【备课精品】九年级英语（新）鲁教版下册 精品课件Unit8__SectionA（1a-2d）.pptVIP

Turn off the lights when you leave a room. 关掉 stop riding in cars stop using paper towels or napkins（餐巾，餐巾纸） recycle books and paper 回收利用 2d Read 2d and complete the chart. Problems Solving problems air pollution waste pollution wooden (木头的) chopsticks or plastic forks rubbish take the bus, subway or ride a bike instead of driving. bring a bag to go shopping. use chopsticks or forks at home. throw rubbish in the bins. Jason and Susan, what are your ideas for solving these problems? Yeah, or ride a bike. There are other advantages (优点) of bike riding. It’s good for health and it doesn’t cost (花费) anything! Well, to cut down air pollution, we should take the bus or subway instead of driving. Great ideas! What about waste pollution? Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外卖食品) food. I use the ones at home. Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. So together, our actions can make a difference and lead to a better future! This is turning beautiful places into ugly ones. turn… into… 把……变成…… e.g. The icy rain seemed like to turn into snow. 渐渐地冻雨又变成雪花的模样。 2. It’s good for health and it doesn’t cost anything! cost v. 花费；使付出 指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？ take, spend, pay cost take，spend，pay和cost都可以表示“花 费”，但它们的用法各有不同。 1) take多表示花费时间，常用于It takes sb. some time to do sth.这一句型中，其中it作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner. 2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news o