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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-dateUnit2-How-often-do-you-exercise知识点归纳与练习很健康dffdfUnit2 How often do you exercise?知识点归纳与练习Section A知识讲解一. help with housework 帮助做家务 1. help with sth. 意为“帮助做某事” 2. help sb. with sth. = help
2、 sb. _ sth. 帮助某人做某事 Eg: I often help him _ his English. = I often help him _ English. 【拓展】1. help oneself to 请随便吃/喝Please help yourself to some cakes. 2. cant help doing sth 情不自禁做某事I cant help falling in love with that girl. 我情不自禁爱上那个女孩。二housework 意为“家务劳动”。不可数名词。 1. They have housework to do. A. man
3、y B. much 三. sometimes 有时辨析：sometimes ，some times ，sometime ， some timesometimes 有时候。=at times= from time to time也是“有时”的意思。some times 几次。time作可数名词时可作“次数”解；表示“时间”时是不可数名词。sometime 某个时候。可指过去或将来的某个时候。some time 一段时间。常与for连用。对它提问用how long 。 口诀记忆：分开“一段时间” ；相聚“某个时候”。四. hardly ever 几乎不 比较： hard、hardly和hardly
4、 everhard作形容词时，意为“困难的；硬的；勤奋的；严厉的；苛刻的”。hard作副词常用来表示程度，意为“努力地；猛烈地；剧烈地”， 位于动词后。This ground is too hard to dig. 这块地太硬，挖不动。They tried hard to succeed. 他们努力工作，以求得成功。Hardly 副词，意为“几乎不”，表示否定意义，位于实义动词之前，系动词、助动词、或情态动词之后，不表示频率。常用来修饰表示能力的词，如can, could等。He can hardly play football. 他几乎不会打篮球。There is hardly any co
5、ffee left. 几乎没有剩余的咖啡了hardly ever是频率副词，“几乎不；几乎没有”，相当于almost not, seldom。 五. exercise1. vt. “锻炼、运动”。 How often do you exercise? 2. U “锻炼、运动”，常与动词take连用。 Exercise _ me keep healthy. 运动使我保持健康。John likes taking exercise in the open air. 约翰喜欢在户外锻炼。3. C “练习；操”。 We do morning_ every day. 我们每天做早操。六use the In
6、ternet 用互联网 use sth. to do sth. 用某物做某事 I use a knife to cut bread. 我用刀切面包。 短语：on the Internet 在网上 ， surf the Internet 网上冲浪，上网 七Whats your favorite.? =What. do you like best？你最喜欢的.是什么？1.Whats your favorite animal？你最喜欢的动物是什么？= _ 八. free 意为“空闲的，有空的”反义词busy。 be free 意为“闲着，有空” eg:：He is free now.他现在有空。 拓
7、展：free还可译为“免费的” Eg：The tickets are free. 票是免费的。九 quite full 很忙，相当忙.1. adj. full 还可译为“满的，充满的”。 反义词是empty，意为“空的”。 Eg：The bus was full when they got there. 翻译_. 拓展：A be full of B. = A be filled with B; A中充满了B。The room is full of students. The bus is full of people.The hall is _ people. A. fill with B.
8、full with C. filled of D. filled with 2.full adj. “饱的”。 其反义词是hungry，意为“饥饿的”。Are you hungry or full？你饿了还是饱了？ Eg：I cant eat any more，I am quite full. 我不能再吃了，我相当饱了。十 maybe “也许，大概，可能”，常位于句首。 Eg：Maybe he knows Tom. 也许他认识Tom。辨析：maybe 和may be maybe 也许，大概，可能。（句首）Maybe you are right. 也许你是对的。may be “可能是，也许是”。
9、 为“情态动词+be动词”结构。（位于句中）You may be right. 你也许是对的。 十一.at least 意为“至少”。其反义词为at most “最多”。 Eg：There are at least 1,500 students in our school. _。十二. how often意为“多久一次”，常用于对时间频率的提问。回答可用once/twice/three times a day(一天一/两/三次)，sometimes(有时)，never(从不)，very often(经常)等。How often do you watch TV? 你多久看一次电视？词语词义用法答
10、语特征how long多久询问时间多久for/about+一段时间how often多久一次询问动作的频率often, twice a week等how soon多快，过多久询问时间多快in+一段时间how far多远询问距离多远ten minutes walkhow many多少询问Cn数量数词+Cn复数how much多少询问Un数量数词+表示量的词+Un多少钱询问价格数词+钱十三. look、see、watch和read辨析：look为不及物动词，后接宾语时须用介词at，指看的动作。see着重于看的后果，即“看到，看见”。read多指“看书、报”，这里的“看”实为“读”。watch表示“
11、注视，观看，监视”之意。也常用于“看电视，看比赛”等短语中Section B一 want sb. to do sth. 的否定形式为want sb. _to do sth. Eg：She wants me to bring him some pens. 否定：She wants me_ him some pens.1.want sth. 想要某物 2.want to do sth. 想要做某事3. want (sb.)to do sth.=would like/love (sb.)to do sth.二 be good for 意为“对有益”。反义词为be bad for “对有害”。 Eg:
