Unit 2 How often do you exercise Section B 2a-2d课件 (共26张PPT)人教版八年级上册

(共26张PPT)
Unit 2
How often do you exercise
Section B (2a-2d)
Learning Objectives
To learn about the free time activities of the students from No. 5 High School
To learn new words: percent, through, however, almost, none, less, point…
Free talk
What activities do you usually do in your free time
How often do you do these activities
___%
every day
Exercise
______ %
4-6 times a week
___ %
1-3 times a week
___%
no exercise
20
15
20
45
Read carefully and complete the pie charts below.
2b
15% of our students exercise every day.
Great works are performed not by strength but by perseverance
______ %
4-6 times a week
______ %
1-3 times a week
______ %
every day
85
13
2
Read the forth paragraph and fill in the blanks.
Watch TV
Great works are performed not by strength but by perseverance
Skimming
Please find the main idea of each paragraph.
B. It is a survey about students’ free time activities.
A. It is about how often students watch TV.
C. It is about how often students exercise.
E. It is about how often students go online.
Para.1
Para.2
Para.3
Para.4
Para.5
D. The best way to relax is through exercise.
Fast reading:
（略读法：跳跃式阅读，注重开头，结尾，关键词，主题句）
Read the passage quickly and divide(把...分成) the passage into three parts
Part 1
Part 2
Part 3
Topic of the survey
Results of the survey
Conclusion(结论) of the survey
Read part 1 carefully and answer the questions
What were the questions about
Topic
Who
What
When
Part 1
Who did the writer ask
When did the writer do the survey
Exercise, use of the Internet,
and watching TV.
The students of No.5 High School.
Last month
Careful reading:
Read part 2 and finish the pie charts
Part 2
Results of the survey
Careful reading:
Tips：pay attention to percentage words（百分比）
Read para. 3 and finish the second pie chart
Para. 3
2.What do most students use the Internet for
Most students use the Internet for fun.
10
90
1.What percent of the students use the Internet ________
___________ of the students use the Internet ________.
every day
Ninety percent
every day
3-4 times a week
3-4 times a week
Ten percent
Careful reading:
Read para. 4 and finish the third pie chart
Para. 4
2. What do they usually watch
They usually watch game shows.
1. What percent of the students watch TV ______________
13
2
85
________________ of the students watch TV_____________.
every day
Eighty-five percent
every day
4-6 times a week
Thirteen percent
4-6 times a week
1-3 times a week
Two percent
1-3 times a week
Careful reading:
Presentation
Read the last part and answer:
conclusion(advice)
1.What the authors’ opinion about the best way to relax Why
2.How do the authors support the opinion(论证这观点)that exercise is healthy for the mind and the body
3.why can’t people keep exercising
4.What is the writer’s advice(建议）for students
The best way to relax is through exercise.
It is healthy for the mind and the body.
They use an _______.
example
Old habits die hard.
旧习难改
Start exercising before it’s too late.
现在开始练习还为时不晚。
opinion
reasons
advice
Survey Background
(Para. 1)
when
where
who
what
exercise
No.5 High School
students
Ask them about their free time activities
Last month
Use of the Internet
Watching TV
Survey Result
(Paras.2-4)
Most students use the Internet for fun.
Game shows are the most popular.
Conclusion
(Para. 5)
opinion---the best way to relax
reasons---It’s healthy for...
advice---So start...
1.Why does the writer write the report
To show his worry and give his advice.
2.What is the relationship between exercise…TV How do you know it
All of them are ways to relax.
“It’s good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. ”
Discuss the following questions in groups.
1. Do you think the students in No. 5 are healthy Why or why not
No, I don’t think so. Because most students use Internet or watch TV on their free time.They don’t like exercising. They are lack of exercising. They are unhealthy.
2. If you are a principal (校长) of No. 5 High School, can you give dear students some advice to help them improve health
Good living habits are healthy for the mind and the body.
We should exercise _________. ……
We can’t go online or watch TV _________. ……
And remember, “old habits die hard.”
So make a good plan before it’s too late.
Presentation
Look and say
Lead to objective 3
After reading
2e
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.
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
Students’ free time activities also include playing computer
games, going shopping, helping with housework…
Work in groups of 4.
Choose one free time activities.
S1: asks at least 10 students: How often do you…a week
S2: takes notes and record data(记录数据)
S3: draws a pie chart
S4: presents(展示) the pie chart in English.
Match the headings（标题）with the paragraphs 1 to 5.
Be a clever reader !
Para1.
Topic(话题）
Watching TV
Use of the Internet
Para2.
Exercise
Para3.
Para5.
Free time activities
Conclusion（总结）
Para4.
Great works are performed not by strength but by perseverance
2d
According to the article and the pie charts, write sentences with the percentages using always, usually or sometimes.
1. 90%：__________________________
__________________________
2. 85%: __________________________
__________________________
3. 45%: ____________________________
___________________________
Eighty percent of the students always watch TV.
Ninety percent of the students always use the Internet.
Forty-five percent of the students usually exercise.
4. 10%: ____________________________
_____________________________
5. 13%: _____________________________
_____________________________
6. 2%: _____________________________
____________________________
Ten percent of the students sometimes use the Internet.
Thirteen percent of the students usually watch TV.
Two percent of the students sometimes watch TV.
Language points
1. We found that only fifteen percent of our students exercise every day.
percent 名词，意为“百分之……”
e.g. Eighty percent of the students in
our class exercise every day.
我们班里80%的学生每天都锻
炼。
【注意】
percent做主语时，谓语动词的数要根据其后面的名词来确定。
e.g. Fifty percent of the apples are bad.
50%的苹果都坏了。
Twenty percent of the meat is in the
fridge.
20%的肉都在冰箱。
2. And twenty percent do not exercise at all!
not … at all 意为“一点也不”， not应和be动词、助动词或情态连用。
e.g. 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’t use the computer
at all.
那位老人一点也不会用电脑。
3. Although many students like to watch sports, game shows are the most popular.
although 连词，“尽管，虽然；即使”
e.g. We went fishing although it was cold.
尽管天气很冷，但是我们还是去钓
鱼了。
单项选择。
( )1.They practice English ______ joining the English club.
A．by　　　　　B．in　　　C．on　　　　 　D．with
( )2.My father likes to take a bus to his office _____ he has a car.
A．although B．if C．because D．when
( )3.In this shop，60 _____of the watches _____ from other countries.(易错题)
A．percents；are B．percent；is
C．percents；is D．percent；are
A
A
D
( )4.I enjoy playing computer games，but I can't _____ too much time ______that.
A．take；doing B．spend；doing C．spend；to do D．take；to do
( )5.He tried to get into the room ___ the window，because he couldn't open the door.(易错题)
A．across B．for C．along D．through
B
D
Exercise
根据汉语意思完成句子
1．他会说好几种语言，比如，英语和日语。
He can speak several languages ________ ________ English and Japanese.
2．在你离开房间之前，不要忘记关窗户。
Don't forget to close the window _______ ______ _______ the room.
such as
before you leave
3．我喜欢许多动物，比如，熊猫。
I like many animals, ________ ________， the panda.
4．他通过锻炼来保持健康。
He stays healthy ________ ________．
5．百分之三十的学生每周看一次电视。
________ _______ _______ the students watch TV once a week.
for example
through exercise
Thirty percent of