人教版必修三unit2学案.docVIP

Unit 2 Healthy eating单元复习学案重点词汇1. diet n&vi.日常饮食；节食The Chinese diet is considered to be the healthiest in the world.中国的饮食被认为是世界上最健康的饮食。People who are on a diet mustnt have chocolate. 正在节食的人不能吃巧克力。用法拓展 go on a diet节食 a balanced diet均衡饮食2. balance n. 天平，平衡；余额，余数 v. 平衡；权衡 balanced adj. 均衡的 Try to achieve a better balance between work and play. 争取把工作和娱乐更好地结合起来。 I must check my bank balance (= find out how much money I have in my account). 我要核对一下我在银行的余额（看我的帐户上有多少钱）。 Try to balance your diet by eating more fruit and less protein. 多吃些水果, 少摄入些蛋白质, 使饮食均衡合理。用法拓展 a balanced diet 均衡的饮食keep ones balance 保持平衡lose ones balance 失去平衡 out of balance 失去平衡3. curiosity n. 好奇心 curious adj. 好奇的 curiously adv. 好奇地Children have a natural curiosity about the world around them. 小孩子对他们周围的世界有着天生的好奇心。用法拓展 out of curiosity 出于好奇with curiosity = curiously好奇地 be curious about sth. 对某事好奇 be curious to do sth. 好奇地做某事4. strengthn. U力量，体力 C长处，强项 vt. strengthen 加强 adj strong 强壮的翻译：Each of us has our own strengths and weaknesses.5. consult vt.&vi.请教；向咨询；与人商量；查阅 consult a dictionary 查词典consult sb./sth. about sth.关于某事请教某人；查阅(资料)consult with sb.与某人商量，与某人磋商翻译：I suggest you consult your doctor about your stomachache.6. limit vt. 限制；限定 n. 界限；限度 limitation n限制；局限；缺陷limited adj. 有限的 limitless adj. 无限制的用法拓展 without limit 无限地，无限制地limit sb./sth. to. 限制某人/某事到某种程度there is a limit to对是有限的Our holidays are limited to two weeks. 我们的假期被限制在两个星期。The speed limit is the fastest speed you are allowed to drive a car at. 限速是允许驾车的最快速度。There is a limit to how much Im prepared to spend. 我准备花多少钱是有限度的。7. benefit vt. 有益于 vi. 得益于（常与from, by连用） n. 利益，好处；beneficial adj 有益的The new railway will be a great benefit to the people living here.新建的铁路将给住在这里的人带来好处。I want to buy the dictionary because it is of much benefit to me.我想买这本字典，因为对我大有益处。The rain benefits the plants. = The plants benefit from the rain. 这场雨有益于植物。用法拓展 be of no benefit =be not beneficial 对 没益be of great benefit to = be very beneficial to 对有益 benefit sb 对某人有益for the benefit of = for sb s benefit为了的利益 benefit from 从中受益8. combine vt.&vi. (使)联合；结合 combination n. 联合；结合 combined adj. 联合起来的 We cant always combine work with pleasure. 我们并不总是能在工作中享受到乐趣。用法拓展 combine with sb./ sth. 与某人某物结合起来combine A with/and B 使A与B联合起来重点短语1. in debt 欠债 “in + n.” 表示“在（情况、状况、状态）中” This young couple is always in debt because they never consider their incomes before buying something.这对年轻夫妇总是负债，因为他们在买东西时从不考虑自己的收入。He has a lot of old debts to meet. 他有许多旧债要偿付。用法拓展out of debt不欠债 pay off one s debts还清债务 in danger 在危险中 in order 井井有条 in surprise 吃惊 in trouble陷入困境，倒霉in public 当众，公开 in ruins 呈废墟状态 in sight 看见 2before long不久以后It looks as if it will rain before long. 看起来一会儿就要下雨了。His plan seemed to be too difficult，but before long it proved to be practical.他的计划看起来太困难，但是没多久就被证明是很实用。用法拓展 long before很久以前 ever since从此以后(用于现在完成时)3cut down砍倒(树木)；削减；He cut down a tree with an axe. 他用斧头把树砍倒。用法拓展cut down on减少的量 cut in插嘴，插入 cut across打断; 抄近路穿过; 遮断;cut off切断，砍掉；中断，隔断 cut up切碎 cut out剪下；戒除(坏习惯等)4earn ones living 谋生Everyone has to try to earn his living when he grows up. 每个人长大后都得自食其力。His father earns a living by driving. 他父亲靠开车谋生。用法拓展 make a/ones living谋生 living standards生活水平5 be tired of = be fed up with = be sick of=be bored with 对厌烦了 I grow tired of asking this, so itll be the last time. 我已厌烦了问这个问题，所以这是最后一次。Students will get tired of listening to so much explanation of grammatical rules in class.