2.　　 disease　 通常指具体的病, 表 “特定的疾病、病名”

illness　 通常指生病的状态或表抽象的疾病

如： Germs can cause diseases.　 细菌会引发疾病。

SARS is a serious disease.　 非典是一种严重的疾病。

Don’t worry about his illness.　 别担心他的病。

1.　 be good for…　 对……有益　

be bad for…　　 对……有害

如:　 Swimming is good for health.　　 游泳对健康有益.

　　 Reading in strong sunlight is bad for the eyes.　 在强烈的阳光下看书对眼睛有害.

11.　 If we eat too little or too much food, or if we choose the wrong food, it can make us sick.

如果我们吃得太少或太多, 或者食物的选择不当会生病的.

10.　 As we know, food gives us enery. 众所周知,食物给我们提供能量.

9.　　 The boy becomes sick.　 那个男孩生病了.

8.　　 What does it mean when you have a headache? 头痛对你来说意味着什么?

7.　　 You may get a headache when you can’t get enough sleep.当你睡眠不足时,可能会头疼.

6.　　 We may have more than one headache each month. 每月我们可能会不止一次头疼.

5.　　 You must not throw litter about. = Don’t throw litter about. 不要乱扔垃圾.

4.　　 It will keep you active in the daytime. 它(早睡早起)将使你在白天保持旺盛的精力.