八年级上册Unit2课文重难点讲解

I must practice hard! Very 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 Paine 失败乃成功之母

Section A

1. How often do you exercise? 你多久做一次运动？ 【解析1】how often/ how long / how far/ how soon辨析 how often 多久一次 对次数和频率提问，如：always, usually, 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 多长时间 ① 对“for+一段时间”或” , ②“since+时间段+ago”等时间短语提问 how far how soon 多远 多久 对距离提问 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 far

【2014江苏盐城1】－ _______does Nancy help the old lady with her housework? － About twice a week.

A. How often B. How long C. How much D. How soon 【2014山东泰安】26.— ____ will your father come back from Beijing?—In two days. A.How often B.How long C.How far D.How soon

【2014山东菏泽】— Look at the flowers I gave you last month . They are dying! ___do you water them? — Sorry, I forgot to water them.

A.How long B. How often C.How soon D.How much

【2014浙江湖州】19. —Excuse me, Sir . ____ is it from here to the nearest shopping mall? — well, only about five minutes’ walk.

A.How often B.How long C.How far D.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 做眼保健操 ( ) The girl never exercises. She is lazy and unhealthy. A. does housework B. does her homework C. does any sport D. does anything 【2012山东】I hardly take ____, so the doctor asks me to do some morning ____. A. exercise; exercise B. exercises; exercise C. exercises; exercises D. exercise; exercises

2. What do you usually do on weekends? 你在周末做什么？ 【解析1】频度副词 always

意思 总是，一直， 第 1 页 共 1 页

频度 100% I must practice hard! Very hard! I must be patient! I must be persistent!

usually often sometimes = at times hardly ever= almost not never 通常，经常 常常，经常 有时，不时 几乎从不 从不，决不 90% 70% 40% 5% 0% 【注】：频度副词表示多长时间做某事一次， 用在实义动词之前，系动词、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 be healthy. A．never B．often C．hardly

【2014浙江温州】—How often do you go skating? —________.I can’t skate at all. A.Always B.Sometimes C.Seldom D.Never 【拓展】some time /sometime/some times/sometimes 【口诀】：分开是一段，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 做某事花费某人多长时间 (2) sometime adv 在某个时候， （ ）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 times 有时 （一般现在时的标志词） 【2014四川绵阳】17－______ do you write an English article for our school newspaper? —Sometimes.

A. How long B. How often C. How much D. How far 【2014江西中考】My sister ____ goes to bed early because she needs a lot of sleep every day. A. always B. sometimes C. hardly D. never 【解析2】weekend/weekday辨析 单词 weekend weedday 意思 周末 工作日 范围 周六、周日 周一至周五 【解析】on weekends = on Saturday and Sunday 在周末 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.month B.day C.season D.weekend 3. 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 第 2 页 共 2 页

I must practice hard! Very hard! I must be patient! I must be persistent!

◆It’s 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 连用。 I can hardly believe it.

( ) It’s raining ____ .People can _____ go out.

A. hard; hardly B. hardly; hard C. hard ; hard D. hardly ; hardly 【注】 形容雨雪下的大用hard/heavy

【2014江苏盐城】5. It was raining _______when my sister and I got to the museum. A. badly B. softly C. hardly D. heavily 4. Twice a week 一周两次

【拓展】once = one time一次 twice= two times 两次 【注】：三次或三次以上用：“基数词+times” three times 三次 four times 四次 three or four times 三到四次 I chat with my friends online________________(一两次) a week.

【2014云南中考】66.It is a good habit to brush your teeth at least___ a day.(two) 5. I go to the movies maybe once a month.我大慨一个月去看一次电影。 【解析1】go to the movies = go to the cinema = see the film 去看电影 【解析2】maybe/may be辨析： （1） maybe =perhaps adv 也许，可能，表示推测，通常用于句首，在句中作状语。 ( ) ______ 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be”, 或许，可能是，也表示推测，在句中作谓语。可以和maybe 互换。 Tom’s pen may be in his backpack. =Maybe Tom’s pen is in his backpack 6.He plays at least twice 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）→least 7. use the Internet 上网

8.—What’s your favorite program? 你最喜欢的节目是什么？—Animal World.<动物世界 【解析】favorite adj. 最喜欢的 = like …..best one’s 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’re so lovely.

