八年级上册Unit2课文重难点讲解

1、I must practice hard! Vry hard! I must be patient! I must be persistent!Unit2 How often do you exercise?【教师寄语】Failure is the mother of success. - Thomas Pain秋败乃成功之母 Section A1. How oftendo you exercis?你多久做 次运动？【解析 11 how often/ how long / how far/ how soon辛析how often多久一 次对次数和频率提问，如：always, usually,

2、often. hardly ever, never, sometimes, everyday (week, month, year ),once a week,twice a month等表示频度的副词或短语提问how long多长时 问对“for+一段时间”或”,since+寸问段+ago等时间短语提问how far多远对跑离提问how soon多久对“in+一段时间”提问【2013 广东 4】is it from the village to your farm?About 10 minutes walk.A. How often B. How soon C How long D. How

3、 far 【2014 江苏盐城 1】 does Nancy help the old lady with her housework?一 About twice a week.A. How oftenB. How longC. How muchD.How soon解析 2 exercise v 锻炼 =do sports= play sports【短语】take /have/do exercise做运动do morning exercise 做早操do eye exercise故眼保健操【2012 山东】I hardly take, so the doctor asks me to do so

4、me morningA. exercise; exercise B. exercises; exerciseC. exercises; exercises D. exercise; exercises2. What do you usually do on weekend? 你在周末做什么?【解析11频度副词意思频度always总是，一直，100%usually通常，经常90%often常常，经常70%sometimes = at times有时，不时40%hardly ever= almost几乎从不5%notnever从不，决不0%【注】：频度副词表示多长时间做某事一次，用在要义动词之前二

5、 系功词、助动词、情态动词之后。We often clean the classroom every day.【2014 四川成都】37. Li Ke runs in the morning, for he wants to behealthy.A. never B. often C. hardly【2014浙江温州】 一How often do you go skating? .I cant skate at all. A.Always B.Sometimes C.Seldom D.Never【拓展】some time /sometime/some times/sometiEes【口诀】：分

6、开是一段，合起是某时；分开s是倍次，合起s是某时(1)some time一段时间，做时间状语It takes sb some time to do sth故某事花费某人多长时间(2) sometimeadv 在某个时彳iC()I hope to visit the USA in the future.A. sometimes B. some times C. sometime D. some time(3) some times名词词组，“几次，几倍”(4) sometimes=at time/时(一般现在时的标志词)【2014 四川绵阳】17do you write an English a

7、rticle for our school newspaper?Sometimes.A. How longB. How often C. How muchD. Howfar解析 2 weekend/weekday辨析单词意思；范围weekend周末周六、周日weedday工作日周一至周五【解析】 on weekends = on Saturday and Sunday周末on weekdays= from Monday to Friday 在工作日【2014 云南中考】27. My favorite is summer. I can swim with my friends.A.monthB.

8、day C.season D.weekend3. Hardly ever几乎从不【解析】 hard (1)adv 努力地，猛烈地 work hard 努力工作 study hard 努 力学习(2) adj.困难的，艰难的 =difficult It hard/difficult for sb to do sth做某事对某人来说是困难的It s hard for us(finish) the work without other s help.【拓展】hardly adv几乎不，从来不”，表否定意义，常与can ,any ,ever连呼I can hardly believe it.【2014

9、 江苏盐城】5. It was raining when my sister and I got to the museum.A. badly B. softly C. hardlyD. heavily4. Twice a week 周两次【拓展】 once = one tim屋次 twice= two times 两次【注】：三次或三次以上用：“基数词+timesthree times 三次 four times 四次three o four times 三至U 四次【2014 云南中考】66.It is a good habit to brush your teeth at least a

10、day.(two)5. I go to the moviemaybeonce a months大慨一个月去看 次电影。 【解析 1】go to the movies = go to the cinema = see the film 看电影 【解析2】maybe/may be辨析：(1) maybe =perhaps adv 也许，可能，表示推测，通常用于旬首，在旬中 作状语。() Li Hua wants to be an astronaut like Yang Liwei.A. May be B. May C. Also D. Maybe(2) may be是“情态动词may +动词原形b

11、e，或许，可能是，也表示推测,在句中作谓语。可以和 maybe 互换。Tomri s pen may be in his backpackMaybe Tom s pen is in his backpack6. He playsaUeosttwice a week他至少一周踢两次(足球)【解析】least adv .最小，最少at least至少；不少于【记】l +east （东方）- least7. use the Internet R8. What s your favoriteprogram?你最喜欢的节目是什么？ 一 Animal World. 动物世界【解析】 favorite ad

