(共31张PPT)
人教新目标版 八年级上册
Unit 2 How often do you exercise
Section B 3a-self check
Learning objectives
Knowledge objectives:
1. 熟练掌握以下词汇和短语
dentist; magazine; however; than; more than; almost; none; less; less than; point; 16-year-old; go to the dentist.
2. 熟练掌握以下句型
1. She never goes to the dentist for teeth cleaning.
2. How often do you eat fast food
3. How many hours do you watch TV every week
Skill objectives:
1. 通过观看短视频引入本课话题，了解了学生日常生活习惯，并且分辨出好习惯与坏习惯。
2. 通过完成Section B 3a，梳理篇章结构，掌握报告(说明文)的写作方法。
3. 通过写作范例展示，由简入难，使学生逐步掌握写作技巧，梳理成文。
Emotional objectives:
通过本单元系统学习，写作应用，培养学生养成健康的生活习惯。
Thinking quality objectives:
通过本单元学习，让学生知道不良的生活习惯带来的问题，及如何改掉这些不良的生活习惯。
Warm up
Let’s watch a video.
Warm up
We have a lot of good habits. How often do you____
exercise every day
read books after shcool
usually help with housework
drink juice in the moring
go to the dentist once a month
go to bed early every night
dentist[ dent st]
n. 牙医;牙科医生
Healthy
However, we also have some bad habits. How often do you______
always eat hamburgers
always stay up late
However[ha ev (r)] adv.然而；不过
watch TV too long
play computer games
eat junk food
fight with someone
Unhealthy
This is Jane.
Pre-writing
Jane is a 16-year-old high school student in the United States.
American Teenager magazine asked her about her habits.
Do you want to know the rusult
American Teenager [ ti ne d (r)]
《美国青少你》
magazine[ m ɡ zi n]
n. 杂志；期刊
Look at the information in the chart in 3a and work in pairs and role play conversations. Please use frequency words.
always
always
usually
often
sometimes
hardly ever
hardly ever
never
Reporter：Hi, Jane! How often do you exercise
Jane：I exercise every day. I always exercise.
Reporter：How often do you read books
Jane：I always read books
Reporter：How often do you…
Jane：…
Jane’s daily activities can be classified into(分类) _________ and _________.
good habits
bad habits
Everyone has both ___________and ___________. So does Jane.
good habits
bad habits
3a
Look at the information in the chart and complete the report.
every day
usually
sometimes
often
hardly ever
never
hardly ever
Language points
1. Jane is a 16-year-old high shcool student in the United States.(教材P15 3a)
复合形容词由两个或两个以上的单词构成，词与词之间常加连字符“-”。16-year-old是由“基数词+名词+形容词”构成的复合形容词，意为____________，常用在名词前作______，而16 years old常用作______。
“十六岁的”
如：我有一个16岁的妹妹。
I have a ___________ sisiter.
我姐姐16岁了。
My sister is ___________.
定语
表语
16-year-old
16 years old
(1)数字+ “-” +名词: a 3-year plan
(2)形容词+ “-”+名词-ed: a warm-hearted woman
(3)形容词+ “-” +动词-ing: a good-looking girl
【拓展】复合形容词的其他形式：
2. However, she has some bad habits, too.(教材P15 3a)
however与but均可意为______________，表示转折。
“然而；不过”
【易混辨析】however与but
however 副词 可位于句首、句中、句末，一般用______与句子的其他成分隔开。 较为正式。
but 连词 常位于它所引出的从句之首，其后通常________隔开。 较为口语化。
逗号
不用逗号
如：天开始下雨了，不过我们还是出去寻找那个男孩儿了。
It began to rain. _________, we went out to look for the boy.
这是一个晴朗的早晨，但是很冷。
It is a sunny morning, _____ very cold.
However
but
3. She usually watches TV for more than two hours a day, and she sometimes eats hamburgers.(教材P15 3a)
more than相当于over，意为__________，常用于数词前，反义短语为less than____________。其中more 用作副词，是many/much的比较级more，意为“较多”。
“不到；少于”
“超过;多于”
如：我在青岛住了10多年。
I lived in Qingdao for ______________ ten years.
他每晚的睡眠时间不到7个小时。
He sleeps ________ seven hours every night.
There are ______________ 5,000 students in our school.
我们学校有5000多名学生。
more than/over
more than/over
less than
3b
Complete the chart with your own information. In the last column, use expressions like always, every day, twice a week and never.
Activities How often
Good habits
Bad habits
Let’s look at the report again!
1. How many parts
every day
usually
sometimes
often
hardly ever
never
hardly ever
Beginning→background
Body
good habits
bad habits
2. Topic sentences
4. How to make the writing go smoothly(流畅地)
3. How to enrich(丰富) the writing content
扩结果
扩原因
Is the structure of the writing complete If not, which part do you want to add
加连词
every day
usually
sometimes
often
hardly ever
never
hardly ever
Is the structure of the writing complete If not, which part do you want to add (写作结构完整吗 你想再添加那一部分 )
Beginning→background
Body
good habits
bad habits
Ending
How to get rid of(改掉) bad habits
The importance of good habits.
every day
usually
sometimes
often
hardly ever
never
hardly ever
Beginning→background
Body
good habits
bad habits
Ending
How to get rid of(改掉) bad habits
The importance of good habits.
First, she should watch TV less and eat hamburgers less. Then, she can help her parents do housework twice a week. Finally, don't forget to go to the dentist. It's good for her teeth.
