人教版八年级上册Unit 2 How often do you exercise? Section B 1a-3a 课件 （共47张PPT，内嵌音频）

(共47张PPT)
Unit 2
How often do you exercise 第二课时
A:How often do you go shopping/...
B:I...
Review
A:How often does she/he/Mary do these activities
B:She/He...
every day
four times a week
often
Do they eat healthy food
Lead in
junk food
Junk food is bad for our health.
对......有害
They are good for health.
tomatoes
potatoes
cabbage
carrots
onions
vegetables
bananas
strawberries
oranges
pears
apples
fruit
milk
tea
orange juice
healthy drinks
对......有益
1. ___ junk food 3. ___ fruit 5. ___ sleep
2. ___ milk 4. __ vegetables 6. ___ coffee
a
f
c
d
e
b
1a
Match the words with the pictures.
a
b
c
d
e
f
are good for health.
Junk food is bad for health.
1b
Ask and answer questions. Use the words from 1a.
How often do you drink milk, Liu Fang
I drink milk every day.
Do you like it
No. But my mother wants me to drink it. She says it’s good for my health.
Practice
1. want sth.“想要某物” want to do sth.“想要做某事”
主要考点是搭配，和would like及feel like的搭配
2. be good for... “对...有益” (反义词be bad for... “对...有害”)
be good at... “擅长”
be good with... “和......相处得好”
1) My sister is good ___old people. A. for B. at C. with D. of
2) Fresh (新鲜的) food is good___ our health, and my friend Lily is good ___cooking (烹任) nice food
A. at: for B. with: for C. for: at D. at: with
C
C
主要考点是汉意
※ 3. health （不可数名词）“健康”；
healthy （形容词）“健康的”
keep healthy = stay healthy = keep in good health 保持健康
( )1. I think eating more ____ food can help you keep ____.
A. health, health B. health, healthy
C. healthy, health D. healthy, healthy
( )2. Mom keeps telling me not to eat too much meat because it’s
bad for my ____.
A. health B. grade C. talent D. luck
D
A
主要考点词性和短语“保持健康”
A reporter is interviewing(采访) Tina and Bill.
Let's see who has good habits.
1c
Listen to an interview about two people’s daily habits. Circle your answer to each question.
Does Tina have good habits Yes. No. I don’t know.
Does Bill have good habits Yes. No. I don’t know.
Tip1: Listen to the key words
Listening
Questions Tina Bill
1. How often do you exercise
2. How often do you eat fruit
3. How many hours do you sleep every night
4. How often do you drink milk .
5. How often do you eat junk food
6. How often do you drink coffee
Listening
Listen again. Fill the blanks. (听力填空)
1d
every day
nine
hardly ever
never
nine
every day
never
2 or 3 times a week
3 or 4 times a week
never
4 times a day
every day
Tip2: Listen to the key words,write the first letter while listening.
4. go to bed “上床睡觉”(强调动作及过程，不一定睡着)
go to sleep “入睡，睡着；进入梦乡”
How often do you …
Lead in
How often do you …
I sleep eight hours every night.
How many hours do you sleep every night
be good for our health
be bad for our health
2a
Rank these activities according to how often you think your classmates
do them (1=most often, 6=least often).
watch TV go to the movies
play computer games
exercise or play sports
use the Internet
go camping in the country
Pre-reading
15
4 times a week
85
90
20
20
2
13
10
45
2b
Read the article and complete the pie charts on the next page.
While-reading
2c
Read the article again and answer the questions.
1. How many percent of the students do not exercise at all
2. How many percent of the students use the Internet every day
Twenty percent of the students do not exercise at all.
Ninety percent of the students use the Internet every day.
Post-reading
3. How often do most students watch TV What do they usually watch
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
Most students watch TV every day. They usually watch game shows.
The writer thinks exercise is the best way to relax because it’s healthy for the mind and 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.
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%: __________________________________
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.
5. ask sb. to do sth. “要求某人做某事”
ask sb. about sth. “询问某人关于某事”
主要考点是不定式(to do)
6. Here is/are... 这是......
Here are the results. 这是（调查）结果。
7. ①find sb./sth. + 名词
②find sb./sth. + 形容词
※ ③find sb./sth. + 动词ing “发现，发觉”
We find him a good boy. 我们发现他是一个好孩子。
We find the room dirty. 他发现这个房间很脏。
I find her standing at the door. 我发现她正站在门口。
You can find people ________ (eat) hamburgers.
主要考点是find sb. doing sth. “发现某人正在做某事”
eating
8. 数字 + percent “百分之......” ※ （作主语时，根据它所修饰的名词来判断谓语的单复数。）
Forty percent of the students in our school are girls.
我们班40%的学生是女生。
Seven percent of water on the earth is salt water.
地球上百分之七十的水是咸水。
About 60 percent of the students ____ from the south, the rest(其余的) of them ____ from the north and foreign countries.
A. are, is B. are, are C. is, are D. is, is
B
主要考点是主谓一致
1）Eighty percent of the teachers ____ women teachers in our school.
