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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date人教版新目标英语八年级上unit2知识点教师Unit 2 How often do you exercise?一、词型转换Section A1. ever (反义词) never2. shop (现在分词) shopping3. full (反义词) empty4. read (pt.) readSection B (v.)act1. active (n.) acti
2、vity2. health (adj.) healthy (反义词) unhealthy3. body (pl.) bodies4. die (pt.) died5. write (n.表人) writer6. keep (pt.) kept (pp.) kept7. little (比较级) less (最高级) least8. though (同义词) although二、短语归纳Section A1. how often 多久一次2. read English books 看英语书3. of course 当然4. on weekends 在周末5. go to the movies 去
3、看电影6. hardly ever 几乎不；不曾7. every day 每天 once a day 每天一次8. twice a week 每周两次 three times a month 每月三次9. use the Internet 上网10. have dance and piano lessons 上舞蹈和钢琴课11. play tennis 打网球12. help with housework 帮忙做家务13. at least 至少，不少于Section B1. junk food 垃圾食品2. drink milk 喝牛奶3. three or four times a wee
4、k 一周三到四次4. eat fruit 吃水果5. want sb. to do sth. 想要某人做某事6. be good/bad for 对有好处/坏处7. go camping in the country 去乡下露营8. play sports 做运动9. one to three times a week 一周一至三次10. such as 例如11. fifteen percent of our students 我们百分之十五的学生12. go to the dentist 去看牙医13. more than 多于14. less than 少于重点句子1. how ofte
5、n do you exercise?你多久锻炼一次2. What do you usually do on weekends?周末你通常干什么？I usually play soccer.我通常踢足球。3. She says its good for my health.她说这对我的健康有好处。4. How many hours do you sleep every night?你每天晚上睡多少个小时？5. And twenty percent do not exercise at all!并且百分之二十的学生根本不运动！6. The answers to our questions abou
6、t watching television was also interesting.对于我们看电视这个问题的回答也很有趣。7. It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise.通过上网或看娱乐节目放松是好的，但是我们认为最好的放松方式是通过锻炼。8. It is healthy for the mind and the body.它对于大脑和身体是健康的。合作探究一、 难点讲练讲一讲 1How oft
7、en do you exercise？你多久锻炼一次？（1）“how often”是对表示频度的时间状语的提问，可翻译为“多久（一次）”。例如：How often do you watch TV?你多久看一次电视？【拓展】与how有关的短语：how far(距离)多远；how long(时间)多长；how many多少(只可接可数名词的复数形式)；how much多少（只可接不可数名词）；how soon(时间)多久后（事情还要过多久才发生）；how old(年龄)多大。(2)exercise做动词时，可作及物动词，也可作不及物动词。例如：She exercises two or three
8、times a week.她一周锻炼两三次。She exercises the dog every day.每天她都遛狗。【拓展】exercise作名词时，意为“锻炼；运动”时是不可数名词，意为“体操；练习”时是可数名词。例如：I should eat less food and take more exercise.我应该少吃饭，多锻炼。We do morning exercise every morning.我们每天早上都晨练。练一练 11. She often goes to the movies twice a week.(对划线部分提问)_ _ _she _ to the movie
9、s?2. _ is Lucky 52 shown on CCTV-2?Every week.A. How longB. How oftenC. How soonD. How many times3. There are 35 boys in our class. (对划线部分提问)_ _ boys are there in your class?4. _ (exercise) helps us keep healthy.(用所给词的正确形式填空)5. We do _ _(眼保健操) every day.讲一讲 2But my mother wants me to drink it. She s
10、ays its good for my health.但是我妈妈要我喝。她说牛奶对我的健康有好处。（1） want为及物动词，意为“想要”，其后接名词或动词不定式，相当于would like, 但would like的语气更为委婉。want的用法如下： 用法意义例句want sth.想要某物I want a new pen.我想要一支新钢笔。want to do sth.想要做某事I want to go to the library.我想去图书馆。want sb.（not）to do sth.（不）想要某人做某事He wants me to play basketball with him.
