八年級(jí)英語(yǔ)上冊(cè)第七單元知識(shí)點(diǎn).doc

八年級(jí)英語(yǔ)上冊(cè)第七單元知識(shí)點(diǎn)一、重要詞匯1turn on 打開(kāi) Mike turned on My father asked me not to turn on the TV. turn off 關(guān)閉 He didnt turn off the radio , instead he turned it up . turn up 調(diào)大, 調(diào)高 Please turn it up , I cant hear clearly .turn down調(diào)小, 調(diào)低 Please turn down the TV . The baby is sleeping . Your radio is too loud. Would you mind turning it down ?2. cut up = cut into pieces 切碎 Tom , please peel three bananas and cut them up cut them into pieces . We must cut up these apples .和有關(guān)的短語(yǔ)：cut ones hair 理發(fā) cut down 砍伐 Cut off 切斷 cut in 插嘴3drink (1) 動(dòng)詞,“喝,飲,喝酒” Im thirsty . I want to drink some water . They drank a lot of beer. drink drink to 為.祝賀, 為干杯 Lets drink success to them . All the family drink to the health of the old grandfather .表示“喝水”用drink ； 用湯匙喝湯用eat ；用水“服藥”用take Please eat more soup . Take this medicine three days a day . (2) 名詞,“飲料” Well have a picnic tomorrow . I have to buy some food and drink .4. pour 動(dòng)詞,“倒,傾倒,灌,澆”pour sth Can you pour the dirty water outside ? pour sb sth. would you like me to pour you a cup of tea?5. put into (1) 把放進(jìn) = put inShe puts her books into her bag .We put some milk into the tea . (2) 把譯成 = translate into Please put these sentences into Chinese . 和有關(guān)的詞組： put away 把收起來(lái)放好 put up 支起,舉起 Put on 穿上 put down 放下 put off 推遲 put out 熄滅6. peel （1）動(dòng)詞,“剝,削” peel sb. sth= peel sth for sb. 給某人削果皮 Please peel an apple for the child . = please peel the child an apple . (2) 不可數(shù)名詞,“ 水果皮,蔬菜皮” apple peel orange peel potato peel 7. first, next, then , finally 都是表示先后次序的副詞。 (1) first “首先”,位于句首或句末。有時(shí)用first of all 替換表達(dá)。 First , we had better make a plan . Who got to the finishing line first ? First of all , you must get some information of that city .(2) next “ 其次, 接下來(lái),下一次 ”,可位于句首,句中,句末 。 Do you know what to do next ? When you next meet her, you should say sorry to her .(3) then “ 然后,其次 ”,常與and 連用。 We stayed for a while and then it was dark . He stopped suddenly and then fell on the ground .(4) finally “最后,終于” =at last Finally , they won the cup . He missed the bus , so finally he went to school on foot .8. at last, finally, in the end (1) at last, 指時(shí)間的“最后,終于” He has finished reading the novel at last . (2) finally , 指一系列事物或論點(diǎn)的“最后” First, well learn the new words , then the next, Finally well do some exercise .(3) 不明確強(qiáng)調(diào)時(shí)間或事物的“最后”時(shí),at last 和finally可以通用。 At last finally , I understood him .(4) in the end , 表示經(jīng)過(guò)努力之后,可用于將來(lái)時(shí)；at last, finally 則不可以。有時(shí)候,in the end = at last 9. mix 動(dòng)詞, “ 使混合,摻合”常用結(jié)構(gòu)mix A with B. 或mix A and B together Mix the eggs and sugar together in the bowl .If you mix blue with yellow , you get green . mix up, “攪和,拌和,混淆,搞混” Mix up the tomatoes with the sugar . Im always mixing her with her twin sister .10. add to 把 加到上Add some salt to the noodles .The fire is going out . will you add some wood to it ?11. how many “多少”, 用來(lái)對(duì)可數(shù)名詞的數(shù)量提問(wèn)。 How many apples do we need ? How many teachers are there in your school ? how much “多少”, 用來(lái)對(duì)不可數(shù)名詞的數(shù)量提問(wèn)。 How much milk do you need ? How much bread should I buy ? how much 還可用來(lái)提問(wèn)價(jià)格或重量,也可修飾動(dòng)詞用來(lái)說(shuō)明程度。 