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1、Unit 2 Keeping Healthy詞句精講精練【詞匯精講】1. well （1）well作形容詞，意為“身體健康的，身體好的”。例如： I hope you will be well soon. 我希望你很快好起來(lái)。 He is quite well. 他身體好。（2）well 作副詞，意為“好，令人滿意地”。例如：Mary speaks English very well.瑪麗英語(yǔ)說(shuō)得很好。He sings well. 他唱得好。2. take care of （1）take care of是動(dòng)詞短語(yǔ)，意為“照顧，照料，保管”, 后接名詞或者代詞做賓語(yǔ)。例如： Please tak

2、e care of the little boy. 請(qǐng)照顧一下這個(gè)小孩兒。（2）take care of常與詞組look after 互換，但是表示“保管”常用take care of。例如：You must look after the cat. = You must take care of the cat. 你必須照顧這只貓。 You have to learn to take care of your possessions. 你得學(xué)會(huì)保管好自己的財(cái)物。3. worry （1）worry可用作不及物動(dòng)詞或及物動(dòng)詞。作及物動(dòng)詞時(shí)，意為“使煩惱，使擔(dān)憂”。作不及物動(dòng)詞時(shí)，意為“發(fā)愁，擔(dān)心，

3、煩惱”，常與介詞about連用。例如： Whats worrying you? 什么事使你煩惱？ Dont worry about me. 不要為我擔(dān)心。（2）worry也可用作名詞。既可作可數(shù)名詞，也可作不可數(shù)名詞。例如： Her face showed signs of worry. 她臉上顯出擔(dān)憂的神情。 I have a lot of worries. 我有很多擔(dān)心。（3）worry的過(guò)去分詞worried相當(dāng)于形容詞，意為“擔(dān)心的，煩惱的”，常與be/look/feel等系動(dòng)詞連用。be worried about意為“為擔(dān)心”。例如： She is worried about he

4、r sick mother. 她擔(dān)心她生病的母親。4. enough （1）enough是形容詞，意為“充足的，充分的，足夠的”，可作表語(yǔ)或定語(yǔ)，作定語(yǔ)時(shí)，可放在名詞的前面或后面。例如：The food is enough for the trip. 用于這次旅行的食物足夠了。I have enough time to watch TV. 我有足夠的時(shí)間看電視。（2）enough還可作副詞，意為“足夠的”，這時(shí)enough需放在所修飾的形容詞或副詞后面。例如：The young man is strong enough to carry the heavy bag. 那個(gè)年輕人足夠強(qiáng)壯能搬動(dòng)重

5、包?！就卣埂?（1）There be enough“有足夠的”。 例如： There arent enough seats for all the people to sit down. 沒(méi)有足夠的座位能讓所有的人坐下。 （2）enoughto do sth. “有足夠的做某事”。例如： I dont have enough time to eat lunch. 我沒(méi)有足夠的時(shí)間吃午飯。 （3）enough to do可以同tooto或sothat結(jié)構(gòu)互相轉(zhuǎn)換。例如： He isnt old enough to go to school. = He is too young to go to

6、school. = He is so young that he cant go to school. 他太小而不能上學(xué)。5. feel like （1）“感覺(jué)像，摸起來(lái)像”。例如： I feel like a child. 我感覺(jué)自己像個(gè)小孩子。 （2）“想要”。后接代詞、名詞或動(dòng)名詞。例如： Do you feel like some fish for supper? 晚飯你想吃些魚(yú)嗎？ （3）It feels like句型可用來(lái)表示天氣、時(shí)間等，意為“好像要，似乎是”。例如：It feels like tea time. 好像喝茶的時(shí)間到了。【拓展】 feel like; would l

7、ike與want的辨析： 三者都可表示“想要做某事”。其用法分別如下： （1）feel like 后接名詞、代詞或動(dòng)名詞，構(gòu)成feel like doing sth. 例如：I dont feel like eating. 我不想吃東西。 （2）would like后接名詞、代詞或不定式。構(gòu)成：would like to do sth. 例如：What would you like to do now? 你現(xiàn)在想做什么？ （3）want后可接名詞或不定式，構(gòu)成want to do sth. 例如：Do you want to join us? 你想加入到我們中嗎？6. something ne

