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1、Book Three Unit 2 单词学案I. useful words and phrases:1. diet You are too fat, so you should diet and keep fit. 你太胖了， 应该节食保持体形。Proper diet and exercise are both important for health. 正确的饮食和锻炼对健康很重要。go/ be on a diet 节食 a balanced diet 均衡的饮食2. curiosity n. 好奇心 from/ out of curiosity 出于好奇 adj. curious 好奇的
2、curiously adv. The boy was curious about everything he saw. 这个男孩对他看到的东西很好奇。Im curious to know what is written in the letter. 我好奇地想知道这封信中写了什么。It is curious that he failed the test. 他考试未过， 真是奇怪。3.get away with (做坏事)不受惩罚 / 带着。逃走了The child ought to be punished. You shouldnt let him get away with telling
3、 lies.He has got away with a large quantity of jewelry.4. discount n.v. 打折 adj. discounted 打折的 discounted goods We give 10 percent discount for cash. 现金付款，我们给与九折优惠。The store discounts all the goods at 5%. 这个商店把全部商品打九五折。at a discount 打折 I bought the TV at a 40% discount. 我以六折买了那台电视。5. in debt /out of
4、 debt 欠债/ 不欠债 ran/get into debt 负债 pay for /off the debt 还债/ 还清债务6. They glared at each other for a moment and didnt say a word. 他们怒目而视了一会儿没有说一句话。If you stare at someone, you look at them for a long time. 盯着某人看就是长时间的注视着某个人。7. They have cut down all the trees in the last few years. 在过去几年里 他们砍到了所有的树。I
5、n this way they cut down the fat and increased the fibre in the meal.用这种方式他们在食物中减少了脂肪，增加了纤维。He cut up the meat on his plate before eating it. 在吃盘子里的肉前，他切成了小块。Youd better cut out the last paragraph of your composition. 你最好删掉作文的最后的一段。She always cuts in when other people are talking. 当别人谈话时，她总是插嘴。8. Do
6、nt give the baby meat to eat, because it is hard for him to digest.He read rapidly but did not digest anything. 他读得很快但没有读懂.9.They have got/been tired of doing such things. 老做这样的事情, 他们已很厌烦.Im very tired from running as fast as I could. 我因为跑得太快而很 累.II. Important words and phrases:1. balance v. n. 平衡Jo
7、hn lost his balance and fell from the ladder.keep /lose ones balance 保持平衡/ 失去平衡 keep the balance of nature 保持生态平衡He can balance a ball on his finger. 他能把球稳放在手指上。A balance diet contains lots of fruit and green vegetables.均衡的饮食包括大量的水果和绿色蔬菜。2. lie Im sorry I lied to you. 对不起我向你撒了谎。Why did you tell me a
8、 lie? 为什么你对我撒谎？a white lie 无恶意的谎言 a liar 一个说谎者He was lying on the bed with all his clothes on. 他穿着衣服躺在床上。lie on ones back/side/stomach 仰卧/侧卧/俯卧The village lies to the north of the city. 这个村庄位于这个城市的北方.The town lay in ruins after the earthquake. 地震后这个镇已是一片废墟.Their failure lies in their carelessness. 他
9、们的失败在于他们的粗心. 归纳: lie-lied-lied-lying 撒谎 lie-lay-lain-lying 躺, 位于 laylaidlaid-laying 放置, 产卵3.limit The policeman asked the driver to limit his speed to below 40 miles an hour. 警察要求司机把速度限制在低于一小时四十英里的范围内.Ill help as much as I can , but theres a limit/there are limits to what I can do to you. 我将尽可能提供帮助,
10、但是我能为你做的是有限的.Theres no limit to the childrens imagination. 孩子们的想象力是无限的.As we grow older, we learn the limits of our abilities. 随着年龄的增加,我们知道能力是有限的.As they had limited experience, they failed to finish the task ahead of time. 由于他们的经验有限,他们未能提前完成工作.4. benefit Your advice was of great benefit to me. 你的建议
11、对我有很大的好处.They raised money for the benefit of the poor. 他们为了穷人捐钱.Your medicine benefited me much.=I benefited much from/by your medicine.你的药对我大有益处.5. consult v. consultant n. 顾问Before going on a diet, it is wise to consult your doctor about/on it. 在节食前, 最好向医生咨询.Consult the timetable and find out whe
12、n the last train leaves. 查一下时间表, 弄清楚末班火车什么时候离开.6. strength n.力气，体力; 优点，长处 strengthen v. 加强，巩固It will be some time before I recover my full strength. 需要一段时间我才能恢复我全部的体力。The ability to keep calm is one of her many strengths. 保持冷静是她的多项长处之一。the strengths and weaknesses of an argument 一个论点的长处和短处We want to
13、 strengthen our ties with them. 我们想加强与他们的关系。III. 巩固练习:1. We did this _(为了) the society.2. _ (请查阅字典) if you dont know the meaning of the word.3.我能支付起的钱是有限的.4. I decided to _(节食) before my holiday.5. _(出于好奇), he opened the letter.6. He has tried his best to _his debt but still hasnt _it_yet.7.这场雨将使庄稼受益.8. If you make them perform better, you must know their_(长处和短处)学科网（北京）股份有限公司