人教版高中英语必修3精品教案Unit-2--Healthy-eating.doc

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1、Unit 2 Healthy eating单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析1. diet / food 2. offer / provide / supply 3. strength / power / force4. glare / stare / glance 词形变化1. health n. 健康healthy adj.健康的；有益健康的healthily adv. 健康地2. sugar n.糖 vt.在中加糖sugary adj. 甜的，含糖的；甜言蜜语的3. curiosity n. 好奇心curious adj. 好奇的curiously adv. 好

2、奇地4. weakness n.虚弱，衰弱，软弱；弱点，缺点weak adj.虚弱的；(能力等)差的；微弱的weaken v.(使)变弱，(使)减弱5. strength n. 力气；长处strengthen vt. 加强；巩固strong adj. 强壮的；牢固的6. digest vt.消化；吸收，领悟 n.文摘digestion n.消化(力)digestive adj.消化的，易消化的7. benefit v.& n. 有益于；得益于；利益，好处beneficial adj. 有益的重点单词 1. balance n. 天平，平衡；余额，余数 v. 平衡；权衡 2. curiosity

3、 n. 好奇心3. limit vt.&n. 限制；限定4. benefit vt. 有益于；vi. 得益于(常及from, by连用) n. 利益，好处；津贴5. combine vt.&vi. (使)联合；结合重点词组1. be tired of 对厌烦了2. ought to aux. 应当；应该(没有人称和数的变化，后接动词原形)3. lose weight体重减轻；减肥4. get away with偷携某物潜逃；受到（较轻的惩罚）或逃避惩罚5. tell a lie 说谎6. earn one s living谋生7. in debt 欠债8. before long 不久以后重点

4、句子1. Nothing could be better. 2. Something terrible must have happened if Maochang was not coming to eat with his as he always did.3. He couldn t have Yong Hui getting away with telling people lies.重点语法1情态动词的完成式的用法 2双重性情态动词的用法（见语法部分）语言要点（模块）.词语辨析 (旨在提供完形填空所需材料) 1. diet / food 【解释】diet 指通常吃的食物，尤指规定的食

5、谱如治疗疾病或减轻体重的食物，还可作动词“节食”。常用搭配：be/get/go on a diet 进行节食 put sb. on a diet限制某人的饮食food 指人或动物所需的食物；或植物所需的养料。【练习】根据句子意思用diet，food的适当形式填空。1). We cannot survive without _ and drink. 2). The doctor says I ve got to go on a _. 3). The doctor put me on a low-salt _ to reduce my blood pressure.Keys: 1). food 2

6、). diet 3). diet 2. offer / provide / supply【解释】offer“提出，提供，呈现”，表示向别人提供帮助，服务或物品。搭配：offer to do sth / offer sb sth /offer sth to sbprovide“供给，提供，装备，准备”，强调有预见，并通过储存或准备的方式为某事做准备，以在需要时提供所需物品。搭配：provide sb with sth / provide sth for sbsupply“供给，补充，弥补”，表示替换或不足所需之物以及弥补缺陷，满足要求的意思；也作名词，“供给(量)，物资，存货”。搭配：suppl

7、y sb with sth / supply sth for/to sb【练习】根据句子意思填介词或用offer，provide，supply的适当形式填空。1). The project is designed to _ young people _work. 2). He _ to lend me some books.3). He _ me 300 dollars _ that television.4). We _ power to the three nearby towns.Keys: 1). provide; with 2). offered 3). offered; for 4

8、). supply3. strength / power / force【解释】strength 用于身体指力气力量；用于物体指承受或抗拉的强度；也可指长处。 power用于人体、机械或风时指可应用的能量，也可指电力、权力和能力。force用于爆炸、风暴或打击时指释放的能量及其对物体的冲击力；也可指暴力。【练习】根据句子意思用strength，power，force的适当形式填空。1). I will do everything in my _ to help you. 2). We can use the _ of the wind to make electricity.3). He us

9、ed all his _ to lifted the heavy box.4). The soldiers took the prisoners away by _. Keys: 1). power 2). power 3). strength 4). force4. glare / stare / glance 【解释】glare at sb. 对某人怒视，怒目而视 stare at sb. (由于惊奇、害怕、生气或深思而睁大眼睛) 对某人凝视，盯着看 glance at sb. 对某人瞥一眼，粗略地看，浏览 【练习】根据句子意思用glare，stare，glance的适当形式填空。1).