8、w（1）something是復(fù)合不定代詞，意為“某物，某事”，常用在肯定句中，而在否定句或疑問(wèn)句中，則多用anything。例如： I would like to do something interesting. 我想做一些有趣的事情。 He cant find anything to eat. 他找不到吃的東西。（2） something new中new作后置定語(yǔ)，修飾不定代詞something。由some / any / no / every /與body / thing或where等構(gòu)成復(fù)合不定代詞或不定副詞時(shí)，其修飾詞常后置。例如：I want to move somewhere e

9、lse. 我想要搬到別的地方去。He has something important to say. 他有重要的事要說(shuō)。【拓展】常用的復(fù)合不定代詞有：somebody; someone; something; anybody; anyone; anything; nobody; nothing; everyone; everybody; everything等。不定代詞有兩種用法：一是作主語(yǔ)時(shí)，相當(dāng)于單數(shù)第三人稱；一是被形容詞修飾，形容詞常作后置定語(yǔ)。例如：Everyone is here. 人人都在這里。Ill buy you something new. 我要給你買些新東西。口訣： 不定代

10、詞美名揚(yáng)，修飾成分后邊藏；單數(shù)動(dòng)詞作謂語(yǔ)，何時(shí)何地都一樣。7. three times a daythree times a day意為“每天三次”，是一個(gè)表示頻率的副詞短語(yǔ)，對(duì)其提問(wèn)時(shí)用how often。例如：You should take your medicine three times a day. 你應(yīng)該每天吃三次藥。-How often do you wash your clothes? 你多久洗一次衣服？-Once or twice a week. 每周一兩次?！就卣埂吭谟⒄Z(yǔ)中，表示“一次”用once，表示兩次用twice，表示“三次或三次以上”時(shí)，用“基數(shù)詞+ times”，

11、此時(shí)time是可數(shù)名詞，意為“次數(shù)”。例如：once a week 每周一次 twice or three times a week 每周兩三次8. advice advice是不可數(shù)名詞，意為“意見(jiàn)、建議、勸告、忠告”，不能與不定冠詞a 連用。例如： a piece of advice一條建議 Let me give you some advice. 讓我給你一些建議。 【拓展】 （1）give advice (on) 給提（有關(guān)）的建議。例如： Can you give me some advice on how to learn English well?你能給我一些關(guān)于如何學(xué)好英語(yǔ)的建

12、議嗎？ （2）take ones advice 聽(tīng)從某人的建議 例如： Ill take your advice, and do exercise every day. 我會(huì)聽(tīng)從你的建議，每天鍛煉身體。（3）advise是advice的動(dòng)詞形式，意為“建議”，常用于advise sb. to do sth.的結(jié)構(gòu)中。例如： He advised me to read English every morning. 他建議我每天早晨讀英語(yǔ)。9. messagemessage是名詞，意為“消息、信息、口信”。例如： Li Lei called you with a message for Jim.

13、李雷打電話要你給吉姆捎個(gè)口信?！就卣?】 have a message for sb. 有某人的一個(gè)口信 give sb. a message 給某人一個(gè)口信 take a message for sb. 為某人捎個(gè)口信 leave a message for sb. 給某人留個(gè)口信【拓展2】message; news與information的辨析： 三個(gè)詞都可以表示“消息，信息”，區(qū)別如下： （1）message是可數(shù)名詞，多用于口頭，書(shū)面或無(wú)線電、網(wǎng)絡(luò)手機(jī)等各種渠道日常傳遞的消息或信息。例如： I sent a message to him with my mobile phone yes

14、terday. 昨天我用手機(jī)給他發(fā)了一條短信。 （2）news是不可數(shù)名詞，指廣播、電視報(bào)紙等報(bào)道的事件。例如： There are some interesting pieces of news in the newspaper. 報(bào)紙上有一些有趣的新聞。 （3）information是不可數(shù)名詞，指通過(guò)學(xué)習(xí)、觀察、閱讀、調(diào)查等方式得到的消息。例如： We can get more information from the Internet. 我們能夠從因特網(wǎng)上得到更多的消息。10. ask sb. to do sth.ask sb. to do sth.“讓某人做某事”，其否定形式為ask