12、j. 最喜欢的 =like .bestone favorite + 名词 某人最喜欢的 (I) favorite subject is English.【2014重庆中考 B卷】23. - What s your favorite, Bob?- Cats. They reso lovely.A. plantB. jobC. sport D. animal9. I watch TV every day我每天都看电视【解析】(1) every day 每天=each day 做状语，放在旬末，对其提问用hoWofteHHe exercises every day.(2) everyday = da

13、ily adj.每天的 ，作定语，修饰名词，放在名词之前 everyday English 日常英语as for至于，关于，后接名词或代词，多用于句首，表示强调 ()English, I think it s my favorite. A. As for B. But for C. So asD. As well10. They oftenhelp with housework.他们经常帮忙做家务。【解析】 help v 帮助fhelpful adj 有帮助的help sb. with sth在某方面帮助某 人I often help my mother with housework on w

14、eekendshelp(to) do sth帮助某人做某事She was coming to help clean the machinehelp sb. (to) do sth帮某人做某事Mr. Wang helped me (to ) repair my bike.【2014重庆中考 B 卷22. Help to some fish, Jeff. A. you B. yourselvesC. yourself11._ Are you free next week ?下周有空吗？【解析】free adj.空闲的be free = have time有时间 adj.自由的,免费的be free

15、 to do sth随心所欲的做某事12. Next weekis quite fullfor me, Jack.杰克，下周我很忙。【解析】full adj. 忙的 =busyadj. 满的； 充满的 be full of = be filled with 充满This shelf is full of /filled with books.13. What kind ofdance are you learning ?你在学什么舞？-Swing dance 摇摆舞【解析】 kind (1) n 种类 kind of +adj.有点， 有几分， kind of cold 有点冷a kind o

16、f 种的， 某种的 all kinds of 各种各样的different kinds of 不同种类的What kind of ?哪种 ？【2014 湖d匕黄冈】31. - What bowl of noodles would you like, small, medium or large?-A large bowl of beef noodles,please. A. color B. price C. size D. kind14. On Wednesday and Friday.在周三和周五【解析】介词at/ in /on /for表示1）.表示某一具体时间点，某一时刻/年龄at s

17、ix oclockat noon at that time at the moment at the age of at night2）in表示时间段，一天的三个时间段以及月份，年，季节，世纪，人生的某个时期（某人几十岁时）In the morning/afternoon /evening in spring /in 2007/in March in the twenty-first centuryin his fifties3)on表示星期几/某一具体的日子/具体某天的上午 吓午/晚上，表示一天中的三个 时间段名词前有修饰语或后有修饰语时.On Monday on New Years Day

18、 on Sunday morning on a rainy night【2014 山东滨州】23.A ship from South Korea sank into the sea April16,2014A.inB.onC.atD.forSection B & Self Check1. How often do you eatjunk food?你多久吃 次垃圾食品？ 【解析】junk food垃圾食品green food绿色食品natural food 天然食品 healthy food 健康食品1. She says its good formy health.她说这对我的健康有好处。【

19、解析 1】be good for/ be good at/ be good to辛析：be good for对有好处，对.启益（反）be bad for对有害be good at = do well in +n/doing擅长于做某事be friendly to=be kind to对一.友好My brother 假长于)baseball.()Running is good your health. A. at B. to C. for D. with【解析 2】health n 健康一 healthy adj 健康的(反)unhealthy -healthily adv健康地U 己 You

20、should eat healthy food to keep in good health. keep healthy = keep fit = stay healthy=keep in good healt 保持健康【拓展】 n+y=adj. windy , cloudy, sunny, funny , snowy. They eat very (health). Mike is good for our (health).3. How many hoursdo you sleep every night?每天晚上睡几个小时？【解析】how many多少，后跟名词复数,用于对可数名词的数量

21、提问【2014北京中考25. -people are there in your family?Three.A. How often B. How long C. How many D. How muchhow much多少，后接不可数名词，可对不可数名词的数量或价格提问。How much meat do you want?4. Althoughmany students like to watch sports虽然许多学生喜欢看体育节目 【解析】although=thoughconj虽然，即使;不能与but连用，引导让步状语从旬【解析】through +手段、媒介 “以，凭借，穿过by +

22、ving/工具名词【辨析】through/across(1)through ”从 中经过” ，指从物体的空间内部穿过，如门、窗、洞、 森林等(2) across 横越，穿过 ”，指从表面走过或从一边到另一边()he isn rich enough, he often gives away money to some poorchildren.A. ThoughB. When C. Because D. If5.Exercisesuch asplaying sports is fun, and you caispend time witlyour friends and familyas you

