外研版 (新标准)九年级上册Unit 1 If everyone starts to do something, the world will be saved.教案配套ppt课件

这是一份外研版 (新标准)九年级上册Unit 1 If everyone starts to do something, the world will be saved.教案配套ppt课件，共13页。
ur beautiful wrld
Air Pllutin
Rubbish pllutin
Glass pllutin
White pllutin
Nise pllutin
Light pllutin
Water pllutin
Sil pllutin
Heavy metal pllutin
What shuld we d t prtect the envirnment?
Discussin
1. Turn lights ff.2. Cllect cans and paper, sell them fr recycling.3. Try ur best t save energy.4. Ride a bike t schl.5. Use bth sides f the paper.6. Shuldn’t thrw litter away everywhere.
1. List the pllutin prblems in yur place. 2. Chse ne prblem and say what shuld be dne abut it.
Hw can we save the Earth ?
Wrk in pairs
Language pints
It’s n use ding sth.
做某事没用 / 只是白费力气在这个句型中， 动词-ing形式是主语，it 是形式主语。
这种动词-ing作主语， it 作形式主语的句型还有：1. It is n gd ding sth. 做某事不好 / 没用 / 不行2. It’s a waste f time / mney ding sth. 做某事是白费时间 / 金钱3. It’s fun ding sth. 做某事很有趣例如：1. It is n use crying ver spilt milk. 覆水难收。（谚语）2. It’s great fun playing glf. 打高尔夫球很有意思。