1、英语必修3人教版新课标 Unit2教案（01）Unit 2 healthy eating1. 教材分析 The emphasis of this period will be placed on reviewing the important new words, expressions and sentence patterns in the parts Warming up, Pre-reading, Reading and Comprehending. In order to make students grasp and use these important points thoro
2、ughly. 2. 学情分析Our Ss dont like even hate to memorize words and language points; however they are the fundamental of learning English. This class will help them to memorize language points by exercises. 3. 教学目标1.知识目标1). Get Ss to go over the useful new words and expressions in this unit. 2). Have Ss
3、review the new grammar item: modal verbs2.能力目标1). Develop Ss ability to use the important language points in this unit. 2). Enable Ss to learn to use modal verbs3. 情感目标1）Stimulate students sense to form a revision habit2) Develop students sense of cooperative learning4. 教学重点1. Get Ss to review and c
4、onsolidate what they have learned in this unit. 2. Develop Ss ability to solve problems. 5. 教学难点1. Get Ss to turn what they have learned into their ability. 6. 教学过程Step 1 Revision1. Check the homework exercises. 2. Dictate some useful new words and expressions in this unit. Step 2 考 点 串 串 讲重点单词1.bal
5、ance vt.平衡；权衡用法拓展balance n天平；平衡。常见含balance的短语有：(1)keep balance 保持平衡(2)lose balance 失去平衡(3)out of balance 失去平衡2limit vt.(与to连用)限制；限定n限制；限定；边界；界限用法拓展without limit无限地within limits适度地；有限度地a limit to.的限度go beyond/over the limit超过限度用法拓展limitation n限制；局限；缺陷limited adj.有限的limitless adj.无限的，无限制的3diet n&vi.日常
6、饮食；节食用法拓展go on a diet节食a vegetable/meat diet素/肉食diet oneself on vegetables吃素put sb. on a diet(医生)给某人规定饮食balanced diet均衡饮食mixed diet混合膳食易混辨析diet与fooddiet指的是习惯的食物或规定的食物，特指维持健康的定量或定质的食物。如：The doctor has ordered me a special diet.医生给我安排了特殊的饮食。food是一般的用语，凡能吃、能喝的具有营养的东西都称为food。如：We must have food to eat a
7、nd clothes to wear.我们必须得有食物吃，有衣服穿。4combine vi.&vt.(使)结合；(使)联合be combined with与结合着combine education with recreation寓教于乐combined adj.结合的，联合的combinable adj.可结合的，可联合的易混辨析combine，connect，join与unite这四个词都可以表示“联合，连接”的意思，但各有不同。combine意为“结合，联合”，指为了某一目的而把两事物结合在一起。如：We must combine theory with practice.我们必须把理论与
8、实践结合起来。connect意为“连接”，指用东西把两个事物连到一起，或两个事物直接相连，二者仍保持原状。如：He connected the gas stove with gas pipe.他把煤气管接在煤气炉上。join意为“连接”，指用线、绳、桥等把两个事物或两地连接起来，和connect意思相近，也可指两事物互相紧密相接。如：We had better join the island to the mainland with a steel bridge.我们最好建一座钢筋桥把这个岛与大陆连接起来。unite意为“联合”，指两种以上的事物结合为一体，有“合二为一”的意思，强调结合后的统
9、一性。如：The whole family united to help him.全家齐心协力帮助他。5prepare vt.准备；制作用法拓展prepare sb. sth.prepare.sth.for sb.给准备prepare for sth.为做准备prepare sb.for sth.使某人对某事有所准备be prepared for sth.(或to do sth.)(从思想上)为做好准备。in preparation for准备make preparations for为做准备6benefit n好处；益处用法拓展benefit vi.从获益，常和介词from或by连用；vt.
10、对有益；使受益。Please go to the country.I think the fresh air there will benefit you.请到乡下去，我认为那里新鲜的空气会对你有益的。7strength n力；力量；力气用法拓展at full strength全员；满额under/below strength不足额；未全部到场的in strength大量地；大批地on the strength of受的鼓励；由于的影响go from strength to strength不断壮大；越来越强易混辨析energy，power，force与strengthenergy指人的精力，
11、活力或自然界的能量。The task will take an enormous amount of time and energy.完成那项任务需要大量的时间和精力。power指做一件事所依靠的能力，也可指权力，权势，职权。Congress has power to declare war.国会有权宣战。force物的力；军事力量；武力。The force of the explosion broke all the windows.爆炸力把窗子都震碎了。strength人的体力；力气；物的强度。A washing machine is a saver of time and strengt
12、h.洗衣机是一种省时省力的机器。8consult vt.&vi.请教；向咨询；与人商量；查阅用法拓展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，与某人磋商重点短语1.in debt欠债用法拓展get/run into debt欠债get out of debt还债pay off ones debt偿清债务pay a debt to sb.还某人债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。用法拓展long before很
13、久以前ever after从此以后(用于一般过去时)ever since从此以后(用于现在完成时)易混辨析before long与long beforebefore long是“不久以后”的意思，可用于任何时态。如：At the time I had fully expected to find work before long.那个时候我还一心盼望不久就可找到工作。long before是“很久以前”的意思。单独使用，一般用在过去完成时的句子里。She said she had seen the film long before.她说她很久以前就看过这部电影。3have sb. doing
14、sth.I wont have you doing that kind of thing again.我决不允许你再做那样的事情。用法拓展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。4cut down砍倒(树木)；砍伐；削减；删节；使降价用法拓展cut down on减少的量cut in插嘴，插入cut of
