仁爱英语八年级上册第二单元Unit-2-Topic-3-SectionA-B课文知识点讲解

1、-八级册二元 Topic SectionA-B一、重点句型及知识点讲解1. I some questions, Li - ahead 我能问你一些 问题吗李医生？当，请问。(1) 1疑问句和否定句中表“一些”，常用 any, 不用 some. 但当此疑问句表建 议或请求时，Some 不改成 any. 如： you like tea 2） 意为“问题，疑问指较易解决的问题及口头回答的问题。 如： you 你能回答这个问题吗？【辨析】problem 和 question 都当“问题”讲，但它们是有区别的Problem 通常指难以解决的问题，尤指比较困难的问题，如社会、政治和经济等。与 它搭配的动词

2、一般是 work out 或 而 question 常指对某事疑惑不解需要 寻找答案的问题，它常与动词 或 搭配使用。如：We must solve the of traffic in as 我们必 须尽快解决北京的交通拥挤问题。 a difficult question to answer.这个问题很难回答。(2) Sure , ahead 当然可以，请问吧！ ahead.(口语)表示同意对方的请求据情况可译说吧 如： I read sports section 我可以看看体育版吗？ go ahead.请看吧！【拓展】 ahead and do sth .紧做某事。如： ahead eat

3、before gets cold.趁东西还没凉赶紧吃。 （2） ahead 在之前去。如：Bill ahead of others try for 比尔先于别人寻求帮助。 2. should we do prevent 因此，我们要做些么去预防它？（1） 防止、预防What should we do prevent （ prevent/stop .from doing sth“防止/挠做某事”-如：Nothing can from going.有任何事情可以阻止我们前往。 We do something to prevent the from being polluted.我们应该做一些事情使

4、环境不被污染。3. We often to us up. 我们应该经常锻炼使我们壮。 us up使我们的身体强健4. We keep from s.我们应远离拥挤的方。（1）keep away from “远离可与 away from 互换使用。如： from fire.当心，远离火源。（2）crowded 人群拥挤的地方5. go at we have the flu? Yes, must.当我们流感时我们要立刻看医生吗？是的，们必须去。Must 开头提出的问句 否定回答用 mustn来回答常见的回答如： I （我必须得走吗？肯定回答 you must.（是的必须 否定回答 you need

5、nt./ No, you dont have to. 不不必) （neednt= dont have to )而不能用 mustnt.【拓展】have to 意为“不得不，必须跟动词原形。下面我们来认识它的肯 定句、否定句及疑问句形式。（1）肯定句主语+have to +动词原形+其他。如：It I have to now.现在 7 点了，我必须得走了。（2）否定句主语 +dont t/didnt have to+动词原形其他。如：We t have to be of SARS.我们不必担心会感染非典。 （3）疑问句 助动词主语+have to 动词原形+其他。如： he his brothe

6、r? 他得照看他的弟弟吗？【辨析 和 have to 两者都必须思它们并不完全相同 侧重于个人意志和主观上的必须，have to 侧重于客观上的必要； 可用来表 示现在和将来的“必须时态变化，而 则可用于各种时态。如：I know I 我知道我必须努力学习。My sister was ill, so I to call doctor in midnight.-我弟弟病的很厉害，所以我只得半夜里把医生请来。6. We will your . 我们会采你的建。take ones advice = accept ones advice 接受某人的建议 ( advice 不可数名 词 )如：一条建议a

7、 piece of B I Dr. Li Yuping 你好！请问我可以和李玉平医生接电 话吗？_Im afraid is busy right now恐怕他现在很忙。(1)这是打电话的常用语。 I speak to?找接电话吗？拓展 类似的用法还有： I like to Tom.你好，我希望汤姆接电话较正式）Is Liu Ying ? 刘英吗？（可以省略 speaking）Is you 是你吗，我们可以说：I he 或者 ,he isn t here/in . 抱歉，他现在正忙。/抱歉， 他不在。如果是本人接电话我们可以说 is （speaking我是/请讲。 (2). He is busy

8、 now. 他现在正在。right now 用两种意思：现在= right in a at once=马上 2.，I up later.好的，我一会儿再给他打电话。ring sb up 给某人打电话当于 up .ring 属于动词和副词构成的短语， 如果接人称代词，代词必须位于 中间；如果是名词，位于 ring up 的中 间或后边都可以。如：Li Lei up his mother day.=Li mother up 李雷每天 都给他妈妈打电话。I ll ring you up as I Beijing.我一到北京就给你打电话。【拓展】 给某人打电话以用以下表达法call sb/give s