15、 sb. not to do sth.“讓某人不要做某事”。例如：I often ask him to help me with my housework. 我經(jīng)常讓他幫助我做家務(wù)。My mother asked me not to read in the sun.媽媽讓我不要在太陽(yáng)下看書(shū)?！就卣埂浚?）ask sb. sth. “問(wèn)某事某事”。例如： Can I ask you some questions? 我能問(wèn)你一些問(wèn)題嗎？（2）ask sb. about sth.意為“詢問(wèn)某人有關(guān)某事；向某人打聽(tīng)某事”。例如： My father often calls me up and asks

16、 me about my study. 爸爸經(jīng)常給我打電話，詢問(wèn)我的學(xué)習(xí)情況。（3）ask for sth.“請(qǐng)求某事，要某物”，相當(dāng)于want sth. 例如： Please ask for help if you have some problems. 如果你有問(wèn)題，請(qǐng)尋求幫助。（4）ask sb. for sth.“向某人要某物”。例如： If you dont find the way to the school, please ask a policeman for help. 如果你找不到去學(xué)校的路，請(qǐng)向警察求助11. give up give up意為“放棄”，其后應(yīng)跟名詞、代詞

17、或動(dòng)詞-ing形式。English is difficult. But Ill never give it up. 英語(yǔ)很難，但我不會(huì)放棄的。 You should really give up smoking. 你真的需要戒煙了。【拓展】give的相關(guān)短語(yǔ)：（1）give away意為“贈(zèng)送，分發(fā)”。例如： The old man gave away all his books to the school. 這位老人把他所有的書(shū)都捐贈(zèng)給那所學(xué)校。（2）give out意為“分發(fā)，用完”。例如：There were people at the entrance giving out leafl

18、ets. 有人在入口處散發(fā)傳單（3）give in意為“屈服，讓步”。例如：They say they wont give in to the workers demands. 他們說(shuō)他們不會(huì)向工人的要求讓步。（4）give off意為“放出，釋放”。例如：The flowers give off a heady scent at night. 這些花晚上散發(fā)出醉人的芳香。12. instead instead作副詞，意為“代替，而不是”，常用作狀語(yǔ)。例如：He is tired. Let me go instead. 他累了，讓我替他去吧。She never studies. Instead

19、, she plays tennis all day. 她從不學(xué)習(xí)，而是整天打網(wǎng)球。【拓展】instead和instead of的辨析：（1）instead是副詞，后面不接其他的詞，一般情況下可不譯出，通常放在句首或句末，在句首時(shí)常用逗號(hào)隔開(kāi)，表示前面的事沒(méi)做，而做了后面的事。例如：He didnt go to school. Instead, he went to the cinema. 他沒(méi)有去學(xué)校，相反他去了電影院。（2）instead of是介詞短語(yǔ)，意為“代替，而不是”，后面可以跟與前面并列成分相應(yīng)的名詞、代詞、動(dòng)詞-ing形式等作為介詞賓語(yǔ)。例如： He went to the c

20、inema instead of going to school. 他去了電影院而不是學(xué)校。13. build sb. up （1）build sb. up 是動(dòng)詞短語(yǔ)，意為“增強(qiáng)的體質(zhì)，使更強(qiáng)壯”。例如：Exercise can build you up. 鍛煉身體可以增強(qiáng)你的體質(zhì)。（2）build up 意為“增強(qiáng)、提高、建立”。例如：We can build up the speed gradually and safely. 我們可以逐漸穩(wěn)妥地提高速度。The new classmates had begun to build up some trust in one another.

21、 新同學(xué)們彼此之間開(kāi)始建立了些許信任?！就卣埂縮et up, put與build區(qū)別（1）set up意為“開(kāi)辦，建立”，強(qiáng)調(diào)機(jī)構(gòu)及相應(yīng)設(shè)施的建立，著重“開(kāi)始”或“首次”的含義，不強(qiáng)調(diào)施工建筑。 We set up a study group.我們創(chuàng)立了一個(gè)學(xué)習(xí)小組。（2）put up意為“搭建，搭起”，著重指建造或搭起一個(gè)具有一定高度的具體的物體。在口語(yǔ)中set up與build也有此意。 Its going to rain. Lets put up the tent. 天要下雨了，我們把帳篷搭起來(lái)吧。（3）build意為“建設(shè)，建立，建造”，是使用廣泛的非延續(xù)性動(dòng)詞，側(cè)重于施工建筑，常指建

