人教版英语八年级上册 Unit 2 How often do you exercise? Section B (2a-2e) 课件 (共18张PPT)

(共18张PPT)
Unit 2
How often do you exercise
Lesson Four
Section B (2a—2e)
Look at the pictures and say out the activities.
Warming-up
Warming-up
What do you usually do in your free time
How do you relax yourselves, watch TV, play computer games or exercise
Free talk
Pre-reading
Rank these activities according to how often you think your classmates do them (1=most often, 6-least often).
Read and complete the pie charts.
2b
15
20
20
45
10
90
13
2
85
While-reading
Read again and answer the questions.
1. What percent of the students do not exercise at all
2. What percent of the 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 game shows.
2c
While-reading
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 and you can spend time with your friends and family as you play together.
No, I don’t think so. Because they watch TV more and exercise less.
While-reading
According to the article and the pie charts, write sentences with the percentages using always, usually or sometimes.
1. 90%:
2. 85%:
3. 45%:
4. 10%:
5. 13%:
6. 2%:
Ninety percent of the students always use the Internet.
Eighty-five percent of the students always watch TV.
Forty-five percent of the students usually exercise.
Ten percent of the students often use the Internet.
Thirteen percent of the students usually watch TV.
Two percent of the students sometimes watch TV.
2d
While-reading
Post-reading
Fill and retell
45%
1—3 times a week
20%
at least 3 or 4 times a week
1—3 times a week
85%
ask sb. about sth. 关于某事询问某人
e.g. Someone is asking Lucy about the wonderful building.
1. Last month we asked our students about their free time activities.
ask sb. sth. 询问某人某事
e.g. Can I ask you some questions
ask sb. for sth. 向某人要某物
e.g. Please ask the teacher for help.
ask sb. to do sth. 要求某人做某事
e.g. My mother asks me to do my homework on time.
Post-reading
Language points
2. We found that only fifteen percent of our students exercise
every day.
percent 百分之……，后常与of搭配
e.g. Only 15 percent of our students play sports every day.
注意：percent没有复数形式，做主语时根据它所修饰的名词来判断谓语的单复数。
e.g. About 70 percent of the earth is covered with water.
Post-reading
3. And twenty percent do not exercise at all!
not … at all 一点也不，根本不
e.g. She isn’t good at playing soccer at all.
She can’t speak Chinese at all.
She doesn’t like exercising at all.
Post-reading
4. The answer to our questions about watching television were
also interesting.
the answer to… ……的答案
注意：此处不可与of连用
常用的词组有：
the key to the door 门的钥匙
the ticket to the train 火车票
the way to the school 去学校的路
the ability to language learning 语言学习的能力
the secret to English learning 英语学习的秘诀
Post-reading
5. Although many students like to watch sports, game shows are
the most popular.
although为连词，意为“虽然，尽管”。
注意：在英语中，当表示“虽然…… ，但是……”这样的意思时，although和but不能在同一个句子中使用。也就是说，在一个句子中，有although就没有but，反之亦然。
e.g. Although the car is old , it still runs well.
=The car is old , but it still runs well.
Post-reading
6. It is good to relax by using the Internet or watching game
shows,…
句型：It is adj. (+for sb.) to do sth.
it为形式主语，指代后面的to do
e.g. It is important for us to learn English well.
It is good for our health to eat more vegetables.
Post-reading
1—3 times a week.
How often do you play sports
…
…
Work in pairs. Ask your classmates how often they do this activity and make a pie chart.
2e
How often do you read books
Every day.
Post-reading
Summary
1. Last month we asked our students about their free time activities.
2. We found that only fifteen percent of our students exercise every day.
3. And twenty percent do not exercise at all!
4. The answer to our questions about watching television were also interesting.
5. Although many students like to watch sports, game shows are the most popular.
6. It is good to relax by using the Internet or watching game shows,…
Homework
1. Write your own health report about “How healthy are you ”.
2. Recite the new words we have learnt.