All in all, good habits can make us healthier.
every day
usually
sometimes
often
hardly ever
never
hardly ever
Beginning→background
Body
good habits
bad habits
Jane should try to change her bad habits. First, she should watch TV less and eat hamburgers less. Then, she can help her parents do housework twice a week. Finally, don't forget to go to the dentist, It's good for her teeth. All in all, good habits can make us healthier.
Ending
The New Version
Summary
How can we write a passage to introduce one's habits
Beginning
交代人物背景或引出主题
Everyone has both good habits and bad habits. So do/does+人
分别介绍 good habits and bad habits.
Body
She has some good habits.
简明介绍，运用频率副词或短语
However, she also has some bad habits.
简明介绍，运用频率副词或短语
Ending
如何改变不好习惯并陈述好习惯的重要性。
主语+should try to change one's bad habits. First,... Then...
All in all, good habits can make us successful/ healthier/ better...
While-writing
3c
______________________________
______________________________
______________________________
______________________________
______________________________
Write a report about your good and bad habits. Say how often you do things. Use the report in 3a as an example.
Start your writing！
疫情期间，停课不停学。在家上网课的日子里，你的朋友Bob 养成了一些习惯。请写一篇文章介绍他的这些习惯并为他提 一些建议。
好习惯 坏习惯
总是按时完成作业 每天都上网络娱乐
一周至少锻炼5次 有时熬夜
经常帮父母做家务 一周吃四次垃圾食品
1. 审题
时态:
人称:
文体:
段落:
要点:
一般现在时
第三人称
说明文
如上表格
3
How can we write a passage to introduce one's habits
Beginning
交代人物背景或引出主题
Everyone has both good habits and bad habits. So do/does+人
分别介绍 good habits and bad habits.
Body
She has some good habits.
简明介绍，运用频率副词或短语
However, she also has some bad habits.
简明介绍，运用频率副词或短语
Ending
如何改变不好习惯并陈述好习惯的重要性。
主语+should try to change one's bad habits. First,... Then...
All in all, good habits can make us successful/ healthier/ better...
2. 段落和要点
Beginning
交代人物背景或引出主题
分别介绍 good habits and bad habits.
Body
Ending
如何改变不好习惯并陈述好习惯的重要性。
Everybody has both good habits and bad habits, so does Bob.
He has some good habits. He always finishes his homework on time and he exercises at least 5 times a week. Also, he often helps his parents with housework. However, he has some had habits, too. He uses the Internet for fun every day, He sometimes stays up late and he eats junk food four times a week.
I think it's time to change his bad habits. First, he should use the Internet for study, Second, it’s important to go to bed early. Third, we should eat more healthy food. All in all, it's never to late to develop good habits.
3. Sample
Everybody has both good habits and bad habits, so does Bob.
He has some good habits. He always finishes his homework on time and he exercises at least 5 times a week. Also, he often helps his parents with housework. However, he has some had habits, too. He uses the Internet for fun every day, He sometimes stays up late and he eats junk food four times a week.
I think it's time to change his bad habits. First, he should use the Internet for study, Second, it’s important to go to bed early. Third, we should eat more healthy food. All in all, it's never to late to develop good habits.
Take the health pare your results with your partner's. Who's healthier
4
point[p nt]
n. 得分；点
v. 指；指向
Who are the “healthiest” and “unhealthiest” students
in the class
Please give some advice to the students with the most unhealthy habits.
Result
Language points
4. Almost every day. (教材P16 4)
(1) almost 常用来表示程度，意为______________，同义词是______。
“几乎；差不多”
nearly
I heard _______ all the stories about him.
Today, _______ everyone has a smart phone.
今天，几乎每个人都有一部智能手机。
如：我几乎听到了所有关于他的故事。
almost
almost
(2) almost可与never,、no、 none、 nothing等词连用，但不能与_____连用。
very
My friends _______ never went to gym.
如：我的朋友们几乎从不去健身房。
almost
5. None/n n/ pron.没有一个 (教材P16 4)
【易混辨析】none与no one
none
no one
意为“没有人”
即可指人, 也可指物。
只能指人
通常与of短语连用，作主语时，谓语动词既可用单数，也可用复数。
不能与of短语连用，作主语时，谓语动词用单数。
常用来回答how many或how much（提问价格的情况除外）引导的特殊疑问句。
常用来回答 who引导的特殊疑问句。
意为“没有一个”
I tried many different ways of doing it, but ______ them _____ successful.
如：我尝试了许多不同的方法，但都没有成功。
Sam's history teacher was asking him some questions. However, _______ his answers ______ correct.
萨姆的历史老师问了他一些问题。然而，他的回答没有一个是正确的。
将近15分钟，但没有人能找到合适的。
It was almost 15 minutes but ______ was able to find the right one.
none of
were
none of
was
no one
Self Check
1. Complete the chart with activities you do and don't do. What about your mother/father
always usually often sometimes hardly ever never
I
My mother or father
2.Write five sentences using the information from 1.
1. I always exercise.
2. I usually use the Internet.
3. My mother often watches TV at night.
4. My father hardly ever helps with housework.
5. My parents sometimes go for a walk after supper.
3. Fill in the blanks in the conversation.
A: What do Tom and Mike ________ do on weekends
B: They sometimes go to the musuem.
A: ________ do they go to the shopping center
B: ________ ever. Maybe about twice a month.
A: ________ do they watch TV
B: Mike never watches TV, but Tom watches TV________ day.
A: Oh, I'm just like Tom. I ________ watch TV, too.
usually
How often
Hardly
How often
every
always
Homework
1. Do the exercises in students’ book.
2. Write a report about your good and bad habits.
3. Preview Unit 3
