Saving the Earth 课件.ppt

1、 Do you like it? Why? Do you think noise is a kind of pollution? (录音a) (录音b) (录音c) (录音d) (录音e) (录音f) (录音g) 1.图片对齐 在我们插入PPT图片或是输入文字的时候，为了整齐都需要将插入的文本框对齐 ，但是又不想一个一个的进行操作，这时按住Ctrl键将需要进行对齐的文本选中 ，点击开始排列对齐垂直居中即可； 2.巧用格式刷 在制作PPT的时候为了保证PPT风格的统一，很多任通常会使用复制粘贴来确保 每一页PPT格式相同，这样对于少页数来说可以进行操作，但是碎玉多页面的话 就有点麻烦了，其实我们

2、可以巧用格式刷：首先，在开始菜单栏下方有一个格式 刷，点击格式刷，很快就能看到效果； 3.去除所有动画效果 很多人在制作PPT的时候都是直接在模板库里下载模板进行使用的，但是下载的 模板大多数都是有幻灯片的，这样在演讲的时候很不方便，怎样将其进行去除呢 ？单击幻灯片放映选择设置幻灯片放映，放映类型选择演讲者放映；换片方式 选择手动即可； 4.PPT快键 PPT逼格提升技巧逼格提升技巧 Can you tell me any kinds of noise pollution? (录音） Yes, the sound of Discuss these phrases, check which is

3、 pollution and talk about what kind of pollution it is. Producing electricity by wind, talking loudly after class laughing loudly at the cinema, smoking in public Playing loud rock music at midnight, Burning wood ,gas, oil and coal Listen to 1a, answer the following questions. Does the writer think

4、noise is a kind of pollution? Yes, he does. Listen to 1a, answer the following questions. Is it harmful to human beings health? How do you know? Yes, it is. Because people who work and live in noisy conditions may go deaf. be harmful to = do harm to harm v. & n. 危害，伤害，损害 do great harm to对有着极大的损害 E.g

5、. It not only disturbs others but also does great harm to hearing. Translate the following sentences into Chinese. Quite a few people living near airports also have hearing loss. 许多生活在机场附近的人们也丧失了听力。 quite a few = manyzxxk quite a little = much very few 几乎没有几个 very little 几乎没有一点 Translate the followi

6、ng sentences into Chinese. However, not all people know that noise is also a kind of pollution 然而，不是所有的人都知道噪音也是一种污染 not all 表示不完全否定，意为“不 是所有的都”。同样的结构还有 not both, not every, allnot, bothnot, everynot Translate the following sentences into Chinese. Recently it was reported that many teenagers in Ameri

7、ca can hear no better than 65-year-old people do, 近来有报道说美国许多青少年的听力 像65岁的老人那么差， it is reported that 据报道 no better than 同一样（坏） According to 1a, tell which one is false. In the U.S.A., many teenagers can hear no better than 65-year-old people do. Not all people work in noisy conditions. Making too much

8、 noise in the classroom during the break is a kind of pollution. Noise cant make people sick. Nowadays, few countries are trying to solve all sorts of pollution problems. According to 1a, tell which one is false. In the U.S.A, many teenagers can hear no better than 65-year-old people do. Not all peo

9、ple work in noisy conditions. Making too much noise in the classroom during the break is a kind of pollution. Noise cant make people sick. Nowadays, few countries are trying to solve all sorts of pollution problems 1C Pair work Discuss and decide which paragraphs they belong to. People working in a

10、sawmill for a long time may go deaf. China is trying to solve noise pollution problems. There are many kinds of pollution in the world. Building houses at night disturbs the people nearby. (2) (3) (1) (2) Reading 1a again and then finish the following tasks. 1.Give a proper title to this passage. 2.

11、Change the following sentences into ones that have the same meanings. a.Not all people know that noise is also a kind of pollution. know(s) that noise is a kind of pollution, . b. Many teenagers in America can hear no better than 65- year-old people do. In America, many teenagers hearing is 65- year

12、-old peoples. Noise Pollution Not everyone as well as weak as 3. Which of the following can do harm to peoples hearing? Check( )them. ( )a. printing newspapers and books ( )b. living near airports ( )c. throwing rubbish around ( )d. making a lot of noise in public ( )e. living very close to a busy s

13、treet ( )f. listening to loud music Retell the passage using the following words. air pollution noise a kind of pollution go deaf have hearing loss no better than try to solve 用所给词的适当形式填空。 1. It was (report) that Liu Xiang would take part in the next Olympics. 2. Look! There is a little boy (play) s

14、occer on the playground. 3. Noise pollution can cause people (become) sick or deaf. 4. Its a pity that such a beautiful lake (go). 5. People who work and live in (noise) conditions may go deaf. reported playing to become have gone noisy pollution is harmful to peoples health. Quite a few people livi

15、ng near airports also have hearing loss. can hear no better than 65-year- old people do. it can even cause them to become sick or deaf. 2. Written work Write a letter to the newspaper about pollution problems. The following questions may help you. 1. What kinds of pollution are there in your hometown? 2. What are the bad effects of pollution? 3. Whats your hope?