课堂上语法规则讲得太多，学生们会感到厌倦的。用法拓展get/be tired of doing sth. 厌倦(做某事) get/be tired from doing sth 因而疲倦6get away with(不用被动语态)不因某事受惩罚；偷携某物潜逃；受到(较轻的惩罚)If you cheat in the exam youll never get away with it. 考试作弊必予追究。For such a serious offence he was lucky to get away with a fine.他犯了那么严重的过失，却侥幸只交罚款了事。用法拓展get away from逃离 get down to doing sth.开始/着手做某事 get sb. down使某人沮丧或情绪低落get in收获； get on/along with进步，进展；相处 get out of摆脱，从中出来get over从(疾病、失望等)中恢复过来；克服(困难)；get through通过，打通(电话)；完成(任务)；度过(时间)；通过(考试)get together聚集 get rid of摆脱，去掉 get up起床；起立 get on上车get off下车；脱下(衣服等)Did your son get along well with other kids? 你的儿子与其他同学相处和睦吗？You must get down to your studies this year. 你今年要好好学习。I think the problem can be got over without too much difficulty. 我认为问题不太难解决。7lose weight减肥；体重减轻 loselostlost-lossWhy dont you give up sweets to lose weight? 你为什么不放弃吃甜食来减少体重？用法拓展lose ones way迷路 put on weight（指人）增加体重，长胖 lost heart 泄气；灰心lose one s heart (to sb/sth): fall in love 爱上；锺情於 lose one s job 失业lose one s breath气喘嘘嘘；上气不接下气lose one s temper发脾气 lose touch (with sb/sth) 失去和某人/事物的联系lose interest in sth/sb 对某事物/人失去兴趣lose sight of sb/sth 看不见某人/物；忽略或未考虑某事物 lose face 丢脸be lost in全神贯注于；沉湎于 lose no time刻不容缓 It is so easy to lose ones way in the woods. 在森林里很容易迷失方向。He is lost in reading a book. 他沉迷于读书中。You mustnt lose heart, sooner or later your work will succeed.你一定不要失去信心，你的工作迟早会成功的。8. ought to aux. 应当；应该(没有人称和数的变化，后接动词原形)They ought to come tomorrow. 他们明天应当来。 He thought that they ought to take part in the design. 他认为他们应当参加设计。 He ought not to do it. / He ought n t to do it. （否定形式）他不应该做这件事。 Ought we to do it at once? （疑问式）我们应该马上做这件事吗？9. tell a lie = tell lies 说谎 It s not right to tell a lie. 撒谎是不对的。用法拓展 tell jokes/ a joke讲笑话tell (sb.) a story给某人讲故事 to tell (you) the truth 说实话(用以引出自白或承认的话tell A from B: distinguish A from B 辨认A和B；辨别tell A and B apart 将A和B辨别开来重点句式1. Something terrible must have happened if Maochang was not coming to eat with his as he always did. 要是李昌不像往常那样到他店里吃饭，那问题一定严重了。解释 情态动词 + have done1). 情态动词must +have done只用于肯定句中，表示对过去发生的事情或状态进行肯定的推测，意为“过去一定做过某事”。It must have rained last night, for the road is wet. 昨天晚上一定是下雨了，因为路还湿着。 You must have seen the film the Gold Rush. 你肯定看过电影淘金热。2). 情态动词cancould可用于否定句中，即can t have done couldn t have done，表示对过去发生的事情或状态的肯定的推测，意为“过去不可能做过，肯定没做过”。My sister met him at the theatre last night, so he couldn t have attended your lecture. 我姐姐昨天晚上在电影院遇见了他，所以他肯定没参加你的演讲3). 此外，cancould have done还可用于疑问句中表示对过去发生的事情或状态的不太有把握的推测，常表示“过去可能做过吗?”(注意：表推测的情态动词只有cancould常用于疑问句中)I can t find Tom anywhere in the office building. Where can he have gone? 我在办公楼任何地方都找不到汤姆。他有可能去了哪里了呢？4). 情态动词maymight +have done表示对已发生的动作或存在的状态进行不肯定的推测，might语气稍弱一点儿，只能用于肯定句和否定句中，表示“过去可能做过某事或过去可能没做过某事”。You might have read about it in the papers. 你可能在报上已经看过这个消息了。练习 用括号中所给词的适当形式填空。1). 一Where _ Margaret _ the empty bottles (can; put)?一She _ them away. They must be somewhere (can; throw). 2). 一Hurry up, Michael! It s ten to three. Goodness me! The class _ (must; begin). I ll be late again. Keys: 1). can; have put can t/ couldn t have thrown 2). must have begun2Why dont you sit down and try a meal? 你为什么不坐下来吃顿饭呢？用法拓展 Why dont you.？Why not do.? 为什么不？常用来提出建议。Why dont you/Why not give her another chance? 为什么不再给她次机会呢？Why dont you/Why not ask the teacher for help? 为什么不向老师寻求帮助呢？用法拓展 Why do.？为什么呢？常用来提出责难或表示不同意。Why not？为什么不？在简略回答中表示同意。If you cant work out the problem this time，_another method?Awhy not to try Bwhy not try Cwhy dont try Dwhy not trying答案：B3Wang Peng sat in his empty restaurant feeling very frustrated.