人教版 必修三 Unit 2 Healthy eating重点词汇 短语与句型 教案

1、Unit2 Healthy eating 适用学科 高中英语适用年级 高中一年级 适用区域 人教新课标版课时时长 （分钟） 课时2 知识点operate, consider, discount, glare, balance, 重点词汇: diet, offer, serve, combine, tired, hurry, frustrate, limit : cut down, in debt, earn one's living重点短语: 重点句型 ter 1. nothing could be bet ？Why don't you do.2. have sb. doing

2、 sth. 3. 教学目标and important useful new words to Get students learn and grasp the expressions in this part: 教学重点and new words grasp Enable students to the usages of such important expressions 教学难点Get students to understand some difficult and long sentences. 教学过程 一、复习预习 检查上节课课后作业；1. 语言知识运用诊断2. Unit1I a

3、m afraid that my boss is not satisfied with my work. (1) _ Nobody's saying you're not good at your job.Take it easy! B AIt doesn't matter. Go ahead. CForget it! D不要紧张。没”“我担心老板对我的工作不满意。考查交际用语。句意：解析：选B Take it ”没关系，通常是对方道歉时的应答用语。有人说你的工作没干好。”It doesn't matter.“常用于否决别人的建议。，算了吧”！”“放松；不要紧张

4、，通常用于安慰别人。Forget it“！easy ，常用于同意某人的建议或请求。”Go ahead.“开始吧d better _ early to avoid the (2)As the road to the airport is under reconstruction, we'traffic jam. 页 1 第Apay off Bset off put off Dtake off C解析：选B 考查动词短语辨析。句意：因为通向机场的道路正在重建中，我们最好早点出发以避免交通堵塞。set off意为“出发”，符合题意。pay off意为“还清；成功”；put off意为“推迟”

5、；take off意为“起飞；脱下”。故选B。 (3)_ not to miss the flight at 15：20, the manager set out for the airport in a hurry. AReminding BReminded CTo remind DHaving reminded 解析：选B 考查非谓语动词作状语。句意：有人提醒经理不要错过15：20的航班，他匆忙出发去了机场。句子主语the manager与remind为逻辑上的被动关系，故排除A、C、D三项，因为这三项表主动，只有B项表被动。非谓语动词作状语，其逻辑主语要和句子主语保持一致。 (4)May

6、 I tell this to my close friend? No, you _.Never let anybody else know about it. Aneedn't Bshouldn't DCmustn't can't 解析：选C 由“决不可以让其他任何人知道”可知选C，mustn't表示“不允许；不可以”，语气强烈。 (5)How will she behave in case of our failure? She'll put the blame on us if it _ badly. Aturns up Bturns do

7、wn Cturns off Dturns out 解析：选D 考查动词短语辨析。句意：“万一我们失败了，她会怎样呢？”“如果结果很糟糕的话，她会把责任推到我们身上。”turn out“结果(是)；原来(是)”，符合句意。turn up“开大；出现”；turn down“关小；拒绝”；turn off“关掉”。 (6)In China, it is a traditional _ to show respect to ancestors during the Qingming Festival. Abelief Bcustom Cstrength Dprinciple 解析：选B 考查名词辨析。

8、belief“信任；信心；信仰”；custom“习惯；风俗”；strength“强项；长处；力量”；principle“法则；原则；原理”。根据句意选B。 (7)It remains to be seen _ the new president can relieve the fear _ more and more workers will be laid off. Awhether; that Bhow; why 页 2 第Cwhat; that Dwhether; how 解析：选A 考查名词性从句。句意：新任总统是否能减轻人们对越来越多的人将会失业的恐慌还有待观察。根据句意并分析句子成

9、分可知，it为形式主语，第一空引导的主语从句是句子的真正主语，根据句意可知，应选whether；第二空引导的从句作the fear的同位语，且空处在同位语从句中不充当成分，故选that。 (8)I _ a lawyer about the agreement this morning, and he gave me some advice. Aawarded Badmired DCreminded consulted 解析：选D 考查动词辨析。award“授予；判定”；admire“赞美；钦佩；羡慕”；remind“提醒；使想起”；consult“咨询；请教；商量”。根据句意选D。 (9)We

10、 enjoyed the flowers in the park, and had _ great fun yesterday. Great. But it's _great pity that I didn't join you. A/; / Ba; / /; a Da; a C解析：选C 句意：“昨天我们在公园里欣赏了花并且玩得很愉快。”“太好了。不过遗憾的是我没有加入你们。”have fun意为“玩得高兴”；It's a great pity that .意为“很可惜”。 (10)The building project _ next year is not ea

