人教版九年级Unit13SectionB3a Self Check名师课件19张

1、人教版九年级全一册 Unit13 Were trying to save the earth. Section B （3a-Self Check） 1.全面总结本单元所学目标内容，复习并学学 习习 目目 标标 熟练掌握本单元词汇。 2. 能正确使用本单元的常用表达。 3.通过对本单元有关话题进行写作，训练巩固知识，锻炼发散思维，提高输出能力。Reviewing and Summarizing 重点词组翻译 be full of 1. 装满，充满 2. 把扔进里 throwinto 3. 消减，减少 cut down 4. 听说 hear of be harmful to 5. 对有害 6. 在

2、危险中 in danger Reviewing and Summarizing 7. 付费，付出代价 pay for take action 8. 采取行动 9. 公共交通 public transportation stop doing sth. 10. 停止做某事 11. 好好利用 12. 拆下，摧毁 put sth. to good use pulldown set up be known for 13. 建立 14. 以闻名 Reviewing and Summarizing Self Check 1 n. adj. fame famous wood wooden science sc

3、ientific health healthy south southern care careful beauty beautiful success successful luck lucky Write different forms of the words. Then add more to each group. v. n. pollute pollution act action protect protection inspire inspiration build building create creation work worker invite invitation d

4、eath die Reviewing and Summarizing Self Check 1 adj. adv. Write different forms of the words. Then add more to each group. adj. n. different- difference slow- slowly importance widely important- wide- difficult- difficulty sudden- suddenly environmental- environment real- really recent- recently Rev

5、iewing and Summarizing Self Check 2 Grammar Match each statement with the grammar structure. Statement The river used to be so clean. We have seen many changes in the environment. People should take public transportation more. Present progressive Modal verbs Passive voice The river is polluted by fa

6、ctories. The air pollution is getting worse and worse. used to Present perfect Reviewing and Summarizing Write ways to cut down on these kinds of pollution. Self Check 3 Kinds of pollution water pollution Ways to cut down take off the shower while washing hair take your own bags when shopping keep v

7、oice down in public places take public transport rather than drive / avoid using air conditioners land pollution noise pollution air pollution Discussing and Expressing 3a Think about the environment in your town/city and complete the chart below. ? Which parts of the town/city have a nice environme

8、nt? Why are they nice? ? Which parts need to be improved? Why? Good environment Why? Bad environment Why? Discussing and Expressing Make a summary the sentences about the environmental problems: ?The river was really dirty. ?People are throwing litter into the river. ?Factories are putting waste int

9、o the river. ?The air is badly polluted because there are more cars on the road these days. ?Factories that burn coal also pollute the air with a lot of black smoke. ?People are also littering in public places like parks. Discussing and Expressing Make a summary the sentences about the ways to impro

10、ve the environment: ?To cut down air pollution, we should take the bus or subway instead of driving. ?I never take wooden chopsticks or plastic forks when I buy takeaway food. ?Remember to throw rubbish into the bins and keep public places clean and beautiful for everyone. Discussing and Expressing

11、Make a summary the sentences about the ways to improve the environment: ?You can save electricity by turning off the lights when you leave a room. ?You can also use reusable bags instead of plastic bags. ?Recycle books and paper. ?Turn off the shower while you are washing your hair. ?Dont use paper

12、napkins. Writing and Improving 写作任务：写作任务： 请给市长写一封信，谈一谈你所在城市的环境问题，及改进措施。开头已给出，词数：100词左右。 要点可以包括： 你所在城市的环境污染问题; 有效的解决办法； 你的环保感悟。 Dear Mayor, Im glad to write this letter to you. Id like to talk about the environment in our city. _ _ _ Writing and Improving 写作指导写作指导: 1) 人称：第一人称。 2) 时态：现在进行时，现在完成时，一般现在时

13、。 3) 结构设计: （1）总领下文：城市环境问题； （2）中间段：有效办法； （3）得出结论：环保的感悟。 Writing and Improving 表达储备表达储备 描述环境污染情况的短语： dirty river a lot of black smoke throw litter turn beautiful places into ugly ones too much rubbish and waste too much noise Writing and Improving 提出合理建议的短语及句型: turn off the lights when leaving a room

14、use reusable bags instead of plastic bags ride a bike or walk instead of driving to school or work turn off the shower while washing hair dont use paper napkins I think that We should/ could I suggest Writing and Improving 范文实例范文实例 Dear Mayor, Im glad to write this letter to you. Id like to talk abo

15、ut the environment in our city. Our city is not as beautiful as before. Environmental problems are becoming more and more serious. The river is dirtier. People are throwing litter into the river or in public places like parks. This is turning beautiful places into ugly ones. Factories are putting wa

16、ste into the river and they burn coal, which also pollute the air with a lot of black smoke. And most of us ride in cars to school even if they live close to school. I think it is time to play a part in saving the earth. Writing and Improving First of all, to cut down air pollution, we should ride a

17、 bike or walk to school instead of riding in cars. If its far, we can take the bus or subway. Second, we shouldnt throw litter here and there. We should put it in the bins. As for waste pollution, we should never take wooden chopsticks or plastic forks when buying takeaway food. We can also use reusable bags instead of plastic bags. Whats more, the government should close down the factories that are putting waste into