12、 Vegetables are good for you. 蔬菜对你有好处。【拓展】1.be good to“对好”，其反义短语为be bad to“对不好”。 2. be good at“在方面擅长”， at后面常接名词、代词或动词-ing形式，同义短语为do well in。 She is good at English and Chinese. = She does well in English and Chinese. 她擅长英语和汉语。I am good at _（play）basketball.3. be good with “和相处得好；擅于和相处”。 Are you good
13、 with children? 你和孩子们相处得好吗？三1. health n. 健康，C ，意为“健康(状况)”，常用于“be in good(poor/bad)health”短语中，表示“身体好(不好)”。 My grandparents are both in good health. 我祖父母身体都很好。2. healthy adj. 健康的 unhealthy adj.不健康的四 ask sb. about sth. “询问某人关于某事” Eg:I asked my teacher about todays homework. 五. Here are the results. 这是（
14、调查）结果。 here 位于句首，句子要倒装。Here is + 单数名词。 Here are + 复数名词. Eg：Here is your jacket. 这是你的夹克。六find + 宾语 +名词, 发现 ： We have found him (to be) a good boy. find + 宾语 + 形容词， 发现： He found the room dirty. 七. 1. 百分数由percent表示，基数词+percent ，常用“数词percent of名词” 这一结构作主语时，谓语的单复数要看percent of 后跟的名词，如果是可数名词复数，谓语应该用复数，如果是不
15、可数名词，谓语应该用单数Thirty percent of the students _ ( like) watching game shows.70 percent of water _ ( be ) salty water(盐水)。八not. at all “一点儿也不，根本不”, not和be、助动词或情态连用。 Eg：I dont know about it at all. 对那件事我一点也不知道。 The story isnt interesting at all. The old man cant use the computer at all. 拓展：not at all = y
16、ou are welcome 意为“不用谢，不客气”。 Eg：-Thank you for your help. -Not at all.九surprised 惊奇的，感到意外的1. be surprised at sb. / sth. / doing sth. 对感到惊奇We are surprised at the news. 2. be surprised to do sth. 对做某事感到惊讶Im very surprised to meet you here.3. be surprised that + 从句. 因感到惊讶Im surprised that he came here
17、on time.【拓展】 surprising 令人惊讶的 to ones surprise 令某人惊讶的是 in surprise 惊讶地 ； 吃惊地十the answers to questions 问题的答案 the way to sp 去某地的路十一. most students = most of the students 大多数学生1. most +复数名词. Most birds can fly.大多数鸟儿会飞. _ 大部分时间2. most of + 限定词+复数名词 most of the girls , most of my friends3. most of + 人称代词
18、宾格 most of them / us_ the students like reading the story. A. Most B. Most of4. the +most +多音节形容词，表示最高级，意为“最”。 This is the most beautiful flower. 这是最漂亮的花。如果most前有不定冠词a，则表示“非常；很”，相当于very。 She is a most beautiful girl. 她是个非常漂亮的姑娘。十二. although “虽然，尽管”。although与but不能同时使用。 My cousin knows a lot about geo
19、graphy， although he is only four years old. 十三. Its+adj+（for/of sb.）+to do sth. “（对某人来说）做某事是的”。 Eg：Its very important to listen carefully in class. 上课认真听讲很重要。 Its easy for us to swim. 对我们来说游泳很容易。 Its very nice of you to help me out. _ 十四 . by+交通工具 乘. by+时间 到.时（为止） by+地点 在.旁边【拓展】through和by的区别、through
20、 后常加名词表示手段媒介，through exercise 通过锻炼by 后常加工具或v-ing, by working hard (by doing sth. 通过做某事)十五. such as 例如；像这样。后面跟名称、代词、动词的ing形式 Eg: I have a lot of hobbies, such as _and _. 我有许多爱好，如读书和唱歌。拓展：such adj.& pron.这样的；那样的；类似的；作形容词时，其后修饰名词。Tom lives in such a large house. 汤姆住在一所这么大的房子里。such和so二者都有“如此；这样”的意思，但具体用
21、法相异。such用来修饰名词，so用来修饰形容词或副词。sucha/anadj.n.(单数) suchadj.n.(复数/不可数名词)soadj./adv. soadj.a/ann.(单数)sucha/anadj.n.(单数)somany/few/much/littlen.(复数/不可数名词)He is such a clever boy.He is so clever a boy.Its such fine weather today.They didnt have so much time to do their homework.他们没有如此多的时间做作业。 十六. spend 意为“度
