2020人教版英语九年级下册Unit13-We're-trying-to-save-the-earth精品教学课件-Section-A-(1a-2d)

1、学练优九年级英语下（学练优九年级英语下（RJRJ） 教学课件教学课件 Section A (1a-2d) Unit 13 Were trying to save the earth! 学习目标学习目标 Key words 在在中中 扮演角色扮演角色 e.g. A good diet plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着健康的饮食在帮助人们长寿方面起着 非常大的作用。非常大的作用。 He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演

2、出。他被邀请参加这个电视剧的演出。 4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river. litter和和rubbish都可指都可指“垃圾垃圾”，用作不可，用作不可 数名词。数名词。 rubbish指指“没用的东西没用的东西(被扔或将要丢弃的被扔或将要丢弃的 无用的东西无用的东西)”且不可回收。且不可回收。 litter指指“(室内或公共场所室内或公共场所)乱扔的废物乱扔的废物(纸屑、纸屑、 不要的包装纸、废瓶等不要的包装纸、废瓶等)”还可

3、回收。还可回收。 e.g. Throw the rubbish out. 把垃圾扔出去。把垃圾扔出去。 The room is full of rubbish. 房间里堆满了垃圾。房间里堆满了垃圾。 Pick up your litter after a picnic. 野餐后将废弃物收拾好。野餐后将废弃物收拾好。 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollut

4、ion D. water pollution 2b Listen again and complete the sentences. 1. The air is badly polluted because there are _ on the road these days. 2. Factories that burn coal also _ the air with a lot of black smoke. more cars pollute 3. There is also too much rubbish and waste. People _ things every day.

5、4. People are also littering in _ like parks. This is turning beautiful places into ugly (丑陋的丑陋的) ones. are throwing away public places Use the information in 2a and 2b to role-play conversations between Jason and Susan. 2c The air has become really polluted around here. Im getting very worried. Yes

6、, I used to be able to see stars in the sky. The problem is that What should we do to save the earth? 1. Turn off the lights when we leave a room. 关掉关掉 2. stop riding in cars 3. stop using paper towels or napkins（餐巾，（餐巾， 餐巾纸）餐巾纸） 4. recycle books and paper 回收利用回收利用 5. . 2dRead 2d and complete the ch

7、art. ProblemsSolving problems air pollution waste pollution rubbish take the bus, subway or ride a bike instead of driving bring a bag to go shopping, never take wooden chopsticks or plastic forks but use the ones at home while buying takeway food throw rubbish in the bins Jason and Susan, what are

8、your ideas for solving these problems? Language points 1. This is turning beautiful places into ugly ones. turn into 把把变成变成 e.g. The icy rain seemed to turn into snow. 冻雨似乎要变成雪花了。冻雨似乎要变成雪花了。 2. Its good for health and it doesnt cost anything! cost v. 花费；使付出花费；使付出 指花费金钱，主语通常是物。指花费金钱，主语通常是物。cost的过去式的过

9、去式 和过去分词均为和过去分词均为cost。 e.g. The new shirt cost Mr. Wang 200 yuan. 王先生花了王先生花了200元买了新衬衫。元买了新衬衫。 How much does the new computer cost? 这台新电脑花了多少钱？这台新电脑花了多少钱？ take, spend, pay & cost take，spend，pay和和cost都可以表示都可以表示“花花 费费”，但它们的用法各有不同。，但它们的用法各有不同。 1) take多表示花费时间多表示花费时间，常用于，常用于It takes sb. some time to do st

10、h.这一句型中，其中这一句型中，其中it作形作形 式主语式主语。 e.g. It usually takes me 40 minutes to cook the dinner. 2) spend多表示花费时间和金钱，主语通常是多表示花费时间和金钱，主语通常是 人人，常用于，常用于sb. spend(s) some time / money on sth.和和sb. spend(s) some time / money (in) doing sth.两种句型。两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spend

11、s an hour (in) watching the news on TV every day. 3) pay多表示花费金钱，主语通常是人多表示花费金钱，主语通常是人，常用，常用 于于sb. pay(s) some money for sth.句型。句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday. 4) cost多表示花费金钱，主语通常是物多表示花费金钱，主语通常是物，常用，常用 于于sth. cost(s) (sb.) some money句型。句型。 e.g. The new dress cost Linda 88 yuan

12、. 根据句意用根据句意用take, spend, pay或或cost的适当的适当 形式填空。形式填空。 1. That new car _ them lots of money. 2. Mona _ 50 yuan on the books just now. 3. It usually _ me an hour to do my homework. cost spent takes 4. You should _ some time practicing your pronunciation. 5. My brother _ 6, 000 yuan for the new computer

13、yesterday. spend paid 3. So together, our actions can make a difference and lead to a better future! make a difference (to) (对对)产生影响或作用产生影响或作用 e.g. Do you think his words would make any difference to the final decision? 你认为他的话会对最后的决定产生影响吗？你认为他的话会对最后的决定产生影响吗？ The new teacher always encourages little Tom. This has made a big difference to him. 新来的老师总是鼓励小汤姆。这对他影响很大。新来的老师总是鼓励小汤姆。这对他影响很大。 用动词的适当形式填空。用动词的适当形式填空。 1. Were trying _ (save) the earth. 2. There are too many