王鹏坐在他那空荡荡的餐馆里，感到十分沮丧。用法拓展feeling very frustrated是现在分词短语作伴随状语。分词作状语的基本原则：(1)分词作状语时，分词的逻辑主语必须与句子的主语保持一致。(2)分词作状语必须和句中主语含有逻辑上的主谓或动宾关系，否则不能用分词作状语。He sat at the table reading China Daily. 他坐在桌子旁边看中国日报。Laughing and talking, they went into the room. 他们有说有笑地走进房间。用法拓展单个分词或分词短语作状语时，可以表示时间、原因、结果、条件、让步、行为方式、伴随状况等。表示时间关系的分词短语有时可以由连词when或者while引出。一般来说，如果分词所表示的动作与主句谓语动作(几乎)同时发生，或发生于主句谓语动词之后，通常用分词的一般式；如果分词所表示的动作发生于主句谓语动词之前，通常用分词的完成式。Looking out of the window, I saw some students playing there.从窗户望出去，我看见几个学生在那儿玩。She asked me to help her, realizing that she couldnt move the heavy suitcase alone.她请我帮忙，因为她意识到她一个人搬不动那个沉重的衣箱。 Given more time, we could have done it better.如果多给我们些时间，我们会做得更好。He came running back to tell me the news. 他跑回来告诉我这个消息。European football is played in 80 countries, making it the most popular sport in the world.八十个国家踢的都是欧式足球，这使得它成为世界上最普及的一项体育运动。We often provide our children with toys, footballs or basketballs, _that all children like these things. AthinkingBthink Cto think Dthought 答案：A_ for several times, Linda made up her mind not _ for school.ABeing scolded; late BTo have been scolded; being lateCTo be scolded; be late DHaving been scolded; to be late 答案：D4“Nothing could be better，”he thought.他想，“再没有比这些更好吃的了”。用法拓展 “nothing比较级”句式表达最高级意义。I like nothing better.(Its the best thing I like.) 这是我最喜欢的东西。用法拓展 用比较级表示最高级意义的常见句型有：(1)比较级thanany other单数名词/any of the other复数名词/any of the others/anyone else/anybody else/anything else/all the others/all the other复数名词(2)No other单数名词/No one/None/Nobody比较级than.(3)主语否定式谓语(含not或never)比较级He studies harder than any other student in our class. 他是班里学习最用功的学生。No other student in the class is taller than he. 他是班里最高的同学。It cant be worse.(Its the worst thing Ive ever known.) 这是(我知道的)最糟糕的事情。What do you think of the boys painting?Ive never seen a person with _ sense of art.Athe betterBa better Ca good Dthe bestHe works _ than all the other students in his class.Aharder Bthe harder Chardest Dthe hardest 答案：BA5. He couldnt have Yong Hui getting away with telling people lies. 他不能容忍永慧撒谎而逍遥法外。have sth. done请人做某事；遭受 have sb. do sth.让某人做某事 have sth. to do有事情要做have sb./sth. doing sth. 使某人或某物一直做某事couldnt have sb./sth. doing sth. 决不容忍某人或某物总是干某事have宾语动词原形get宾语to do让某人做某事have宾语v.edget宾语v.ed请别人做某事1). I had him waiting at the gate from eight o clock this morning till now. 我让他从早上八点一直在门外等候到现在。2). I ll have him finish my work. 我将让他替我把工作完成。3). I had my hair cut. 我请人把我的头发理了。4). The woman had her handbag robbed yesterday. 昨天，这个妇女的手提包被抢了。5)When Marys brother was riding a bike in the street，he had his arm hurt.玛丽的弟弟在街上骑车时胳膊受了伤。6)Tom broke the school rules and the teacher had him stand outside the classroom.汤姆违反了学校的规章制度，老师让他站在教室外面。7)Can you go to watch the football match with me tonight? 今天晚上你和我一起去看足球赛好吗？Sorry，but I have an important meeting to attend. 对不起，我有个重要的会议要参加。 练习 用括号中所给词的适当形式填空。1). To my despair, the doctor _ me _ in the room for the whole afternoon(have;wait). 2). I _ my watch _ because it didnt work (have; repair). 3). I can t _ him _ noise all the time (have, make).4). Yesterday Mum _ Tim _ his room since it was in a mess. (have, tidy)5). The woman _ her handbag _ yesterday. (have; rob)Keys: 1). had; waiting 2). had; repaired 3). have making 4). had; tidy 5). had; robbed单词拓展1._n饮食_vt.节食2_n平衡_vt.权衡；平衡_adj.平衡的3_n好奇心_adj.好奇的_adv.好奇地4_n强项_adj.强壮的_adv.强壮地_vt.加强5_n缺点_adj.虚弱的_adv