11、sy _ in time. Abeing carried out; to complete Bcarried out; to be completed Cto be carried out; to complete Dto be carried out; to be completed 解析：选C 考查非谓语动词作定语和状语。句意：明年将要实施的大楼工程要想按时完成并不容易。第一空为不定式的被动式作定语表示被动、将来；第二空为不定式作状语，用主动表示被动。 二、课堂导入 由谚语开始说起“An apple a day keeps the doctor away.” What kind of fo

12、od should people eat in order to keep healthy? Do you know that the food you eat helps you grow in different ways? 1. Food to provide energy energy-giving food 2. Food to grow bones and muscles body-building food 3. Food to give fibre for digestion 页 3 第 protective food What are energy-providing foo

13、ds? Carbohydrates (碳水化合物) and fats are the key energy-providing nutrients. e.g. flour-based food, chocolate, butter, cream, oils, nuts Get to know more energy- providing foods? noodles spaghetti cream butter chestnut walnut hazelnut Almond Pistachio nut peanut What are body-building foods? Proteins

14、are the key body-building nutrients. Including：meat, eggs, cheese, seafood, milk, beancurd, etc. Get to know more body-building foods? sea cucumber crab lobster shrimp seaweed salmon Meat: 猪肉 pork 牛肉 beef 羊肉mutton What are protective foods? Vitamins, fibres and minerals are the key protective nutrie

15、nts, which are mainly found in all the fruit and vegetables. Vitamins give us clear skin, strong bones and healthy blood. As they pass through the gut, fibres make solid waste bulky and soft so it is easy to get rid of. Small, regular amount of minerals help to keep our body working efficiently. Get

16、 to know more protective foods? kiwifruit apricot durian mangosteen starfruit capsicum cauliflower spinach daikon radish 三、知识讲解 知识点 1 重点词汇 balance 重点例句： What will happen to you if you don't eat a balanced diet？ 1) (n.) 页 4 第 (1) U平衡 lose/keep one's balance be off balance sense of balance (2)

17、 U, sing平衡;均衡 Pesticides seriously upset the balance of nature. (3) C天平，秤 Weigh it on the balance. (4) C usu sing 收支差额，余额 My bank balance isn't good. 2) (v.) (1) (vt./vi.) （使)保持平衡 How long can you balance on one foot? Balancing my cup of coffee in one hand, I managed to open the door. (2) (vt.)

18、结算 to balance an account 【点拨】 balance n. & v. 平衡 keep the balance 保持平衡 lose one's balance 失去平衡 out of balance 失去平衡 in the balance 不能确定的，尚未决定的 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。 She cycled too fast round the corner，lost her balance and fell off她拐弯时骑得太快，失去平衡摔

19、倒了。 【拓展】balance the income and expense使收支平衡 balance A against B 权衡重要性 a balanced diet一种平衡的饮食 upset (upset, upset, upsetting) 重点例句： I don't want to upset you, but I found your menu so limited that I stopped worrying and started advertising the benefits of my food. (1) (adj.)不快的，心烦意乱的，烦恼的be upset

20、(with sb.) (by/about/at sth.) 页 5 第 She was really upset about the way her father treated her. (2) (vt.) (upset, upset) 弄翻；使心烦意乱 Don't do anything that would upset him. He upset a bowl of soup. benefit 重点例句： I don't want to upset you, but I found your menu so limited that I stopped worrying

21、and started advertising the benefits of my food. (1) (vt.)有益于sth. benefit sb. These facilities have benefited the whole town. (2) (vi.)受益，得到好处sb. benefit from sth. He hasn't benefited from the experience. (3) (n.)好处，益处，帮助be of benefit to =be beneficial to The new regulations will be of great ben

22、efit (=be highly beneficial) to us all. for the benefit of =for the benefit of sb. The money is to be used for the benefit of the poor. diet 【原句回放】Everybody has to eat，but do you eat a healthy diet? (P9)每个人都必须吃饭，但是你吃得健康吗? 【点拨】diet n.饮食，节食 be/go on a diet在节食 diet sb. put sb. on a diet限制某人的饮食 dietary

23、n. 规定饮食(法) dietetic adj. 饮食的 The doctor says I've got to go on a diet医生说我必须节食。 The doctor has dieted the patient strictly医生严格规定病人的饮食。 【拓展】a balanced diet 一份平衡饮食 put sb. on a diet 使某人节食 diet drinks 低热量饮料 offer 页 6 第【原句回放】What special food of your place would you offer them? (P9)你要给他们提供当地的什么特色食品?

