unit 1《how often do you exercise》精讲精析及练习（section b）（人教新课标八年级上）doc-初中英语

1、 永久免费在线组卷 课件教案下载 无需注册和点数PAGE 永久免费在线组卷 课件教案下载 无需注册和点数Unit 1 How often do you exercise? 精讲精析及练习Section B【视野聚焦】重点短语1.junk food垃圾食品2.want sb to do sth 想让某人做某事3.be good for 对有好处4.look after 照顾5.help sb do sth 帮助某人做某事6.kind of 几分7.the same as / be different from 与相同/ 与不同8.try to do 试图做某事经典句型1.My mother wa

2、nts me to drink it. 我妈妈让我喝了它。2.Its good for my health. 它对我的身体健康有好处。3.How often do you eat junk food? 你多久才吃一次垃圾食品。4.How many hours do you sleep every night? 你每天晚上睡几个小时？5.I try to eat it only once a week. 我尽量一周只吃一次它。6.I look after my health. And my healthy lifestyle helps me get good grades. 我重视我的健康。并

3、且我健康的生活方式帮助我取得好成绩。7.Good food and exercise help me to study better.好的食物与锻炼帮助我学得更好。8.Is her lifestyle the same as yours or different? 她的生活方式和你的一样还是不一样呢？9.What are the differences? 区别是什么？10.I am kind of unhealthy. 我身体有点不太健康。11.So maybe I am not very healthy, although I have one healthy habit. 所以或许我不是很

4、健康，但是我有一个健康的习惯。【学海拾贝】1. My mother wants me to drink it. (1)want 作为及物动词，want sb to do sth想让某人做某事。不定式作宾语补足语。 例如：我想让你帮我学数学。 I want you to help me with math. (2)want 作为及物动词，其后要跟宾语，其宾语可以是名词，代词或者动词不定式。 例如：我想要些水和牛奶。 I want some water and milk. 我妈妈想让帮她做饭。 My mother wants me to help her cook food.2.Its good

5、for my health. (1)Be good for 对有好处 be bad for 对有害处 例如：多锻炼对你的身体有好处。 Taking more exercise is good for your health. 在太阳底下看书对你的眼睛有害。 Reading in the sun is bad for your eyes.特别提示be good for 对有好处 , be good at 擅长做某事 , be good to 对好1每天和牛奶对你的健康有益。 Drinking milk every day is good for your health.2他擅长运动，并且打篮球打

6、得好。 He is good at sports and he is also good at playing basketball.3我们要善待老人。 We should be good to the old. be good to = be kind to 对待某人好3.How often do you eat junk food?Junk food 垃圾食品。通常指那些好吃但没有营养的食品，例如膨化食品，快餐中的汉堡与薯条等均属于垃圾食品。4.How many hours do you sleep every night?How many 后面跟名词的复数形式。例如：你每周去你爷爷家几次

7、？How many times do you go to your grandpas house every week?5.I try to eat it only once a week.try to do 意思为“试图、尽量做某事”。例如：我尽量完成这项艰难的工作。I try to finish the difficult job.我妈妈告诉我让我尽量帮助我的同学。My mother told me to try to help my classmates.6.I look after my health. And my healthy lifestyle helps me get goo

8、d grades. （1）look after 照顾，重视，留意的意思。当照顾讲的时候等于take care of look after sb well = take good care of sb 这个词组的意思为“照顾好某人”。特别提示Look after照顾, look at看, look for寻找, look like看起来象, look the same看起来一样例如：1.I have to look after my little sister at home.我必须在家里照顾我的小妹妹。2.He is looking for his dog. 他正寻找他的小狗。3.Look a

9、t the blackboard, please.请看黑板。4.What does he look like? 他长得什么样子？5.The twin sister look the same. 这对双胞胎姐妹看起来长得一样。 （2）healthy adj.健康的，卫生的，由名词health 加后缀y构成。它在句中常作表语或定语。 例如：这个男孩很健康。他每天都锻炼身体。 This boy is very healthy. He plays soccer every day.（3）help sb do sth 帮助某人做某事。初一还学习了help sb with sth 例如：你应该经常帮助我学