10、She _ shyly at him and then lowered her eyes.2). The two boys _ at each other before they fought. 3). My father_ at the stranger for a long time as if they had known each other before.Keys: 1). glanced 2). glared 3). stared .词形变化（旨在提供语法填空所需材料）1. health n. 健康healthy adj.健康的；有益健康的healthily adv. 健康地2.

11、sugar n.糖 vt.在中加糖sugary adj. 甜的，含糖的；甜言蜜语的3. curiosity n. 好奇心curious adj. 好奇的curiously adv. 好奇地4. weakness n.虚弱，衰弱，软弱；弱点，缺点weak adj.虚弱的；(能力等)差的；微弱的weaken v.(使)变弱，(使)减弱5. strength n. 力气；长处strengthen vt. 加强；巩固strong adj. 强壮的；牢固的6. digest vt.消化；吸收，领悟 n.文摘digestion n.消化(力)digestive adj.消化的，易消化的7. benefit

12、 v.& n. 有益于；得益于；利益，好处beneficial adj. 有益的【练习】用括号内所提供词的适当形式填空。1). You look much _ (health) than before.2). The boy had burning _ (curious) about what was going on.3). The government decided to take some measures to _ (strength) the economy.4). Fresh air is _ (benefit) to one s health.5). Mike was the

13、_ (strength) boy in his class.6). It s that _ (sugar) smile of his that I can t bear - it makes me want to puke!7). It s important to know your own strengths and _ (weak).8). Vegetables are usually cooked to aid _ (digest).Keys: 1). healthier2). curiosity 3). strengthen4). beneficial 5). strongest 6

14、). sugary 7). weaknesses 8). digestion.重点词汇（旨在提供词汇综合运用材料） 1. balance n. 天平，平衡；余额，余数 v. 平衡；权衡 balanced adj. 均衡的典例 1). 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。2). 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）。3).

15、 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。重点用法 a balanced diet 均衡的饮食 keep the balance of nature保持生态平衡keep one s balance保持平衡 lose one s balance (= be out of balance) 失去平衡练习 用balance短语填空或翻译。1). He _ _ _ and hurt himself when he went upstairs. 2). It is di

16、fficult to for you to _ _ _ on an icy pavement.3). 我们必须权衡利弊才做出决定。_ Keys: 1). lost his balance 2). keep your balance 3). We must balance the advantages against the disadvantages before we decide.2. curiosity n. 好奇心 curious adj. 好奇的 curiously adv. 好奇地典例 1). Children have a natural curiosity about the

17、world around them. 小孩子对他们周围的世界有着天生的好奇心。2). I opened the packet just to satisfy my curiosity. 我打开包裹只是为了满足我的好奇心。重点用法 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. 好奇地做某事练习 用curiousity的短语或其适当形式填空。1). Margaret looked at him _ _. 2). She decided to t

18、ry a cigarette _ _ _.3). All the employees in this firm _ _ _ the personal life of the general manager.4). _ enough, he had never seen the little girl.3). _ drove Mary to open her husband s letter though she knew it was wrong.Keys: 1). with curiosity 2). out of curiosity 3). are curious about 4). Cu

19、riously 5). Curiosity 3. limit vt. 限制；限定 n. 界限；限度 limited adj. 有限的 limitless adj. 无限制的典例1). The speed limit on this road is 70 mph. 这条路的车速限制是每小时70英里。2). We must try and limit our expenditure. 我们必须设法限制我们的开支。3). There s a limit to how much I m prepared to spend. 我准备花多少钱是有限度的。短语归纳 limit短语：limit sb./sth

20、. to. 限制某人/某事到某种程度put a limit on. 对限制there is a limit to对是有限的without limit 无限地，无限制地练习 用limit的短语或其适当形式填空。1). Ones energy is _.2). _ _ _ _ (没有止境) what you can do if you try. 3). We must _ our weekly expenditure _ ten pounds.4). Only a _ number of places are available.Keys: 1). limited 2). There s no l

21、imit to 3). limit; to 4). limited4. benefit vt. 有益于 vi. 得益于（常及from, by连用） n. 利益，好处；津贴1). The rain benefits the plants. = The plants benefit from the rain. 这场雨有益于植物。2). This dictionary will be of great benefit to me. 这本字典将对我有很大的好处。3). He said he would starve rather than beg for food. 他说他宁愿挨饿也不要饭吃。4).

