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1、高一英语必修三导学案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curiou
2、sly 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 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.
3、curiosity n. 好奇心3. limit vt.&n. 限制；限定4. benefit vt. 有益于；vi. 得益于(常与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 lo
4、ng 不久以后重点句子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
5、食物，尤指规定的食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.2. offe
6、r / 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：supply sb with sth / supply s
7、th 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.3. 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
8、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 used all his _ to lifted the heavy box.4). The soldiers took the prisoners away by _. 4.
9、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). 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
10、long time as if they had known each other before. .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. 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. stren
11、gth 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【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 gover
12、nment decided to take some measures to _ (strength) the economy.4). Fresh air is _ (benefit) to one s health.5). Mike was the _ (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).
13、 Vegetables are usually cooked to aid _ (digest).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
14、上有多少钱）。3). 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 difficult to for you to _ _ _ on an icy pavement.3). 我们必须权衡利弊才做出决定。_ 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 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 s