10、习钢琴演奏。 You should often help me with playing the piano.知识拓展作名词，意为“帮助” Thank you for your help 谢谢你的帮助 I need help in the new city.我在新城市里需要帮助。help sb with = help sb do sth My good friend often helps me with my English. =My good friend often helps me (to) learn English. 我的好朋友帮助我学英语7.Is her lifestyle th

11、e same as yours or different?（1）the same as与相同， 表示同等比较。定冠词不能省略，而且一般后面加名词的单数。例如：我的饮食习惯和你的朋友一样。 My eating habit is the same as your friend. 他有和我的一样的钢笔。 He has the same pen as I have.（2）same的反义词是different ，意思为“不同的”。词组是：be different from 与不同 different 后面一般加名词的复数形式。 例如：这本书与那本书是不同的。 This book is different

12、 from that book.（3）different 的名词是difference。其是个可数名词。句型为：There are many differences between A and B. 例如：汉语与英语之间存在了很多区别。 There are many differences between Chinese and English.8.So maybe I am not very healthy, although I have one healthy habit. （1）maybe或许，可能，大概 。表示推测语气，常用于句首。 例如：Where is Frank? Maybe

13、he is in the library. （2）although = though 连词，意思为：尽管，虽然。引导让步状语从句。它不能与but同时使用。但可以与yet, still 连用。 例如：尽管他年纪大了，但他仍然继续工作。 Although he is very old, he still works hard.【牛刀小试】一、单项选择( )1.He tries _ English well, because its important. A. learn B. learning C. to learn D. learns( )2.The doctor wants me _ milk

14、 for breakfast every day. A. get B. to drink C. to buy D. have( )3.Getting up early and going to bed early _your health. A. is good for B. is good to C. is good at D. is bad for( )4.Can you help me _my room? A. clean B. cleaning C. to cleaning D. cleaned( )5.Mary has the same hair color _her favorit

15、e pop star. A. as B. with C. of D. like( )6.Eating too much junk food is an _habit. A. healthy B. unhealthy C. interesting D. important( )7._do you watch TV at one time? Two or three.A. How much B. How many hours C. How often D. What time( )8.Lets talk about the _between English and Chinese. A. diff

16、erence B. different C. differents D. differences( )9.He is _fat because he eats_food. A. much too, too much B. too much; much too C. too much; too much D. much too, much too( )10.Good _and _ help her to study. A. foods; exercise B. foods; exercises C. food; exercise D. food. Exercises二、词语填空1._(take)

17、 exercise every day is good for your _(health).2.My mother want s me _(drink) milk.3.My eating _(habit) are pretty good.4.Tina is kind of _(health). She doesnt like sports.5.I can _(hard) hear you, please say it loudly.6.He has been to Shanghai _(two).7.What do you _(usual) do on Sundays?8.Do you fi

18、nd the _(different) between the twins?9.He tries _(be) a good student.10.I have a lot homework _(do) this evening.三、句型转换1.try, must, less, eat, to, meat, you （连词组句） _2.He is ill, but he goes to help the old people. （改写句子使句意相同）=_ he is ill, he goes to help the old people.3.Can you look after my littl

19、e dog? （改写句子使句意相同） = Can you _ _ _my little dog?4.Pandas are a little interesting. （改写句子使句意相同） =Pandas are _ _interesting.5.Most students watch TV every day.(改为否定句) _ students watch TV every day. _ _the students watch TV every day. （改为同义句）四、翻译句子1、做眼保健操对你的眼睛有好处。 Doing eye exercises _ _ _your eyes.2、我

