英語選修8 unit5 重點(diǎn)單詞

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1、 Unit5 1. identify vt. ~ sb. /sth. as sb./ sth.確認(rèn)，證明某人/某物系某人/某物 她認(rèn)出那個(gè)男子就是襲擊她的人。 The police are trying to identify the dead body. Scientists have identified the gene that causes abnormal growth. identification n. 鑒別；身份證明 identification card 身份證 identity n. 身份；特征 identical adj. 完

2、全相同的，一樣的 2. alternative adj. (作定語) 供選擇的，可代替的 We recommend using alternative sources of fuel such as charcoal(木炭). As there is less and less coal and oil, scientists are exploring new ways of making use of alternative energy, such as sunlight, wind and water for power and fuel. n. 可能的選擇；替代物 M

3、inibuses with seats for 12 passengers offer an alternative to expensive taxis and crowded public transport. I’m sorry, there’s no alternative but to sell the car. 別無選擇只好做…… have no alternative but to do = have no choice but to do = have nothing to do but do 除了放棄那個(gè)計(jì)劃，我別無選擇I have no alternative

4、 but to give up the plan. = I have no choice but to give up the plan. = I have nothing to do but give up the plan. 3. Review the words: starve; accurate 1)They got lost in the desert and _______(starve) to death. 2) She is starving _______ trying to lose weight. 3) By the year 2025, no one wil

5、l die of ___________(starve) because there will be food for everyone. 4) He is getting back this afternoon, to be ______(accurate), at four o’clock. 5) It’s impossible to predict the weather ___________(accurate). 6) __________(accurate) is most important in translation. 4. Interrupt ①vt. vi.

6、打斷(講話或講話人),打擾 I wish you wouldn’t interrupt me all the time. Sorry to interrupt you, but I have something urgent to tell you. ②vt. 使…暫時(shí)停止；中斷 The war interrupted the trade between the two countries. My studies were interrupted by the Cultural Revolution. Will you stop ____________(interrupt) me

7、 when I’m talking? He burst into the room, ___________ my teaching. 5. acute adj. ① 敏銳的;聰明的，機(jī)敏的 Dogs have an acute sense of smell. His hearing is so ______ that he can even hear a pin drop. ②劇烈的； 強(qiáng)烈的acute pain acute embarrassment There is an acute shortage of water and food. ③急性的 SA

8、RS stands for severe acute respiratory syndrome. acute pneumonia 急性肺炎 6. assume vt. 假定; (想當(dāng)然地)認(rèn)為 I didn’t see your car, so I assumed you’d gone out. I assumed she was American but she was actually Canadian. Let’s just assume the statement to be true. It’s generally assumed that stress is cau

9、sed by too much work. assuming分詞可以充當(dāng)連詞使用=supposing 或 suppose 意為 “假如；假設(shè)” Assuming it rains tomorrow, what shall we do? Assuming we have won a lottery, how shall we use the money? We reserved a big table on the assumption that fifteen people would come. We can’t just make an assumption but must g

10、et the accurate evidence. The assumed enemy sometimes will disturb your life. 7. regardless of 不管；不顧 We strongly advocate equal treatment for all, regardless of race, religion, or sex. All our proposals were rejected regardless of their merits. This special school accepts all disabled stu

11、dents, ___ educational level and background. A. according to B. regardless of C. in addition D.in terms of　 Joe is a good basketball player ________ being short and fat. __________ ups and downs, she never takes her fate lying down.　 8. Review “at (the) most; at least” You could buy a good wash

12、ing machine for about $350, $400 ______(至多). ________________(最高) the temperature in summer goes up to about 38℃. It will take you _________ (至少) 20 minutes to get there. He had been dead for _________(至少) a fortnight. It would cost $1 million _______________ (最起碼). 9. 用合適的副詞或介詞填空： 1) The gas

13、has been cut ______ due to the quake. 2) You have to cut _____ on the time surfing the internet. 3) Davis cut _____ to ask if anyone would like a drink. 4) You can cut _____ the last sentence of the paragraph. 5) I feel very cut _____ if I didn’t know what was happening in the world. 6) Cut __

