高中英語必修三第二單元知識(shí)點(diǎn)詳解

1、精選優(yōu)質(zhì)文檔-傾情為你奉上Unit 2 Healthy eating知識(shí)點(diǎn)歸納1.  diet 日常飲食  go on a diet = be on a diet 節(jié)食 a balanced diet 平衡飲食 diet既可指習(xí)慣上吃的食物，又可指規(guī)定的食物。特指維持健康的食物。   food是一般用語，指進(jìn)入身體供人或動(dòng)物生長的食物。強(qiáng)調(diào)種類時(shí)為復(fù)數(shù)名詞。   2. provide sb. with sth. = provide sth. for sb. supply sb. with sth .= supply

2、 sth. to sb.offer sb. sth / offer to do sth. 3. energy 原是物理學(xué)上的術(shù)語“能量”, 用于人時(shí)則指“精力,活力，能量”power (身體上,精神上，自然的)能力,體力,智力，力量strength人的或者物體內(nèi)在的或者固有的 力量 force主要指做某事而使用的外力，或者武力，部隊(duì)，兵力。4. frustrated 修飾人或者人的聲音，表情 frustrating 令人沮喪的 be frustrated with 對(duì).感到沮喪 5.  ought to  （1）表示責(zé)任，義務(wù)   He ought to

3、 look after his sister.   （2）表示建議或勸告   You ought to study hard. 你應(yīng)該努力學(xué)習(xí)。  （3）ought to 的否定形式 ought not to  （4）ought to have done = should have done  過去應(yīng)該做而未做 6.think of  （1）想起；記起   Sorry, I didnt think of your name just now.  （2）考慮 

4、0; We should think of the matter carefully.  （3）為著想 Chen Guangbiao is always thinking of the poor people in the poor areas.  （4）想；打算    I am thinking of giving up smoking. think about想；考慮  think much of 對(duì)評(píng)價(jià)很高 think highly / well of 高度評(píng)價(jià)  think out 想出  think ba

5、dly / little of認(rèn)為不好  think over 仔細(xì)考慮   7.   情態(tài)動(dòng)詞   must, may, might, should 用于肯定猜測；can / could用于否定和疑問猜測。  （1）表示對(duì)現(xiàn)在情況的猜測，用“情態(tài)動(dòng)詞+動(dòng)詞原形”   He must be in the classroom. 他一定在教室。  （2）表示對(duì)過去情況的猜測， 用“情態(tài)動(dòng)詞 + have +過去分詞”   The ground is wet, it mi

6、ght have rained last night. 地是濕的，昨晚可能下雨了。    （3）can / could  用于疑問句表示“可能嗎”；用于否定句表示“不可能”。   -It cant be him. He has gone to Xian.     不可能是他，他去西安了。  8、   be tired of 對(duì)厭倦；厭煩   be tired of 對(duì)厭倦；厭煩   be tired from / w

7、ith 由于而疲憊    特別提示： tired of為形容詞短語，在句中作狀語。形容詞作狀語時(shí)，多放在句首或句末。在句中作原因狀語、條件狀語或伴隨狀語。9.   lose weight 減肥 put on weight 增肥；長胖   10 have sb. do sth. 讓某人做某事have sb. / sth. doing  讓某人做某事；讓某情況發(fā)生have sb. / sth. done  使某事被做11.    get away with 不受懲罰；被

8、放過     get across使了解   get around/round/about到處走動(dòng)   get down to 著手，開始get down下來；使沮喪   get over恢復(fù)   get through完成get away from 擺脫 get along with 與相處 get out of 從中出來12. tell a lie / lies to do something 為了做而撒謊  tell a lie / lies with sb.

9、 = lie to sb. 對(duì)某人撒謊  13. lie- lay-lain-lying 躺，位于lie -lied-lied- lying 撒謊lay- laid- laid- laying 放置，下蛋14. too much 后接不可數(shù)名詞；位于動(dòng)詞后，修飾不及物動(dòng)詞much too 修飾形容詞或副詞15、 earn ones living 謀生 =make a living  16. although / though / as / while / no matter / _ever 引導(dǎo)讓步狀語從句，要正確區(qū)分主句，從句之間的邏輯關(guān)系。17. c

10、usrom 風(fēng)俗，習(xí)慣 customer 顧客，消費(fèi)者18、  in debt欠債be out of debt不欠債   get into debt=run into debt=fall into debt 負(fù)債  in ones debt 欠某人情19. consult sb./ sth. 查閱某事物/請教某人 consult sb. about sth. 就某事咨詢某人 consult with sb. 與某人交換意見，商談20. be willing to do 愿意做某事 be unwilling to do 不愿做某事21.glare

11、 vi.怒視；發(fā)耀眼的光glare 指由于羨慕、恐懼、驚訝而用恐嚇、兇狠或憤怒的眼光看。gaze指由于驚訝、好奇、喜悅、同情或感興趣而目不轉(zhuǎn)睛的看。stare指固定的凝視，暗示好奇、勇敢、無禮貌或愚蠢。glance “一瞥”   22、spy on暗中監(jiān)視spy into 探聽  spy out 覺察；發(fā)現(xiàn)   spy out the land 了解情況；估計(jì)形勢23.    benefit   （1）vt. 對(duì)有利    The fresh air he

12、re will bebefit you.    （2）vi. 受益；得到好處 benefit from/by    You will benefit from the fresh air here. 24、    cut down   （1）削減；減少    You should cut down your smoking. 你應(yīng)該減少吸煙。    （2）砍倒    Only a few trees can

13、 be cut down for firewood.   cut across走捷徑   cut at向砍去    cut in 插嘴；干預(yù)  cut off切斷；擋住  cut out 刪掉；切除     cut up 切碎；使難過 25、  before long 不久以后,用于一般將來時(shí)態(tài)。 long before表示“很久以前”，用于過去時(shí)態(tài)。26、    put on   （1

14、）穿上；戴上   Put on your coat, its cold outside.     （2）上演；表演；展出    They put on a new play last week.    （3）假裝   He put on a smile when he saw me. put aside 放到一邊；存儲(chǔ)   put away 收起來；存儲(chǔ)   put back 放回原處；撥慢 put down 放下；

15、寫下來   put forward 提出；推薦  put off推遲；讓下車  put out 撲滅；生產(chǎn)；發(fā)表 put up 舉手；搭建；張貼  put up with 忍受；容忍27. the+序數(shù)詞 表示第幾個(gè) a+序數(shù)詞 表示再一個(gè)，又一個(gè)28. to做介詞的固定搭配：be / get / become used to 習(xí)慣于 be given to 喜歡；癖好 be related to 與有關(guān)系 be addicted to 沉溺于 be opposed to 反對(duì) devote oneself to獻(xiàn)身于 be admitted to 被錄??；準(zhǔn)進(jìn)入 be attached to附屬于 adjust to 適應(yīng) be known to 為所知 be connecte