22、 The enemy is trying to starve us to death. 敌人正在企图饿死我们。重点用法be of great benefit to = be very beneficial to 对有益 for the benefit of = for sb s benefit为了的利益 benefit from 从中受益练习 用benefit或其短语的适当形式填空。1). The new highway will _ the villagers. 2). He will _ the new way of studying. 3). The warning sign was p

23、ut there _ the public.Keys: 1). benefit 2). benefit from 3). for the benefit of 5. combine vt.&vi. (使)联合；结合 combination n. 联合；结合 combined adj. 联合起来的典例1). We cant always combine work with pleasure. 我们并不总是能在工作中享受到乐趣。2). Circumstances have combined to ruin our plans for a holiday. 各种情况凑在一起破坏了我们的假日计划。短语

24、归纳 combine的短语：combine with sb./ sth. 及某人某物结合起来combine together联合起来combine A with/and B 使A及B联合起来练习 用combine的短语或其适当形式填空。 1) A _ of factors led to her decision to resign. 2) Success was achieved by the _ efforts of the whole team.3) As a writer, he _ wit _ passion.Keys: 1). combination 2). combined 3).

25、 combined; and/with .重点词组（旨在提供词汇综合运用材料）1. be tired of = be fed up with = be sick of 对厌烦了 典例 1). We are fired of hearing the old story. 这老话我们听厌了。2). I m tired of the same breakfast every day. 我厌倦了每天吃同样的早餐。短语归纳get/be tired of doing sth. 厌倦(做某事) get/be tired from doing sth 因而疲倦be tired out = be worn ou

26、t 非常疲倦练习 用tired短语的适当形式填空。1). My eyes _ _ _ reading in a poor light. 2). I _ _ _ watching television; let s go for a walk.3). I _ _ _. Can we stop for a rest?Keys: 1). were tired from 2). am tired of 3). am tired/worn out2. ought to aux. 应当；应该(没有人称和数的变化，后接动词原形)典例 1). They ought to come tomorrow. 他们明天

27、应当来。2). He thought that they ought to take part in the design. 他认为他们应当参加设计。3). He ought not to do it. / He oughtn t to do it.（否定形式）他不应该做这件事。4). Ought we to do it at once?（疑问式）我们应该马上做这件事吗？练习 按要求填空或翻译。1). He ought to be here, _ he? (反意疑问句)2). I m sorry. I _ (本应该先给你打个 ) to tell you 1 was coming3). I _

28、(本不该拜访) her, but I missed her so much. Keys: 1). shouldn t / oughtn t 2). should / ought to have phoned 3). shouldn t / ought not to have visited3. lose weight体重减轻；减肥典例 She is trying to lose weight. 她在努力减肥。短语归纳 weight短语及lose短语：put on weight（指人）增加体重，长胖be/take a weight/load off sb s mind使自己/某人如释重负lost

29、 heart 泄气；灰心lose one s heart (to sb/sth): fall in love 爱上；锺情於lose one s life 丧生；遇害lose one s balance 失去平衡lose one s breath气喘嘘嘘；上气不接下气lose one s head 昏了头，张皇失措，冲动lose one s temper发脾气lose one s job 失业lose one s way: become lost 迷路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los

30、e sight of sb/sth 看不见某人/物；忽略或未考虑某事物lose face 丢脸练习 用weight短语及lose短语的适当形式填空或填介词。1). He s _ _ _ since he gave up smoking. 2). Paying my mortgage was an enormous weight _ (介词) my mind! 3). I ve _ _ _ all my old friends.4). Don t _ _ _ - keep calm!Keys: 1). put on weight 2). off 3). lost touch with 4). l