A. plant B. job C. sport D. animal 9. I watch TV every day 我每天都看电视

【解析】 (1) every day 每天= each day 做状语，放在句末，对其提问用 how often He exercises every day. (2) everyday = daily adj. 每天的 ，作定语，修饰名词，放在名词之前

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I must practice hard! Very hard! I must be patient! I must be persistent!

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 as D. As well 10. They often help with housework. 他们经常帮忙做家务。 【解析】help v 帮助→helpful adj 有帮助的 help sb. with sth help(to) do sth help sb. (to) do sth 在某方面帮助某人 帮助某人做某事 帮某人做某事 I often help my mother with housework on weekends She was coming to help clean the machine Mr. Wang helped me (to ) repair my bike. ① My mom helps me______ _(do) my homework.=My mom helps me with my homework.

【2014重庆中考B卷】22. Help ____ to some fish, Jeff. A. you B. yourselves C. yourself 11. Are you free next week ? 下周有空吗？ 【解析】free ①adj. 空闲的 be free = have time 有时间 ② adj. 自由的，免费的 be free to do sth 随心所欲的做某事 12. Next week is quite full for me, Jack. 杰克，下周我很忙。 【解析】 full adj. 忙的 = busy adj. 满的；充满的 be full of = be filled with 充满 This shelf is full of / filled with books.

13. —What kind of dance 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 of 一种的，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湖北黄冈】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. kind (2) adj. 友好的 be kind to sb. =be friendly to sb. 对某人友好 【2014贵州安顺】13. It's kind _ you _ help me with my English.

A. of; to B. for; to C. of; for D. to; to 【解析2】swing n 秋千 There is a kid playing on the swing. v. 摆动，荡秋千 swing dance 摇摆舞 【记】s + wing(翅膀) →swing 14. On Wednesday and Friday. 在周三和周五 【解析】介词at/ in /on /for表示时间： 1).表示某一具体时间点，某一时刻/ 年龄 at six o’clock at noon at that time at the moment at the age of at night 2)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 century in his fifties

3)on表示星期几/某一具体的日子/具体某天的上午/下午/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 Year’s Day on Sunday morning on a rainy night 【2014山东滨州】23.A ship from South Korea sank into the sea ____ April 16,2014 A.in B.on C.at D.for

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I must practice hard! Very hard! I must be patient! I must be persistent!

Section B & Self Check

1. How often do you eat junk food? 你多久吃一次垃圾食品？ 【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 2.She says it’s good for my health. 她说这对我的健康有好处。 【解析1】be good for/ be good at/ be good to 辨析： be good for be good at = do well in +n/doing be friendly to=be kind to 对……有好处，对…..有益（反）be bad for 对……有害 擅长于做某事 对…. 友好 ①My brother________________(擅长于) baseball.

( ) ② It’s not good ______ your health to play computer games so much.A. with B .in C. for ( )③ Running is good ___ your health. A. at B. to C. for D. with

【2014江苏淮安2】9. Andy, you’d better not eat meat only. You should know milk and fruit _______ good for you. A. is B. are C. was D. were. 【解析2】health n 健康→healthy adj 健康的 (反)unhealthy →healthily adv 健康地 【记】 You should eat healthy food to keep in good health. ◆ keep healthy = keep fit = stay healthy=keep in good health 保持健康 【拓展】n+y=adj. windy , cloudy, sunny, funny , snowy. ① They eat very ____________(health). ②Mike is good for our ____________(health). ② I think eating more _____ food can help us keep _____ . 【2014云南昆明】37. ---- Although Ms Zhou is an old lady, she is always in the pink. ---- Yes. Because she exercises every day and eats a balanced diet. A. healthy B. lucky C. beautiful D. creative

3. How many hours do you sleep every night? 你每天晚上睡几个小时？ 【解析】 ①how many 多少，后跟名词复数，用于对可数名词的数量提问。 ( )--How many ____ are there in your basket, Jeff? --Only three.

A. rice B. orange C. eggs D. Fruit

【2014北京中考】25. —________people are there in your family?—Three. A. How often B. How long C. How many D. How much ②how 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?

How much is the bike? = What’s the price of the bike?

4. Although many students like to watch sports. 虽然许多学生喜欢看体育节目

【解析】 although=though conj 虽然，即使;不能与but 连用，引导让步状语从句 【解析】through + 手段、 媒介 “以，凭借，穿过” by + 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。 ( ) ①_____ he isn’t rich enough, he often gives away money to some poor children.

A. Though B. When C. Because D. If

( ) ②____ he is very tried, he still tries ______. A. Because ; work B. Because; to work

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