11、他想让我陪他打篮球。(2)be good for 意为“对有益”，其反义词组为be bad for, 意为“对有害”。例如：Eating too much meat isnt good for you.吃太多肉对你并没有好处。Smoking is bad for your health.吸烟有害健康。【拓展】be good to 对友好（和善），be good at擅长，善于练一练 26. My parents want me _ (study) hard.(用所给词的适当形式填空)7. His mother wants him _ at home today.A. staysB. staye
12、dC. to stayD. staying8. Tom wants to watch TV.(同义句转换)讲一讲 3It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise.通过上网或看娱乐节目放松是好的，但是我们认为最好的放松方式是通过锻炼。（1）Its good to do sth. 意为“做某事好”，它是“Its+adj.+to do sth.”句型的一种形式，it作形式主语，to do sth.是真正的主
13、语。例如：Its good to run in the morning. 早上跑步是好的。（2） the best way to do sth.意为“做某事最好的方法”，其中to do sth.是动词不定式作后置定语，也可表达为the best way of doing sth.例如：I have a good way to do with the problem.我有一个处理这个问题的好方法。（3） by using the Internet or watching game shows，其中by作介词，表示“通过某种方式”。置于动名词前表示方法、手段、原因等。例如：By working h
14、ard he made great progress.通过努力学习，他取得了很大的进步。He earns his living by writing.他靠写作为生。练一练 39. It is very important for us _ English well.A. learnB. learningC. to learnD. learned10. its very nice _ you _my parents your best wishes.A. of, sendingB. of, to sendC. for, to sendD. for, sending11. I often have
15、 hamburgers for lunch.Youd better not. Its bad for you _ too much junk food.A. eatB. to eatC. eatingD. ate12. The best time _(visit) Beijing is in autumn.(用所给词的正确形式填空)讲一讲 4I go to the movies maybe once a month.我大概一个月去看一次电影。Although many students like to watch sports, game shows are the most popular.
16、虽然许多同学喜欢看体育节目，但是娱乐节目是最受欢迎的。(1) maybe意为“大概，或许”，表示推测，通常用于句首，在句中作状语。例如：maybe shes at home.或许她在家里。(2) although是连词，意为“虽然，尽管，即使”。例如：Although he is young, he knows a lot.虽然他很年轻，但是他知道很多。【注意】although=though,汉语中可以说“虽然，但是”，但英语中although/though与but不能同时出现在同一个句子中。练一练 413. _ Paul hated school, he loved science.A. B
17、ecauseB. AlsoC. AlthoughD. But 14. Although they are very tired, they dont stop working.(同义句转换)They are very tired, _ they dont stop working.15. Your pen may be in the desk._ your pen _ in the desk.(同义句转换)语法归纳频度副词1. 概念频度副词是用来表示动作发生频率的词，常用来表示不确定时间，主要包括always, usually, often, sometimes, hardly, ever,
18、never等，如果表示具体频度次数，可采用次数加单位时间。例如：once a week 一周一次twice a month 每月两次2. 常用频度副词的区别(1) always 意为“总是，永远”，表示频度最高。(2) usually意为“通常”，即很少有例外，多用于一般现在时。(3) often意为“经常”，在频度上不如usually那么频繁。(4) sometimes意为“有时，偶尔”。(5) hardly ever 意为“几乎不，很少”，表示否定意义。(6) never 意为“从来没有，绝不”，表示否定意义。以上几个频度副词所表示的频度，从高到低为：alwaysuauallyoftens
19、ometimeshardly evernever3. 频度副词在句子中的位置在句子中，频度副词常放在实意动词前面，be动词、情态动词和助动词后面。例如：He always helps others.他总是帮助别人。4. 对句子中频度副词进行提问，用“how often”。例如：He sometimes watches TV.(对划线部分提问)How often does he watch TV?随堂练习Section A一、 单项选择1_do you surf the Internet ? Once a week.A.How B.How old C.How often D.How many t
20、imes2You hardly know him, _ ? A. are you B. arent you C.do you D.dont you3Would you like_some apples ? Yes, please.A. to have B. have C. having D. has4He ususally _newspapers in the morning. A. reads B. seees C. watches D. looks5He _ his homework at school. A. doesnt B. dont do C.dont D. doesnt do6T
21、he little girl often goes skating_ weekends. A. in B. on C. to D. for7I eat fruit and drink milk every day to keep me _. A. health B. healthily C. healthy D. unhealthy8When did you go to the movie? _.A. Tomorrow B. In two days C. Three days ago D. Next weekend9One of my favorite programs _ Animal Wo
22、rld. A. am B. is C. are D. dont10Does she eat junk food _often?A. much B. less C. very D. many二、用括号内所给词的适当形式填空1Mum asked children to eat it _ (two) a week.2Do you do eye _ (exercise) every day?3I want to go _ (shop).4How often do you _ (shop)?5The doctor asked her _ (eat) more fruit.6Here _(be) a le
23、tter for you.7No _(student) do homework once or twice a week.8I read English books about_(once) a week.9Few students _( exercise ) three times a week.10Lots of _ ( visit) come to the city at this time of year.三、根据汉语意思完成句子（每空一词）1.你周末通常做什么? What do you uaually do _ _? 我通常去看电影。 I usually _ _ _ _.2.吃苹果对我们的身体有好处。 _ apples is good _ our health.3.你每天晚上睡多少个小时？ _ _ _ do you sleep every night?4.很多学生根本不运动。 Many students _ exercise _ _ .5.没有学生一周做一两次作业。 No students _ homework _ or _ a week.-