31、ose your head4. get away with 偷携某物潜逃；受到（较轻的惩罚）或逃避惩罚典例 1) They raided the bank and got away with a lot of money. 他们抢劫银行, 掠走了大批现款。2) If you cheat in the exam youll never get away with it. 考试作弊必予追究。 3). Nobody gets away with insulting me like that. 这样侮辱我的人, 我是不会放过的.短语归纳 get词组：get down to 认真静下心（工作）get o

32、n well with 相处融洽；(工作的) 进展好get through 接通 ；办完；完成get up 起床；起身get down to 认真地静下心(工作)get over 克服，熬过，恢复练习 用get词组填空。1). To my surprise, the baby wolf _ _ _ the dogs and then managed to survive.2). She never arrives on time at the office, but she somehow managed to _ _ _ it.3). Well, stop chatting. It s ti

33、me we _ _ _ some serious work.4). The news was a terrible blow to her, but she will _ _ the shock soon.Keys: 1). got on well with 2). get away with 3). get down to 4). get over5. tell a lie = tell lies 说谎典例 It s not right to tell a lie. 撒谎是不对的。短语归纳 tell短语和习语：tell jokes/ a joke讲笑话tell (sb.) a story给某

34、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/know A and B apart 将A和B辨别开来you can never tell 谁也不知道there is no telling: it is impossible to know 不可能知道tell you what 我说 (用以提出建议) I told you (so) 我提醒过你要出事；我早就跟你说过练习 用tell词组填空。1). _ _ _ _, I fell asleep in the

35、middle and didn t know how the story ended.2). Can you _ Tom _ his twin brother?3). There s no _ (tell) what may happen. Keys: 1). To tell the truth 2). tell; from 3). telling 6. earn one s living = make ones/a living 谋生典例1). They began to eam their living when they were very young. 他们很年轻的时候，就开始谋生了。

36、2). I earn my living by teaching English in the middle schoo1. 我靠在中学教英语谋生。练习 根据句子意思及要求填空或翻译。 1). He had to _ _ _ by delivering newspaper in his youth.2). He earned his living _（介词）a fisherman.3). 这个小孩从10岁开始就自己谋生。_ Keys: 1). earn his living 2). as 3). This poor child began to make his living at the a

37、ge of ten.7. in debt 欠债典例 1). They are in heavy debt to the Bank of China. 他们欠中国银行很多钱。2). You saved my life: I am forever in your debt. 你救了我的命: 我永远感恩不尽。 短语归纳 debt短语和 “in + n.” 表示“在（情况、状况、状态）中”：get/run into debt 欠债；负责out of debt不欠债 run up huge debts高筑债台 pay off one s debts还清债务in danger 在危险中in trouble

38、陷入困境，倒霉in order 井井有条in surprise 吃惊in public 当众，公开in ruins 呈废墟状态in sight 看见in silence沉默着练习 根据句子意思用debt短语和 “in + n.” 结构填空。1). He _ _ _ after he was out of work. 2). He did all he could to _ _ _ _ in five years.3). He was _ _ when he was young, but has been _ _ _ since he got rich.4). James was _ _, bu

39、t I dont know how to help him out.5). After the war, the whole city was _ _.Keys: 1). ran/got into debt 2). pay off his debts 3). in debt; out of debt 4). in trouble 5). in ruins8. before long 不久以后典例 The dictionary will be published before long. 这本词典不久就要出版。重点用法long before 很久以前long ago 很久以前练习 根据句子意思填

40、空。 1). That happened _ _.2). I ve seen that film _ _.3). His plan seemed to be too difficult, but _ _ it proved to be practicable.Keys: 1). long ago 2). long before 3). before long .重点句子（旨在提供句子结构等所需材料）1. Nothing could be better. 没有什么比这更好的了。解释 此句中用比较级的否定形式表示最高级的含义。如：Nobody loves you more than I do. 没

41、有比我更爱你的人了。I ve never heard a more beautiful voice. 我从没有听过更动听的嗓子。练习 根据句子意思及要求填空或翻译。 1). 他从来没有看过一部更令人激动的电影了。_2). 没有什么比旅游更令人愉快。_ Keys: 1). He had never watched a more exciting movie. 2). Nothing is more pleasant than traveling.2. Something terrible must have happened if Maochang was not coming to eat w

42、ith 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