24、【点拨】offer (1) v.提供，出价，提议 offer sb. sth. offer sth. to sb. 向某人提供某物 offer to do提议做 (2) n.出价，提议 an offer of 100 出价100英镑 The company offered the job to someone else公司把这项工作给别人了。 We accepted his offer我们接受了他的提议。 serve 【原句回放】At the library Wang Peng was surprised to find that his restaurant served far too m

25、uch fat and Yong Hui's far too little在图书馆，王鹏吃惊地发现。他餐馆的食物脂肪含量太高，而雍慧餐馆的食物脂肪含量又太少。 【点拨】serve v.服务(役)，任(职)；提供(饭菜) serve sb. 招待某人；为某人服务 serve as a driver当司机(指职业) serve the dinner提供饭菜 Have all the guests been served(with) food and drink? 给所有的客人都上了饭菜饮品了吗? We serve coffee in the shop我们店有咖啡奉客。 【拓展】serve

26、sb. with sth. 相当于serve sth. to sb. 拿出某物款待某人；供给某人某物 serve . as. discount 【原句回放】Perhaps with a discount and a new sign he could win his customers back(P10)也许打点折、写个新的标牌，能够赢回他的顾客。 【点拨】discount n. & v.折扣，打折；将打折扣；不全相信，漠视，低估 They were selling everything at a discount他们销售的所有商品都打折。 You can discount what

27、Jack said：he's a dreadful liar杰克说的话你不必当真，他可是个说谎大王。 In his plans，he discounted the expense 页 7 第【拓展】at a discount 打折扣，减价 get/give/offer a discount得到/给予/提供折扣 glare 【原句回放】She did not look happy but glared at him雍慧瞪着他，看上去不太高兴。 【点拨】 glare vi.发出刺目的强光；n.眩目的光 glaring adj. 耀眼的 glare at 怒视 The sun glared

28、down on the ice强烈的光照射在冰上。 He had to wear sunglasses because of the glare of the sun为阳光耀眼，他只好戴墨镜。 They stopped arguing and glared at each other他们停止了争论，怒视着对方。 【拓展】易混辨析 glare at怒视 stare at注视，盯着看 glance at瞥一眼 consider 【原句回放】So when I consider the food，the cars and the jobs(P52)所以，当我考虑食品、汽车以及工作的时候 【点拨】co

29、nsider v.认为，考虑 consider sb. as. 把某人看作 consider sb. /sth. (to be)+n. /adj. 认为某人/某物 consider(doing) sth. 考虑(做)某事 We consider this (to be) very important我们认为这非常重要。 We are considering going to Canada我们正考虑到加拿大去。 【拓展】consideration n.考虑 under consideration 考虑中 take sth. into consideration(=consider sth.)考虑

30、某事 considerate adj.考虑周到的 considerable adj.相当的，重要的，可观的 It was considerate of you not to play the piano while I was asleep在我睡觉时你不弹钢琴，真是体贴入微。 页 8 第 operateits operate in workers' unions to AmericaMcDonald's does not allow 【原句回放】In restaurants在美国，麦当劳不允许餐馆有工会运转 运转；操作；做手术【点拨】operate v. 这台机器日夜运转。 T

31、his machine operates night and day 开机器 operate a machine 经营一家工厂 operate a factory 给某人做手术operate on sb. =do an operation on sb 手术台 operating tableoperating system操作系统 【拓展】combine 也许我们应该把我们的想法结合起Perhaps we ought to combine our ideas(P15)【原句回放】 来 结合使)使)联合；(【点拨】combine v. ( 结合成一体 combine with sth同 B合成一体

32、B使A和 combine A and B合并A和 B组合同 combine A with B A氢和氧结合成水。 Hydrogen and oxygen combineto form water. Hydrogen combines with oxygen Combine the eggs with a little flour and heat the mixture gently 把鸡蛋和少量面粉混合在一起轻轻加热。 tired 【原句回放】Tired of all that fat? (P10)肥腻的东西吃厌了吗? 【点拨】tired adj. 疲惫的，厌倦的 I'm tired

33、 of his silly questions我厌倦了他那些愚蠢的问题。 He got tired from reading他看书看累了。 be/get tired of对感到厌倦 be/get tired from doing因做而疲劳 be/get tired with sth因而疲劳 【拓展】tiring adj.令人疲惫的 tiresome adj. 令人厌倦的 tire sb. out 使某人精疲力竭 页 9 第hurry 【原句回放】Suddenly he saw his friend Li Chang hurrying by突然间，他看到他的朋友李昌匆匆地走过。 n. 匆忙 hu

