚了。
你应当更加用功，别等到为时过晚而赶不上了。
You should work harder before it’s too late to catch up.
start doing sth/to do sth=begin to do sth/doing sth 开始做某事
it’s too late 为时太晚；来不及了
it’s too late与before共同组成从句，表示“不要等到为时已晚；不要等到来不及的时候；趁着还来得及 ”。
04
Exercises
Ⅰ. 单选。
1. I hardly exercise so I think I’m kind of _____.
A. healthy B. health
C. unhealthy D. unhealth
2. My sister likes fruits ______ she doesn’t like vegetables.
A. and B. but C. or D. also
3. Jim’s parents want him _______ more fruits.
A. eating B. eat C. to eat D. eats
Exercises
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4. We ___ go out to eat but not very often.
A. usually B. always
C. never D. sometimes
5. ___ do you read English
A. What B. How often
C. How far D. How much
二 根据汉语意思完成句子
1.90%的学生每天上网，太让我们惊讶了。
We are surprised that _____ ________ of
the students ______ ______ every day.
ninety percent
go
online
2.通过使用网络放松不错，但我认为最好的放松方式是通过锻炼。
It's good to relax ______ ______ the Internet,
but I think the best way to relax is ________ exercise.
I like playing sports, ______ ______ basketball and swimming.
by using
through
such as
3.我喜欢体育运动，比如篮球和游泳。
Write your own health report about
“How healthy are you ”.
2. Recite the new words we have learnt.
Homework
THANK YOU