20、们尽量准时到达学校。 We _ _get to school on time.3、散步有助于保持身体健康。 Walking helps to keep _ _ _.4、你每天学习几个小时？ _ _ _ _you study every day?5、王老师想要我帮助李文学数学。 Miss Wang _me _help Li Wen _math.【超越自我】( )1.Thank you for _my grandpa when I was away.（2005，陕西） A. looking after B. look over C. looking at D. look for( )2.Rober

21、t does well in playing table tennis. （2005年，宁德） A. is good at B. is interested in C. likes D. hates.( )3.I like my teacher. He is very kind _us. Oh. Thats very kind _him.（2005，辽宁） A. of, to B. to, of C. to, to D. of, of ( )4.Is the weather _in different parts of Australia?No, its quite different. （2

22、005，安徽芜湖） A. like B. different C. the same D. same( )5.My mother often tells me_ my classmates when they want. （2004，山东潍坊） A. help B. to help C. helping D. helps【创新全解】牛刀小试版块答案：一、15 CBAAA 610 BBDAC二、1.Taking, health 2. to drink 3. habits 4. healthy 5. hardly 6. twice 7. usually 8. differences 9. to b

23、e 10. to do三、1.You must try to eat less meat. 2.Although 3. take care of 4. kind of 5. No Most of四、翻译句子good for 2. try to 3. is good health 4. How many hours do 5. wants to with超越自我答案1.A（thank you for doing sth .感谢你做某事情，look after 的意思是照顾某人）2.A（do well in 是擅长做某事，它的同义词组是 be good at）3.A（be kind of 意思为“

24、某人真好”be kind to sb意思为“对某人好”）4.C（与相同应该使用the same 一词，题中的意思是：在澳大利亚的不同地区天气一样吗？）5.B（tell sb to do sth 告诉某人做某事）Self check【视野聚焦】重点短语1.keep in good health 保持身体健康2.eat less food 吃更少的食物3.have a healthy lifestyle. 拥有一个健康的生活方式经典句型1.A lot of vegetables help you keep in good health.2.You must try to eat less meat

25、.3.Do you have a healthy lifestyle?【学海拾贝】1.A lot of vegetables help you keep in good health.这里的keep in good health等于 keep healthy 保持身体健康的意思。 in good health健康 in bad health 不健康例如：这位老人有很好的饮食习惯，这有助于他保持健康。 This old man has good eating habits. It helps him keep in good health. 我奶奶身体不好，我父母每周末去看她。 My grand

26、ma is in bad health. My parents go to see her on weekends.2.You must try to eat less meat.Less 更少的，较少的 ， 是little 的比较级，用来修饰不可数名词，与more 相 对。例如：多运动，少吃饭，你将会变得更苗条和健康。Take more exercise and eat less food and you will be thin and healthy.【自我检测1参考答案】1.wants 2.exercises 3.help 4. try 5. have 语法指导（一）一般现在时： 1.

27、 动词变化：一般现在时主要用动词原形表示，但第三人称单数后要加词尾-s，另外be和have有特殊的人称形式。 在加词尾-s时要注意：情况加法例词一般情况加-sreads, writes, says以ch, sh, s, x, 或o收尾的词加-esteaches, washes, guesses, fixes, goes以“辅音字母+y”结尾的词变y为i再加-estrytriescarrycarries读音：情况读法例词在ptkf等清辅音后shelps, hates, asks, laughs在sztd3等音后izfaces, rises, wishes, watches, urges在其他情况

28、下zplans, cries, shows 2. 一般现在时主要表示： （1）经常性或习惯性的动作，常与这样的时间状语连用：always, often, usually, sometimes等 eg: We always help each other. It often snows in winter. I get up early every morning. （2）表示主语现在的特征、性格、能力等。 eg: He loves sports. Jane is an outgoing girl. Tom and Tim both have medium height. （3）表示客观、普遍真理 eg: Two and four makes six. Water boils at 100 The moon moves round the earth. 3. 一般现在时的疑问句一般以在句首加助动词do，does的方式构成。第三人称单数加does，其他加do，这时动词一概用原形；动词be只需与主语位置对调就行了。 eg: Do you like English? Do th