34、rry 【点拨】 v. hurry up赶快hurry sb. /sth. up 使某人某事物加快速度快速行动 hurry to a place匆忙去某地hurry by从旁边匆匆经过 hurry off匆匆离开 Don't hurry; there's plenty of time别着急，时间还有很多。 I wish the train would hurry up and come我希望列车快点到来。 【拓展】in a hurry(hurriedly，quickly)迅速地，急忙地 be in a hurry to do sth. (be eager to do sth)急

35、于做某事 be in no hurry to do sth不急于做某事；不愿意做某事 He was in a hurry to leave他急匆匆地离开了。 frustrate 【原句回放】Wang Peng sat in his empty restaurant feeling very frustrated王鹏坐在空荡荡的餐馆里，感到十分沮丧。 【点拨】frustrate vt. 挫败，使沮丧 frustrate sb. 使某人受挫败；扰乱/阻挠某人 sb. be frustrated by. 某人因而灰心/沮丧 The terrible weather frustrated our ho

36、pes of going out恶劣的天气使我们外出的愿望无法实现。 He was frustrated by repeated failures他因一再失败而灰心丧气。 【拓展】frustrated adj. 灰心丧气的，沮丧的 frustrating adj. 使人讨厌的；使人灰心的 limit 【原句回放】. but I found your menu so limited that I stopped worrying and started advertising the benefits of my food但我发现你的菜单上的菜如此有限，我就不担心了，并且开始为我的食物的益处做宣

37、传了。 【点拨】limit v.限制，限定 页 10 第 limit. to. 把限制在/到 n.限度 set a limit to/on sth设定对某事的限度 the limit of one's patience某人忍耐的限度 within limits适度地；有限度地 without limits无限地 go/beyond/over the limit超过限度 There' s a limit to how much I'm prepared to spend我准备花多少钱是有限度的。 I shall limit myself to three aspects

38、of the subject我仅探讨这一问题的三个方面。 limited adj.有限的，不多的 The amount of money we have is limited我们的钱有限。 We had only limited communion with the natives我们与当地人的交往很有限。 【拓展】set a limit to/on.对规定限度 limit . to. 把限定在范围之内 without limit 查过限度 beyond the limit 超过限度 within limits 适度地；有限度地 知识点 2 重点短语 1. cut down 【原句回放】In

39、this way they cut down the fat and increased the fibre in the meal这样，他们减少了饭菜中的脂肪含量，增加了纤维素。 【点拨】 cut down 砍伐cut down a tree砍倒一棵树 削减，降低cut down one's expenses削减某人的开支 【易混辨析】 cut up切碎，割碎，使伤心 cut down砍倒，减少 cut in打断(谈话)，插嘴 cut out(=stop functioning)不再起作用，停止运转 cut off切断；使隔绝 One of the aircraft's en

40、gines cut out飞机的一个发动机失灵了。 页 11 第 The army was cut off from its base那支部队与基地失去了联系。 2. in debt 【原句回放】He did not look forward to being in debt(P14)他不希望负债 【点拨】 in debt负债 It's much easier to get into debt than to get out of debt借债容易还债难。 【拓展】get/run into debt负债，借债 out of debt不欠债 pay off the debt还清债务 be

41、 in sb. 's debt/in debt to sb欠某人的债，受某人的恩惠 3. earn one's living 【原句回放】Perhaps he would be able to earn his living after all(P14)也许他仍然能够谋生 【点拨】earn one's living谋生，度日 = make one's living He left his office job to try to make a living on the land他辞去了办公室的工作，努力以务农为生。 【拓展】“谋生，度日”的表示方法： earn

42、 one's bread make the pot boil keep the pot boiling earn one's respect 赢得某人的尊敬 earn one's confidence 赢得某人的自信 知识点 3 重点句型 1. nothing could be better 【原句回放】“Nothing could be better”he thought.他想：“再没有比这更好吃的了” 【点拨】(1)形容词的最高级与否定代词nothing连用，表达最高级含义。有此用法的常用否定词有no，not，never，hardly，nobody，nothing等

43、。 (2)表示最高级意义的几种特殊结构： can/couldnot/neverbeenough/too形容词/副词 never比较级 nothing/noso原级as. nothing/no比较级than. 页 12 第 单数名词any other?anyone else sall the other ? 比较级than 复数名词 otherall the?复数名词 any of the other?复数名词或不可数名词the rest of any other book.?all the other books. The book has a greater effect on me tha