14、___ the meat and carrots and then mix them. 10.用括號內(nèi)單詞的適當(dāng)形式補(bǔ)充句子。 I felt a _____(sharp) pain in my back. Prices have risen _______(sharp) over the last few months. ________(sharp) all your pencils before the test. Time is ______(ripe) for a reform. The tomatoes quickly _______(ripe) in the hot w

15、eather. They are trying to ___(wide) the discussion to include environmental issues. 11. mess n 雜亂；混亂； vt. 弄臟；弄亂 messy adj. 凌亂的；臟的 The room was ____________because the thief turned it upside down. I feel I’ve made ________ of things. It took me ages to get this right —I don’t want anyone to m

16、ess it ____again. It doesn’t matter if you mess it _____, you can always try again. Sorry the place is so _______, I haven’t had time to clear up. 12. analyse/analyze vt. 分析 analysis—plur. analyses n. 分析 analytical adj. 分析的；用分析方法的 analyze 1)People do not ________ every problem they meet.

17、2)The experts are doing ________ of the samples. 3) Would you make/carry out/conduct ______of the current situations in our country? 4) The earliest computer was called an __________ machine. 13. significance n. 意義；意思；重要性 significant adj. 重要的；相當(dāng)數(shù)量的 For a very long time, people always have been t

18、rying to find out the significance of life. The speaker gave us a talk of great ___________. In a sense, they are spending a ____________ amount of time in fruitless efforts as they do many things at the same time. Health problems can be _____________ reduced by careful diet. 14. somehow 以…方式；不

19、知怎么 莫名其妙地 anyhow=anyway 無論如何；不管怎樣 somewhat 有點(diǎn)兒；有幾分；稍微 Somehow the right chance never seemed to present itself. I didn’t mean to cheat, but it was still cheating anyhow. Anyway(總之), doing what you love is wonderful. Everything seemed to be all right, yet he felt strange and so

20、mewhat uneasy. 15. be fed up with… 厭倦的,厭煩的 I am really fed up with the bad weather. I got fed up with my job listening to the customers’ complaints. You look fed up— what’s the matter? He was tired ___ the urban life and hoped to move to the country, expecting a change in his current life styl

21、e. He tired the audience ____ his long speeches. Andy was bored _____ listening to the same words every day. 16. applaud vt. ① 向...鼓掌;向..喝彩The audience applauded the singer for three minutes. All people present applauded her success. ②稱贊;贊賞 We applauded him for his courage. I applaud your d

22、ecision.③vi. 鼓掌歡迎;喝彩 Everyone applauded when the play ended. As I left the stage, there was only some quiet applause([u]掌聲). 17. look ahead 向前看,考慮到將來 We must look ahead before we make a decision. —You can expect to find a multi-storey building on this site. —Of course, I’m looking ahead f

23、ive years when I tell you this. Everyone should look ahead and save a little money each year for when he retires. Look _____, and you’ll have a brighter future. I’ve looked _______ all my papers but I still can’t find the article. I like to look _____ my high-school days. We should not look do

24、wn ________ disabled people. The students all look up ___ the old teacher. Look _____! There’s a car coming. The police are looking _____ the records of all those involved in the crime. 18. accelerate vt.& vi.使增速, 加快 The driver stepped on the gas and accelerated the car. The car suddenly acc

25、elerated. Fertilizer will accelerate the growth of these tomato plants. 19. arrest vt. 逮捕;拘留; 吸引 A man has been arrested and is being questioned now. He was arrested for breaking into the bank. The title of the essay arrested my attention. Anything but the class can arrest your attention. n

26、. [u] 逮捕 ； [c] 逮捕的人 Don’t move! You are under arrest. In winter, the number of arrests generally decreases. 20. date back to…= date from… 追溯到…… The building dates back to the 19th century. Most of the Great Wall dates from the Ming Dynasty. My interest in stamp collecting dates from my schooldays. This old tradition dates back several centuries to the 1600s. Our family has an antique _______ back to the Tang Dynasty. dating 5