仁爱英语八年级下册unit7topic2（仁爱英语八年级上册unit2topic2sectionD）
Unit 2 Keeping Healthy
Topic 2 Is it good for your health?
一、重点词组:
1. look tired 看起来很累
2. watch a soccer game on TV 在电视上观看一场足球赛
3. stay up 熬夜
4. keep long fingernails 留长指甲
5. wash hands before meals 饭前洗手
6. play sports right after meals 饭后适当运动
7. take a fresh breath 呼吸新鲜空气
8. be necessary for… 对于……来说是必不可少的
9. keep you active 使你保持精力旺盛
10. in the daytime 在白天
11. throw litter about 乱扔垃圾
12. get enough sleep 得到足够的睡眠
13. exercise on an empty stomach 空腹锻炼
=without eating anything
14. need to do sth 需要做某事
15. get into 进入
16. become sick 生病
17. fight germs 抗击病菌
18. keep the air clean and fresh 保持空气清新
19. eat bad food 吃变质食物
20. sweep the floors 打扫地板
21. as we know 众所周知
22. have the right kinds of food 吃正确种类的（健康的）食品
23. choose the wrong food 选择错误的（不健康的）食品
24. in different ways 用不同的方法
25. make us sick 使我们生病
二、重点句型
1. I see. Staying up lateis bad for your health. 我明白了. 熬夜有害你的健康.
(动名词短语做主语)
2. How did Wang Jun get a headache? 王俊怎样患上头痛的？
2. Is going to bed early good orbad for your health? It’s good.
早点睡觉对你的健康有益还是有害? 有益. (选择问句要根据事实回答)
3. Walking is good exercise and it is necessary for good health.散步是很好的锻炼,是身体健康必不可少.
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.
5. You must not throw litter about.=Don’t throw litter about. 不要乱扔垃圾.
6. We may have more than one headache each month. 每月我们可能会不止一次头疼.
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.
8. What does it mean when you have a headache? 头痛对你来说意味着什么?
9. The boy becomes sick. 那个男孩生病了.
10. As we know, food gives us enery. 众所周知,食物给我们提供能量.
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.
三. 重点语言点
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.
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。
3. exercise 表 “锻炼/运动”时, 为不可数名词;
表 “练习”或有定语修饰时, 为可数名词.
如: He often takes/does exercise in the morning. 他经常上午锻炼.
Please do the exercises at once.请马上做这些练习.
He does morning exercises every day. 他每天做早操
. Walking is good exercise. 散步是很好的锻炼.
4. enough adj. “足够的”
修饰名词时, 既可放在名词之前, 也可放在名词之后.(但通常放在名词之前)
如: I have enough time/ time enough to finish this work. 我有足够的时间完成这项工作.
There is enough food in the fridge. 冰箱里有足够的食物.
adv. “足够地” 修饰形容词或副词时, 均放在所修饰词的后面.
如: He is tall enough to reach the apple. 他足够高,能够得着苹果.
He speaks clearly enough. 他讲得足够清楚.
5. need “需要, 必需”
① 作实义动词: need sth. 需要某物 need to do sth. 需要做某事
如: I need some help. 我需要一些帮助.
You need to see a doctor. 你需要去看医生.
He needs to take a bus. 他需要去搭车.
② 作情态动词: need + 动词原形
如: If she wants anything, she only need ask. 她想要什么东西, 只要开口就行了.
You needn’t finish this work today. 你不必今天完成这项工作.
6． too much + 不可数名词 表“太多的。。。”
much too + 形容词 表“太。。。”，much 起加强语气作用
如：Don’t eat too much meat. 不要吃太多的肉。
He is much too fat. 他实在太胖了。
四.重点语法
情态动词:
①must “必须, 一定” 如: We must study hard. 我们必须努力学习.
mustn’t “不可以” 如: You mustn’t walk on the lawn. 你不可以在草坪上行走.
②should “应该” 如: We should finish it on time. 我们应该按时完成它.
shouldn’t “不该” 如: You shouldn’t go to school late. 你不该上学迟到.
③had better “最好” 如：You had better go to bed early.你最好早睡。
had better not “最好不” 如：You had better not go to bed late.
你最好不要迟睡。
④may “可以” 如: May I come in? 我可以进来吗?
“可能” 如: You may get a headache when you work too hard.
当你工作太努力时,你可能会头疼.