15、f切断，砍掉；中断，隔断cut up切碎cut out剪下；戒除(坏习惯等)5earn ones living 谋生She earns her living as a writer.她靠写作维持生计。用法拓展make a/ones living谋生make a good living过优裕的生活living standards生活水平6tired of sb./sth. 对厌倦Im tired of your conversation.你的讲话我听腻了。(用get或grow表示过程)用法拓展be/get tired with/from因感到疲劳、劳累tire sb. out使某人疲劳不堪，筋疲
16、力尽tiring adj.令人疲劳的tireless adj.孜孜不倦的tiresome adj.令人厌烦的，烦人的7get 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。用法拓展get about走动；(消息等)传开get along with(与人)相处；(事情)进展get away from逃离get back返回；取回get down to doing sth.开始做某事，着手做某事get sb. down使某人沮丧或情绪低落
17、get in进入；收获；插话get off下车；脱下(衣服等)get on上车get on 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)；解决(问题等)get rid of摆脱，去掉get through通过，打通(电话)；干完(工作)，完成(任务)；度过(时间)；通过(考试)get together聚焦get up起床；起立Minicabs make it easier for people to get about.微型出租汽车使人们往来各处更为便利了。Did your son get along well with
18、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。Ive got through a lot of correspondence today.今天我处理了一大批信件。8lose weight减肥；体重减轻用法拓展lose ones way迷路be lost in全神贯注于；沉湎于lose an opportunity错过机会lose on
19、es train没赶上火车lose no time刻不容缓lose heart失去信心特别提醒lose weight的反义词组是put on weight“增加体重”。重点句式1.What could have happened?发生了什么事？用法拓展could have happened在此处表示对过去情况的一种推测。could表示可能性，常用于否定句或疑问句中，表示推测。Do you know where David is？I couldnt find him anywhere.你知道大卫在哪儿吗？我到处都找不到他。He couldnt have gone farhis coat is s
20、till here.他不可能走太远，他的外套还在这儿呢。注意(1)在肯定句中表示对过去情况的推测时，不用此结构，而是用must have done。如：It is wet outside on the ground.It must have rained last night.外面地上很湿，昨天晚上肯定下雨了。(2)could have done还有“本来能够做”的意思，表示实际并没有去做这件事，只是一种假设或者虚拟的语气。如：He paid for a seat when he could have entered for free.他本来可以免费进场，但是他还是买了票。2Why dont
21、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。Why give him so much money that day?那天为什么给他那么
22、多钱呢？Shall we go to the cinema this evening?我们今晚去看电影好吗？Why not？Lets start at 6.好啊，我们六点出发。3Wang 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
23、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 s
24、aw 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。4“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
25、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
26、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。5He could not have Yong Hui getting away with telling people lies!他可不能让雍慧哄骗人们后跑掉！用法拓展have作“使、让”解释时的句型归纳：have宾语v.ingge
27、t宾语v.ing听任某人/某物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His father had him studying the whole morning.一上午他父亲都让他在学习。I would have him wait for me at the gate of the park.我要他在公园门口等我。We had the machine repaired.我们请人把机器修好了。6But dont you think it would be better if you were a bit thinner?不过，难道你不
28、认为瘦一点更好吗？用法拓展表示与现在事实相反的假设时，条件状语从句中的谓语动词用“过去式(be的过去式用were)”，主句中的谓语动词用“would/should/could/might动词原形”。If he had time，he would attend the meeting.如果他有时间，他会参加会议的。表示与将来事实相反的假设时，条件状语从句中的谓语动词用“should动词原形/were to动词原形/过去式”，主句中的谓语动词用“would/should/could/might动词原形”。If it should/were to rain tomorrow，I would not
29、go there.万一明天下雨，我就不到那里去。表示与过去事实相反的假设时，条件状语从句中的谓语动词用“had动词过去分词”，主句中用“would/should/could/mighthave动词过去分词”。If you had taken my advice，you wouldnt have failed in the examination.如果你听从了我的劝告，你就不会考试不及格了。板书设计1. prepare sb. sth.prepare.sth.for sb.给准备2.be combined with与结合着3.before long与long before before long
30、是“不久以后”的意思，可用于任何时态。 long before是“很久以前”的意思。单独使用，一般用在过去完成时的句子里。4.have sb. doing sth. 用法拓展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5. make a/ones living谋生 earn ones living 谋生6.“nothing比较级”句式表达最高级意义。问题研讨（课堂提问，练习和作业设计）课堂提问：l In Unit1 we have learnt many festivals around the world.
31、Can you list them? Can you tell us what well eat in these festivals?l Every one has his favorite food. What about you? What food do you like best? Do you know whether you eat a healthy diet or not? 练习：短语回顾1.a balanced_平衡膳食 2_weight 体重减轻；减肥3_away with 被放过；(做坏事)不受惩罚4earn ones_ 谋生 5spy_ 暗中监视；侦查6_long 不久以后 7be tired_ 对厌倦、厌烦8_all 别忘了，毕竟 9win._ 赢回；重新获得10_a lie 说谎 11_debt 欠债12cut_ 削减；删节 13_on weight 增加体重14rather_ 而不 15_at 怒目而视练习Keys: 1diet2.lose3.get4.living5.on6.before7.of 8after9.back10.tell11.in12.down13.put 14than15.glare