22、造房屋、橋梁、道路、高樓等大型建筑物。 The workers are building railways.工人們?cè)谛藿ㄨF路。14. keep healthy （1）keep作動(dòng)詞，意思是“保持”，常見(jiàn)的結(jié)構(gòu)為keep+形容詞/動(dòng)詞-ing形式，意為“使某物保持某種狀態(tài)”。 例如： The cat keeps running after the rat, trying to catch it. 那只貓一直在追趕老鼠，想要抓住它。I need to keep fit. 我需要保持健康。Please keep quiet. 請(qǐng)保持安靜。（2）keep的后面還可以表示為keep sb. doing

23、sth.，表示“讓某人一直做某事”。例如： You keep me waiting for half an hour.你讓我等了半個(gè)小時(shí)。 （3）healthy是形容詞，意為“健康的”，“healthy food”意為“健康食品”。healthy的名詞為health, 副詞為healthily, 反義詞為unhealthy。例如：The old man looks healthy. 這個(gè)老人看起來(lái)很健康。 Healthy food is good for our health. 健康食品對(duì)我們的健康有益?！驹~匯精練】I. 根據(jù)句意及首字母提示補(bǔ)全單詞1. You looks p_ today.

24、 Are you sick?2. I caught a f_ and had to lie in bed.3. We can learn a lot on the I_.4. The box is too heavy. Can you help me l_ it?5. His illness was more s_ than the doctor first thought.6. Chocolate gives you e_. But eating too much is bad for your teeth.7. He wrote an a_ about Wang Xiaoya.8. Som

25、ething was wrong with his s_. He felt sick after meals.9. Fruit is good for our health. We like to eat w_ in summer.10. Many d_ are caused by smoking.11. H_ up, or well be late.12. Your father is examining a patient. Ill give him the m_ later.II.根據(jù)句意及漢語(yǔ)提示填空。1. Smoking is bad for our lungs. It may ca

26、use _ (癌癥).2.I want to _ (選擇) a nice gift for her as a birthday present.3.The burglar (盜賊) got in_ (從，通過(guò)) the window.4. Driving carelessly _(引起) accidents.5. Look! She is _ (掃) the room now.III. 用括號(hào)中所給單詞適當(dāng)形式填空。1.What do the two people in white clothes do?Oh, they are _ (dentist).2. Do you want a _ (

27、boil) egg for breakfast?3. Follow the dentists _ (advise), and youll get well soon.4. Take care of your_(tooth) or youll have a toothache.5. You have a fever, youd better _ (lie) down and have a rest.6. Were doctors, so its our _ (duty) to save patients.7. The road is _ (crowd). Mr. Wang drives his

28、car slowly.8. What causes the _ (ill)?9. Did they enjoy _ (they) in the party yesterday?10.Where is your mother, Beibei?She is busy _ (answer) the telephone.IV.用方框中所給詞的適當(dāng)形式填空，其中有兩項(xiàng)多余。cause， health， clean， reason， make， easy， beFrequent (頻繁的) hand cleaning is the most important thing you can do becau

29、se germs are one of the 1 for being ill. Its especially (尤其) important 2 your hands often during this time of year when germs 3 flu, colds and diarrhea (腹瀉) to spread (傳播) 4 by touching other people, furniture and equipment. Remember, clean hands can keep you 5 ， so clean them often!1._ 2._ 3._ 4._

30、5._ 【參考答案】I. 根據(jù)漢語(yǔ)提示完成下列句子。1. pale 2.fever/flu 3. Internet 4. lift 5. serious 6. energy 7.article 8. stomach 9. watermelon 10.diseases 11. Hurry 12. messageII.根據(jù)句意及漢語(yǔ)提示填空。1. cancer 2. choose 3. through 4. causes 5. sweeping/cleaningIII. 用括號(hào)中所給單詞適當(dāng)形式填空。1. dentists 2.boiled 3. advice 4.teeth 5. lie 6. duty 7. crowded 8. illness 9. themselves 10. answeringIV. 用方框中所給詞的適當(dāng)形式填空，其中有兩項(xiàng)多余。1. reasons 2. to clean 3. cause 4. easily 5. healthy