9、b a a phone 等。另外还有： a 打个电话； sb 给某-人回个电话。3. I leave a message 我能留个吗？ message留言给某人留个口信: 类似的词组： sb a a message 给某人带口信；捎口信。如： a message him.=Please give 4. tell my father the talk tomorrow 请告诉我的爸爸不要忘记明天下午的谈话。(1)tell sb to 告诉某人做某事tell not to 告诉某人不要做某事Teacher tells not to late for school. 作及物动词，意为“忘记，遗忘可接

10、名词、代词、动词不定式 或动名词作宾语。如：I never forget you.我从没忘记你。析 do .忘记去做某事（to do 表示将来的动作如：I forgot to the when I left 今天早晨离开时我忘记关 窗户了窗户没关）2）forget doing 忘记曾经做过某事。如：I closing window. It I came the .我忘记曾经关过窗户，当我进入房间时，窗户是关着的。5. Ill give him the . 我会自给他的。P46 are still Yes, I to You _had not_ TV too much Its bad for y

11、our eyes. And you your first.I did, but I _can finish it by myself. you me with it, Mom?You _should_ do it first. I have to .Is free today?Im afraid he is busy. _Why not_ classmates for But I guess they _may_ have problems s. Aha! Mom, _may_ I your computer for help?Sure. The can with your studies.-

12、Youre right, Mom. Im sure I _can_ finish my homework with the it.of 二、典型题 :( Hello! May I Mary?_A. Im Mary.C. is Mary B. Mary is me.D. Im speaking.( My ask me _ in make me healthy. up me C. to build up B. up D. to me up( _ yesterday I was out. built up meC. rang up B. built upD. rang me ( I ask Dr.

13、_A. Youre welcome.C. No, Im busy.( I part in the B. Sure, go D. you No, you _. Youre too young. You A. mustnt B. dont C. cant D. dont haveto( Our tell _ the bar. stay from stay fromC. not stay away from D. not from( )7 We dont know how to preve the flu. Shall we Wang Hai for_? the B. an advice C. so

14、me D. advices三、课堂习 :-I. 单选( I You _. lots of water C. dentistB. a D. a good sleep( we keep the window No, you dont have to. opening C. to D. open ( I the day?No, _. B. mustnt C. neednt D. cant( My mother is ill. I home to of can B. may C. have to D. ( I use your Lily?Sure, _. go B. you Bill C. you c

15、ant D. thats allrightII. 完形填空。Ava was ill. She went to see a doctor. The doctor to 1 her 舌头), and then he said,“OK. You can put your tongue back now. Theres2wrong with you, but m afraid you have a problem, never take “But, doctor, said,“I dont think ”3.”“Dont4me what you think,”the doctor said,“I se

16、e a lot of people5you. None of get any They sit in offices all day front of TV in the evening. You must walk quickly for at 20 minutes day.”“Doctor, dont understand.”Ava said,“I take enough exercise every day. ”“I dont want to6any excuses,” the doctor said, must find time7exercise. If you dont, you

17、will get8and have health problems.”“But walk every day.”Ava said.-“Oh, yes, and know what ki nd of walking that You walk 9 meters the bus stop from your from the to your office, and from office to your dining- for lunch and back. Thats not a walk. Im talking about a walk by the lake or in park 20 mi

18、nutes every ”“Would you please10me, doctor?”Ava said,“I a postwoman. I walk fornearly seven every day.”For a moment the doctor was silent, then he said,“Can I see your tongue again?( put away ( something( exercises( tell( seem( ( ( thin( ( to B. put B. nothingB. B. sayB. likesB. sayB. forB. strongB.

19、 a littleB. C. put C. C. medicinesC. C. likeC. findC. C. fatC. fewC. to listen D. put D. D. exerciseD. speakD. D. look forD. D. healthyD. a fewD. 四、课后业：阅读理解。（A）Modern people realize the importance exercise. Its impo rtant for men to keep a good of exercising. the following table( 表格, it someexercise

20、 formation a week about some of my classmates. “”means”.Zhang Jian Xiao PangLi LeiJackWednesday-FridaySunday根据短文内容，选择正确答案。( _ very few do B. Wednesday C. Friday D. Sunday( _ of on Saturday. Two four D. Five( Steve does usually B. seldom C. always D. ( _ does exercise Jian B. Xiao C. Li Lei D. Jack(

21、a Jian B. Xiao （B）Dear Cindy,C. Jack D. B and CJune 8, Im sorry to hear that Bird Flu ( 禽流感) is very serious in parts of theworld have got the flu. We good care of keep from you tell me in do keep from it? me Yours,Betty 2, Dear -I think Bird Flu is very Many ducks in country got the Some of died, but flew germs to other places. This is a problem. We must to solve i