人教版八年级英语上册《How often do you exercise?》SectionB PPT课件，共46页。
课前自主预习
单词闯关
1. body n. __________ → 复数形式__________
2．健康；人的身体(或精神)状态n.________ → healthy adj. ________
3. 写v. ________→ writer n. ________
4．消失；灭亡；死亡v. ________→ 过去式________ → 现在分词 ________
短语互译
1. 想要某人做某事______________
2．对……有好处____________
3．玩电脑游戏__________________
4．去野营____________
5．多于____________
6. 少于____________
7．去看牙医____________
8．go online ____________
9．such as __________________
10．start doing sth. ____________
句型在线
1. 她说那有利于我的健康。
She says it's ________ ________ my health.
2．我们发现，我们的学生中只有百分之十五每天锻炼。
We found that only ________ ________ ________ our students exercise every day.
3．还有百分之二十根本就不锻炼！
And twenty percent do not exercise _______ _______！
课堂互动探究
词汇点睛
1 health n. 健康；人的身体(或精神)状态
[观察] Smoking is not good for your health.
吸烟对你的健康没有好处。
Don't worry. My grandfather is in good health.
别担心，我爷爷身体很健康。
She is in poor health. She should take more exercise.
她身体状况不好。她应该多锻炼。
It's good to keep healthy through exercise.
通过锻炼来保持健康是好的。
You'd better not eat unhealthy food.
你最好不要吃不健康的食物。
Eat healthily and live well.
健康饮食，健康生活。
2 percent n. 百分之……
[观察] We found that only fifteen percent of our students exercise every day.我们发现，我们的学生中只有百分之十五每天锻炼。
Eighty percent of the money is his.80%的钱是他的。
[探究] percent也可以写作per cent，其符号为%。它常与介词________连用，谓语动词的形式由其所修饰的名词或代词来决定。
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