A. is B. are C. be D. was
2）20%的钱是你的。
Twenty percent of the money ________ yours.
3）Only fifteen percent of the students ________in the classroom
ten minutes ago.
A. are B. was C. were D. is
B
is
C
9. not... at all “一点儿也不，根本不”
I don’t like apples at all. 我一点也不喜欢苹果。
not at all “不客气”＝ you are welcome
10. at least “至少”（反义词at most “最多”）
主要考点是汉意
11. although “虽然，尽管” = though ※ (与but不能同时使用)
Although it rained, the boys still played outside.
= It rained, but the boys still played outside.
尽管天下雨了，但是那些男孩们仍在外面玩耍。
主要考点是与but不同时出现
1) ____ it rained a lot, we enjoyed our holiday.
A. Although B. Because C. Unless D. However
2) –Is that your grandpa
-Yes, although he is very old, ____ he works very hard.
A. and B. but C. / D. so
3) Bike sharing is very useful in our daily life ____ it still has
some disadvantages(缺点).
A. unless B. because C. although
A
C
C
※ 14. It’s + 形容词 (for sb.) + to do sth.
“（对某人来说）做某事是......的”
(此处形容词是修饰物的形容词，如difficult, important等)
It’s easy for us to swim.对我们来说游泳很容易。
▲It’s + 形容词 (of sb.) + to do sth.
“某人做某事很……”
(此处形容词是修饰人的品质、性格形容词，如clever, kind等)
It’s kind of you to help me.你能帮助我，真是太好了。
主要考点是句型，特别是to do部分
1) It’s clever ____ you ____ so many toy ships.
A. of, making B. of, to make C. for, to make D. for, making
2) It’s ____ for us ____ polite(礼貌的) in class.
A. interesting, to become B. good, to
C. important, to D. necessary(必要的), to be
3) ____ careless of you to make lots of mistakes.
A. That’s B. It’s C. It D. Its
4) It’s very nice ____ you to get me two tickets ____ the World Cup.
A. for, of B. of, for C. to, for D. of, to
5) It’s very dangerous for us ____ the mobile phone while
crossing the street.
A. answering B. to answer C. answer
B
D
B
D
B
※ 15. through
① “以，凭借，通过”
He got the job through his friend.他通过他的朋友得到了这份工作。
②“从（内部）穿过，经过”
We went through the forest at last.我们最后穿过了森林。
拓展：across“(平面)穿过” past“经过” over“(上方)跨过”
主要考点是四个“穿过”的区分
1) –It’s said that the best way to relax is ____ exercise.
-I see. But you should keep away from dangerous sports.
A. with B. for C. across D. through
2) Light comes in ____ the window.
A. across B. cross C. through
3) –Larry, can you tell me the secret(秘密) to your success
-The only way to succeed is ____ hard work.
A. through B. with C. at D. on
D
C
A
※ 16. spend
1）人+ spend + 时间 + with sb. “与度过……”
I spent the weekend with my friends. 我与朋友共度周末。
2）“花费（时间，金钱等）”
①人 + spend + 时间/金钱 + on sth.
②人 + spend + 时间/金钱 + (in) doing sth.
▲It takes/took/will take + 人 + 时间/钱 to do sth.
人 + pay… for sth.
物 + cost + 时间/钱/精力
I often spend a lot of time ____ football after class.
A. practicing play B. to practice playing
C. to practice to play D. practicing playing
D
Activities Days a year
Exercise Read books Drink juice Stay up late 365
365
210
15
Watch TV for over 2 hours Eat hamburgers Help with housework Go to the dentist 320
95
20
0
Look at the information in the chart and complete the report.
3a
17. however “然而，可是”（与句子相联有逗号）
but “可是，但是”（与句子相联没逗号）
It is raining. However, we are still playing on the playground.
It is a sunny morning, but very cold.
18. be afraid to do sth. = be afraid of doing sth. “害怕做某事”
I’m afraid to travel by plane. = I’m afraid of traveling by plane.
我害怕乘飞机旅行。
be afraid of sb./sth. “害怕某人/某事”
Some children are afraid of the dark. 有些小孩怕黑。
be afraid + 从句 “恐怕，担心”
I’m afraid I have to go now. 恐怕现在我得走了。
主要考点是to do和of doing
练习：根据汉意完成句子
1. 他害怕去医院。
He ______ ______ ______ ______ to hospital.
He ______ ______ ______ ______to hospital.
2. 她晚上不敢出去。
She ______ ______ ______ ______ ______ at night.
3. “今晚你能来吗？” “恐怕不能来。”
-Can you come tonight
-______ ______ ______.
is afraid to go
is afraid of going
is afraid to go out
I'm afraid not
19. almost“几乎，差不多”，放于be动词，实义动词前，
不能放于句末
almost not“几乎不”= hardly (ever)
I almost forget to write to him. 我几乎忘记了给他写信。
It was almost like a good dream. 这几乎就像一场梦。
Yesterday Mr. White was ____ late. Thanks to his taking the taxi.
A. almost B. already C. really D. seldom
A
主要考点是汉意