44、n这本书对我影响最大。?any of the other books. 【拓展】There's nothing better than a hot shower in the morning. (1) 没有什么比早晨洗个热水澡更好的了。(2)Nothing gives me more pleasure than listening to Mozart. 再没有比听莫扎特的乐曲更让我高兴的事了。 ？2. Why don't you do. 你为什么不坐下来吃顿饭呢？【原句回放】Why don't you sit down and try a meal? 常用来表示委婉地提

45、出建”？Why don't you do.Why not do.？“为什么不【点拨】 议。 用在简略回答中，表示同意甚至非常赞同。为什么不？”Why not？“(1)Why not make your own Christmas cards instead of buying them? 为什么不自己做圣诞卡而要去买呢？ Let's go to the cinema.咱们去看电影吧。(2) Why not ？好哇。 (3) Why not come and join us? 为什么不加入到我们当中来呢？ 表示责备、不赞成。“ why +动词原形”【拓展】 为什么要跟他吵架呢？W

46、hy quarrel with him? have sb. doing sth. 3.他可不能让He could not have Yong Hui getting away with telling people lies! (P10)【原句回放】! 雍慧哄骗人们却不受惩罚 have 为使役动词。【点拨】have sb. doing sth. 让某人出于某种状态之中， I won't have you smoking at this age. have sth. to do 与【辨析】have sb./sth. doing; have sb. do sth.; have sth. d

47、one这一动作持续进行或doing 中宾语与宾语补足语之间是主谓关系，强调have sb./sth. doing ”。使某人或某物处于某种状态“ 页 13 第 The workers have that machine running all day. 工人们让那台机器整天运转。 have sb. do sth.中宾语与宾语补足语是逻辑上的主谓关系，强调这一具体的动作。 I had him go out to see what was happening outside? 我让他出去看看外面发生了什么事？ have sth. done 中宾语与宾语补足语是逻辑上的动宾关系，表示“让别人做某事”

48、 He had his bad tooth pulled out yesterday. 他昨天找人拔了那颗坏牙。 have sth. to do中to do 为不定式短语作后置定语。 I'm busy now, for I have a lot of papers to type. 我现在很忙，因为我有很多文件要打。 四、例题精析 【例题1】Knowledge and learning are important if we want to be successful, but they may also _our thinking. Adirect Blimit DCchange i

49、mprove B 【答案】选考查动词词义辨析。句意：如果我们想成功，学识很重要，但是它们也可能会限【解析】 ；improve“改善；改进”。”制我们的思维。direct“指导；管理；limit“限制”；change“改变 【例题2】Why do you choose to work in an international travel agency?Well, you know, English is my _. So it is my best choice. talent BAstrength skill Dability CA 【答案】选噢，你知道，英”“你为什么选择在国际旅行社工作？【

50、解析】考查名词词义辨析。句意：能才能ability“”；”strength“语是我的强项。因此这是我的最佳选择。强项；长处”talent“天资； ”技能；擅长力；力量”；skill“China has been pushing the reform of public hospitals _ all its citizens. 3【例题】for the purpose of AB in charge of for the benefit of D in honor of C 选D 【答案】中国一直在推进公立医院的改革。句意：【解析】考查介词短语辨析。为了所有市民的利益，为了；照料主管；in c

51、harge of“负责；”for the purpose of“为in honor of“”起见；为了向 for the benefit of“；”表示敬意为了的利益”If you just spend time _ advantages and disadvantages, you may get nothing in 【例题4】the end. balancing B Amatching 页 14 第Cobserving Dexamining 【答案】选B 【解析】balance advantages and disadvantages意为“权衡利弊” 【例题5】Many young pe

52、ople would like to have an expensive wedding even if they have to borrow a lot of money and be heavily _ after that. Ain trouble Bin surprise Din debt Cin love D【答案】选之后债许多年轻人喜欢举行豪华的婚礼，即使他们不得不为此借一大笔钱，句意：【解析】 in debt “欠债台高筑。Adopting the doctor's advice, he _ coffee and cigarettes and ate a balance

53、d 6】【例题diet. broke down B Acut down put down Cturned down D A【答案】选cut 【解析】考查动词短语辨析。句意：他采纳了医生的建议，少喝咖啡少抽烟并均衡饮食。put 调低”；down“出故障；垮掉”down“削减，符合句意。break down“”；turn 拒绝；把 。写下；记下down“” 【例题7】Mr. Stevenson is great to work for I really couldn't ask for a _ boss. good BAbetter still better Cbest D A【答案】选 “Mr. .考查比较级用法。【解析】“can't/couldn't 比较级”表示最高级含义。根据前半句我真的找不到可知，Stevenson is great to work for ” Stevenson 是一个