22、过” 或“花费（时间、金钱）”。 Eg: Come and spend the weekend with us. 来和我们一起度过周末吧。 spend timemoney on sth.在.上花费时间或金钱. =spend timemoney （in） doing sth. 花费时间或金钱做某事 He didnt spend much time on his homework.= He didnt spend much time_ his hw. I spend 200 yuan on a new coat. = I spend 200 yuan _ a new coat. Dont spen
23、d too much time watching TV. = Dont spend too much time _TV. He always spend his time playing football. = He always spend his time _ football. 拓展比较： 1. cost的主语是物 sth. costs sb.金钱/时间 某物花了某人多少钱/时间。doing sth. costs sb.时间 做某事花了某人多少时间。2. take后面常跟双宾语， 常见用法有以下几种： It takes sb.时间/金钱to do sth. 做某事花了某人多少时间。例：I
24、t took them three years to build this road. 他们用了三年时间修完了这条路。3. pay的基本用法是：(1) pay (sb.) money for sth. 付钱（给某人）买。I have to pay them 20 pounds for this room each month. 我每月要付20英磅的房租。 (2)pay for sth. 付的钱。I have to pay for the book lost. 我不得不赔丢失的书款。 (3)pay for sb. 替某人付钱。Dont worry! Ill pay for you. 别担心,我会
25、给你付钱的。(4)pay sb. 付钱给某人。They pay us every month.他们每月给我们报酬。 十七. through prep. 以；凭借；穿过He became rich through hard work and ability. 他凭借辛苦的工作和能力变得富有。The sunlight was coming in through the window. through，across，overthrough “穿过”，从物体内穿过。They walked through the park after supper.across “穿过”，从物体表面通过。I swam
26、across the river and felt very tired.over “越过；跨过”，越过一个有高度的物体。Can you jump over the table?十八. however “然而,不过” 可位于句首句中,句末. 但要用逗号隔开。 Eg: She was ill. However, she still went to work. 她病了，然而她依然去上班。 辨析：but和however but直接连接前后两个句子，转折的意味比however强，表示非常明显的对比。 However “然而，但是”。 不能直接连接句子，必须用逗号与句子隔开。 Eg:1.It began
27、 to rain, _ ,we went out to look for the boy. 2. It a sunny morning，_very cold. 这是个晴朗的早晨，但是却很冷。十九. more than 相当于over。意为“超过，多余”。 There are more than 2000 books. 二十. afraid 意为“担心的，害怕的”。1.be afraid to do sth. 害怕做某事 Eg：I am afraid to_ plane. 我害怕乘飞机。2.be afraid of sb. sth. 害怕某人某物be afraid of doing sth. 害
28、怕做某事Eg：She is afraid of the dog. 她害怕那只狗。 Dont be afraid _ questions. 不要怕问问题。二十一. less than six. 少于6小时。 less than 意为“不到，少于”。其反义词为 more than/over “多余，超过” Eg：She sleeps less than seven hours every night. 他每晚的睡眠时间不到7小时。 We know Tom for _ 20 years. 我们认识Tom超过20年了。 拓展： less 是little的比较级，She has less milk th
29、an me. 22. die v. 消失；消灭；死亡1. “死亡”，不用于被动语态，强调动作，瞬间动词，不能与一段时间连用。His grandfather died five years ago. 他祖父五年前去世的。2. die可以用于进行时态，dying , 表示“即将死去，奄奄一息”。He is dying.他快要死了。拓展： 1. dead 死的，是die的形容词形式。可作表语或定语。作表语时，表示状态。His dog has been dead for two weeks. 他的狗已死了两周了。2. death 死亡，是die的名词形式。His mothers death made
30、him very sad. 他母亲的去世使他非常难过。23. none none 与no one, nobody 的用法区别1. no one=nobody，两者均只能指人，作主语时，谓语动词一般用单数。如：No one Nobody _ 谁也不知道。No one Nobody _ it. 没人喜欢它。注：按传统语法，两者之后均不能接 of短语。2. none 既可指人也可指物，其后通常接 of短语；用作主语若指不可数名词，谓语只能用单数，若指可数名词，则谓语可用单数或复数。None of the food was left. 一点食物都没留下。None of the books is are
31、 interesting. 没有一本书有趣。3. none 暗示一种数量，“一个也没有”，而 no one 或 nobody 指“谁都没有”，回答 how many 或 how much 的提问时，通常用 none，而在回答 who 的提问时，通常用 no one 或 nobody。体会：A：How many English books have you read? 你读过多少本英文书?B：None. 一本也没读。A：How much money did you give her? 你给了她多少钱?B：None. 一分也没给。A：Who went to see the film? 谁去看电影了
32、?B：No one Nobody. 谁也没去。24. mind 1. mind n. “思想”、“想法”、“头脑”、“智力”。 change ones mind(改变主意)，make up ones mind(下定决心)，set ones mind to (do) (专注于)，keep in mind(记在心里)，come into ones mind(计上心来)等。 2. mind v. “介意”、“反对”，常用来表示委婉、客气的请求。“Would/Do you mind doing.意为“你介意吗？ Would you mind closing the door？关上门好吗？3. Neve