23、 play together体育运动之类的锻炼很有趣，通过在一起活动，你可以 和你的朋友、家人一起度过一段时光。【解析 1】such as/ for examples析:(1) such as例如，像一样”常常列举同类人或物中的几个例子，放在被列举的事物与前面的名词之间。I like all kinds of sports such as runningand swimming.(2) for example 一般只列举同类人或物中的“一个”，做插入语，位于句首、句中或旬末解析 2 spend /pay /cost/ take花费动词主语宾语句型结构spend人时间或金钱sb. spend o

24、n sth/ in doing sthpay人金钱pay . forcost物金钱sth cost sb. some moneytakeit时间It takes sb. . to do sth【2012 湖南永州】My father one hundred thousand yuan on his new car.A. spent B. cost C. paid6. remember old habits die hard 记住：“旧习难除”【解析】 remember v记住，记得 remember to do sth记得去做某事（事情还未做)remember doing sth 记得做过某事

25、 （事情已做）【2014成都中考】38. Kate, remember for the sick to cheer them up.A. to singB. not to sing C. singing7. watches TV for more thantwo hours a day;.【解析】more than 不止, 超过 =over仅义词）less than少于more than + 可数名词复数，做主语，谓语动词用复数【2012 广西】 How many new desks and chairs are there in your school this year? There ar

26、e over 3,000. Each of us has one.A. less than B. most C. more than D. as many as8. The answer to our questionbout watching television were also interesting.关于我们看电视的问题的答案也很有趣。【解析】the answer to the question问题的答案 【拓展】the key to (的第7页共11页The way to .（去的路） The ticket to （的票）。I must practice hard! Vry har

27、d! I must be patient! I must be persistent!【新IB中考】 It s very nice of you to help find the key the door.A. of B. for C. to D. on9. It is good to relaX)y using the Internetor watching game shows.通过使用互联网或观看游戏节目来放松是很好的。【解析 11 It s + adj.(easy,difficult,important,necessary) +(for sb.) to do sth.It s +adj

28、( kind, honest, friendly, )+(of sb) to do sth.【解析1 1 ask sb about sth向某人询问有关的情况ask sb to do sthB/要某人去做某事(否定形式)ask sb. not to do sthask sb. for sth向某人要某物15. Jane hasa lot of good habits.简有彳艮多好习惯【解析】 a lot of =lots of许多， 大量a lot of +可数名t复数 =manya lot of + 不可数名词 =mu ch11. What does the writer think ist

29、he best way to relax作者认为最好的放松方式是什么？【解析】 the best way to do sth故某事最好的方法()WhatS the best way (keep) healthy?【拓展】 lose ones way 迷路 make ones way 去，前进 on the way to 在去的路上 by the way顺便问一下 in the way在某种程度上12. lessadj.更少的(修饰不可数名词) leastYou should eat less meat.【单元短语熟记】： helpwithhouseworkgo shoppingon weeke

30、nds how often hardly ever once a week twice a month go to the moviesevery dayusetheInternetbe free第8页共little 一(比较级)less 一(最高级)havedanceandpianolessonsswing dance play tennisstay up late at leastgo to bed early play sports be good for go campinginone sfreetimenot .atall11页I must practice hard! Vry ha

31、rd! I must be patient! I must be persistent!themostpopularmore than old habits die hard第12页共11页less thansuch as go to the dentist【知识点熟记】：1. help sb. with sth帮助某人做某事 2.How about ?.怎么样？ /好不好？3. want sb. to do sth.想让某人做某事4. How many + 可数名词复数+ 一般 疑问句 .有多少.5. 主语+ find+ that从旬 发现6. It 七 adj.+ to do sth. 做

32、某事 是的7. spend time with sb. 和某人起度过时光8. ask sb. about sth.向某人询问某事9. by doing sth.通过做某事10. What s your favorite .?你最喜欢的是什么？11. start doing sth.开始做某事12. the best way to do sth.做某事的最好方式【单元语法要点】：What do you usuallydo on weekends?What do they do on weekends?What does she do on weekends?How often do you go

33、 to the movies? month.How often does he watch TV? Do you go shopping?I alwaysexercise.They often help with housework.Shesometimesgoes shopping.I go to the movies maybe once aHe hardly everwatches TVNo, I nevergo shopping.【语法专讲】频度副词意思频度always总是，一直，100%usually通常，经常90%often常常，经常70%sometimes有时，不时40%hardly ever几乎从不5%never从不，决不0%【注】：频度副词表示多长时间做某事一