How much is the book ? -How much are the vegetables ? - Its two kilos . You dont know how much I miss you .12. like doing sth 喜歡做某事 （經(jīng)常性的喜歡） I like watching tv. like to do sth 喜歡做某事 （ 具體某次） I like to play basketball this afternoon . like還可作介詞,表示“像一樣” She looks like her mother . He runs like a lion . I want to be a teacher like Mr Zhang .feel like sth would like sth 想要某物 I feel like some fish and chips for supper . Its so hot . I feel like a swim . Would you like some help ?feel like doing sth 想要做某事 I feel like sleeping taking a walk . I dont feel like walking too much today . Do you feel like having something to drink ?would like to do sth. 想要做某事,愿意做某事 What would you like to do now ? I would like to have dinner with you .13. chicken (1)不可數(shù)名詞,“雞肉” I had some chicken for supper . (2)可數(shù)名詞, “ 小雞”,復(fù)數(shù)形式為chickens . A young chicken is called a chick (雛雞) .14On the top 在上方,在上面,top作形容詞或名詞 At the top of the mountain the top of a page Come out on top 成功,獲勝 He is at the top of his class in Chinese . I live on the top floor .15. help (1) 不可數(shù)名詞,“幫助” Thanks for your help .(2) 及物動(dòng)詞,“幫助”Thanks for helping me .Can I help you ? (3) help yourself . 請(qǐng)自便, 請(qǐng)隨意。 -Excuse me, can I borrow your bike ? - Of course . Help yourself . (4) help yourself yourselves to sth 隨便吃點(diǎn) Help yourselves to some apples , boys and girls . (5) with ones help = with the help of 在某人的幫助下 With Mrs Zhangs help, he makes great progress . With the help of Mr Zhang , he makes great progress .16. check 動(dòng)詞,“檢查,調(diào)查,核對(duì)”,后面直接跟名詞作賓語(yǔ)。 Did you check your homework ? You should check your exam paper before you hand in .二、祈使句 祈使句表示命令、提醒、商量,謂語(yǔ)動(dòng)詞用原形。 1祈使句的肯定形式： do型, let型, be 型。 Go and ask the teacher .Sit down , please .Lets go together .Be careful ! Theres danger ahead .2. 祈使句的否定形式： 在句首加dont 。Dont be late for school .Dont let the baby cry .Dont turn on the blender .3. 祈使句的反意疑問(wèn)句。 祈使句表達(dá)的是將來(lái)時(shí)態(tài)的動(dòng)作,反意疑問(wèn)句的助動(dòng)詞用will ；祈使句用于和對(duì)方交談,故變反意疑問(wèn)句時(shí)主語(yǔ)用you 。 （1）祈使句用肯定形式,反意疑問(wèn)句用will you 或 wont you 。 （2）祈使句用否定形式,反意疑問(wèn)句用will you 。 Put some relish on a slice of bread , will you wont you ? Don? (3) let 祈使句的反意疑問(wèn)句有兩種：let us開(kāi)頭用will you ；lets開(kāi)頭用shall we 。 Let us drink the milk shake , will you ? Lets play together , shall we ? 練 習(xí)一、單項(xiàng)選擇1-_ do you make a banana milk shake ? - Peel the banana first and blend it with milk . A. What B. When C. How D. Where 2. Could you take _ for these _ ? A. any photos , tomatoes B. some photos, tomatoesC. some photos, tomatos D. any photos, tomatoes 3. -The baby is sleeping . Please _the TV if you want to watch the game . - Ok . I will do that . A. turn on B. turn down C. turn off D. turn up 4. Attention, please . the flight has to be _ because of the heavy rain . A. put on B. put off C. put away D. put up 5. - Have you had breakfast , lily ? - No, I didnt _ like eating anything this morning . A. look B. sound C. feel D. taste 6. -Shall we stay at home watching tv tonight ? - No, Id like _ and see a movie . A. to go B. go C. went D. going 7. -Would you like to go swimming with me this afternoon ? - _ , but I have a lot of work to do . A. Yes, lets go B. Id love to C. No, I wont D. It doesnt matter 8. - Id like _ grapes and pears . - Oh, I only need _ orange juice . A. some, a few B. a few, some C. a little, few D. a little , a few9. We do hope the people in Sichuan will soon _ their troubles . A. go over B. turn over C. get over D. look over 二、根據(jù)句意和首字母提示補(bǔ)全單詞1How m_ salt do you need ?2. Can you p_ the banana for the child ?3. P_ the yogurt into the cup .4. You must read the i_ before you take the medicine .5. I dont like eating vegetables with too many i_ .6. Add a little s_ to the soup; it will be delicious .7. Would you like a c_ of tea ?8. He looked i_ the basket but saw nothing .9. First, put the butter on a s_ of the bread .10. Tel