新课标人教版 高一英语必修三 Unit2 学案(教师版)

Unit 2 Healthy eating 单元要点

一、词语辨析

1. diet / food

diet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。

1). We cannot survive without food and drink.

2). The doctor says I’ ve got to go on a diet.

2. offer / provide / supply

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 sb

provide“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 sb

supply“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 sth for/to sb

1). The project is designed to provide young people __ with _work.

2). He offered to lend me some books.

3). We supply power to the three nearby towns.

3. strength / power / force

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。

1). We can use the power of the wind to make electricity.

2). He used all his strength to lifted the heavy box.

3). The soldiers took the prisoners away by force.

4. glare / stare / glance

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

1). She glanced shyly at him and then lowered her eyes.

2). The two boys glared at each other before they fought.

3). My father stared at the stranger for a long time as if they had known each other before.

二、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 ________ (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).

1. healthier

2. curiosity

3. strengthen

4. beneficial

5. strongest

6.sugary

7.weaknesses

8. digestion

三、重点词汇

1. balance n. 天平，平衡；余额，余数v. 平衡；权衡balanced adj. 均衡的

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

1). He lost his balance and hurt himself when he went upstairs. （失去平衡）

2). It is difficult to for you to keep your balance on an icy pavement.（保持平衡）

3). 我们必须权衡利弊才做出决定。

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

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

1). Margaret looked at him with curiosity. （好奇地）

2). She decided to try a cigarette out of curiosity .（出于好奇）

3). All the employees in this firm are curious about the personal life of the general manager.

（对……好奇）

3. limit vt. 限制；限定n. 界限；限度limited adj. 有限的limitless adj. 无限制的