人教版八年级英语上册Unit 2How often do you exercise?s ection B 2a-2e第4课时课件

人教版八年级英语上册Unit 2How often do you exercise?s ection B 2a-2e第4课时课件（该课件内含音频文件）（该课件包含单词语句听力）

It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. 上网或看游戏类节目是很好的放松方式，但我们认为最好的方式是通过锻炼来放松。
It’s +adj.+to do sth. 意为“做某事是……的”。it是形式主语，真正的主语是后面的动词不定式。
e.g. It’s dangerous to swim in the river.  在河里游泳是危险的。
        It’s very important to learn English well. 学好英语很重要。