必修3Unit2-1(教师用)

知识梳理

1. diet n. 日常饮食 vt.& vi.节食,使实施饮食疗法

典句观察

No sugar in my coffee,please, I’m dieting.请不要给我的咖啡放糖,我在节食

Proper diet and exercise are both important to health.适当的饮食和锻炼对健康都很重要。

It is important to have a balanced, healthy diet.拥有均衡、健康的饮食很重要。

The doctor advised him to go on a diet to lose weight.医生建议他节食减肥。

The doctor put him on a diet after operation.手术之后,医生规定了他的饮食。

归纳总结:

be/go on a diet 节食

put sb. on a diet 控制某人饮食

a balanced diet 均衡饮食 能量;活力;精力;干劲

典句观察

It is important to conserve energy.节省能源很重要。

You are always full of energy. Can you tell me why?你总是精力充沛,能告诉我为什么吗?

归纳总结:

atomic/solar/nuclear energy 原子/太阳/核能

full of energy 精力充沛

辨析:energy power force strength

energy 能量,精力

power 职权,权利

force 武力,势力等

strength 体力,长处,强项

3. prepare vt. 准备,筹备 preparation n.

典句观察:

Please prepare the table for dinner. 把餐具摆好,准备吃饭。

He is preparing himself for the exam for Harvard.他正在准备哈佛大学的入学考试。

You must be well prepared for the worst.你必须为最坏的情况做好思想准备。

归纳总结:

prepare (sth.) to do/for sth.

prepare (oneself) for…

be/get prepared for/to do… n.天平;平衡;结余,余额vt.平衡,权衡

典句观察:

You have to balance the advantages of living in the countryside against the disadvantages.

你得权衡一下住在乡下的利弊。

I found it hard to keep my balance on the icy road.我发现在结冰的路面上走时很难保持身体平衡。

There is a nice balance between work and play in his life.生活中他很好地平衡了工作与玩的关系。

Athletes need a good sense of balance.运动员要有良好的平衡感。

归纳总结:

keep a balanced diet 保持饮食平衡

必修3Unit2-1(教师用)

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