33、r mind意为“没关系”、“不要紧” 25. point 1. n. 分数，得分She always gets good points in any subject.不管哪一学科，她总是得高分。 n. 要点，论点 v. 用手指. point to (指向.强调方向) point at(指着.) He pointed to the door. She is pointing at the math question on the blackboard.单元试题一、选择填空( )1.How often do you take exercise? _. A. sometimes B. Three
34、hours C. At three oclock D. In two hours( )2.They were very tired. _, they decided to keep going. A. So B. However C. Because D. Although( )3、_ does your mother go for a walk？ Every afternoon.A. How long B. How often C. How much D. How many( )4.Would you like some bread? _, Im full. A. No, thanks. B
35、. Yes, please. C. No, I dont like it. D. Yes, I would.( )5.You are not healthy at all. You need to eat_ fast food and exercise_. A. more, less B. less, less C. more, more D. less, more( )6.Good luck with your test. _. A. Thank you B.OK C. Thats all right D. Yes( )7.He usually goes to work by bike, b
36、ut_ walks to the office. A. often B. never C. always D. sometimes( )8. I wanted_ basketball but I_ run fast. A. play, could not B. to play, cant C. play the, cant D. to play, could not( )9.Here _ the results _ the student activity survey(活动调查). A. Is; with B. Are; of C .is; of D. Are; with ( )10._ h
37、e is very old, he works very hard.A. Although B. Through C. But D. And ( )11. Do you like Chinese tea with _ in it. A. anything B. nothing C. something D. No one( )12. Larrys mother wants him _ at home today . A. stays B. stayed C. staying D. to stay( )13._ does Kitty dance every day? Two hours. A.
38、How old B. How long C. How much D. How many hours ( )14.I dont like eating lemons(柠檬) _ they are too sour(酸). A. because B. Because of C. so D. But( )15. “Are you _?” “Yes. Im in good _.” A. health; health B. healthy; healthy C. health; healthy D. healthy; health ( )16. _ it is raining, _ he is stil
39、l working outside. A. Although; but B. Although; / C. But; although D. /; although ( )17.Many animals _ because the weather was bad.A. were deadB. diedC. dyingD. death( )18. I left my keys in the room yesterday. I had to get in the window. A. by B. through C. over D. across( )19. Reading aloud is th
40、e best way English. A. to learn B. learning C. to learn D. learns( )20. Its bad for you too much junk food A. eating B. to eat C. eat D. ate ( )21.It is really cool to realize your dream _great effort(努力).A. through B. of C. till D. about( )22. It is easy. _ any man can do it. A. Most B. Almost C. B
41、ut D. Though( )23. John turned round and looked at him _. A. surprising B. in surprise C. at surprised D. to his surprise( )24. They are all very tired, but _ of them took a rest. A. none B. all C. both D. either( )25.Can a plane fly _the Atlantic Ocean? Yes, but it needs to go _the clouds for hours
42、. A. across; through B. through; across C. across; across D. through; through( )26. Jane is_ high school student in the United States. A. a 18-year-old B. a 18-years-old C. an 18-years-old D. an 18-year-old( )27.My parents often ask me _too much time _computer games. A. not to spend, playing B. not to spend, to play C. to not spend, play( )28.Can y