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Unit 2 Module 12 Save our world 课件首页 1 To summarize the solutions on saving energy and protecting environment To make suggestions and give reasons using because, so and so that 学习目标 To learn some key words and useful expressions about environment 学习目标页 2 Lead in Do you buy new clothes just because they are modern? Warming up Do you turn off the lights when you leave the room? Warming up Do you take your own cloth bag when shopping and not ask for a plastic bag? Reduce Warming up 前缀 含义 例词 mis- 错误地 mislead, misunderstand non- 不, 非 non-smoker, non-native re- 再, 重复 rewrite, retell un- 不 unable, unhappy, unpopular 2) 常见后缀 后缀 功能 例词 -er, -or 构成名词 teacher, worker, visitor -ian musician -ing building, painting, shopping, meaning -ist artist, scientist 新课讲解 3 Read the passage and answer the questions in the first part. 新课讲解 4 Check (√) the suggestions that are mentioned in the passage. Order food that you can finish. 2. Use less electricity at home. 3. Learn ways to recycle rubbish. 4. Use paper cups and paper bags. 5. Repair things. 6. Divide rubbish into different groups. 7. Collect waste or rubbish to raise money. 8. Burn things to save energy. √ √ √ √ √ 此类文章中常用句型: 祈使句: Do … Do not do… Let’s … 特殊句式: It’s better to do sth. It’s better than doing … 情态动词: We have to … Task 2 Underline the sentences to make suggestions. 关掉 处理 divide…into… 把……分成…… be harmful to… 对……有害 照顾 throw away:扔掉;丢弃 change…into… 把……变成…… 许多 期待…… take steps:采取措施 Pay attention to the expressions. Read the part – Recycle and analyze the structure of this paragraph. What Why How ① ② ③ Structure Recycle What change… into… Why Although…, it’s better than … How recycling policy buy recycled products divide rubbish 3. We all need a healthy environment,but we produce waste every day,and it is harmful to our environment . 我们都需要一个健康的环境,但是我们每天生产垃圾,这对我们的环境有害。 harmful是形容词,意为“有害的”,反义词是harmless(无害的)。 be harmful to意为“对……有害” ,相当于be bad for/do harm to。 [例句] smoking is harmful to our health. = smoking does harm to our health. 吸烟对健康有害。 [造句] Junk food is harmful to teenagers. 垃圾食品对青少年有害。 4. Even though all of the photos are excellent, we are sorry to say that we cannot give prizes to everyone. as... as possible意为“尽可能……”,和as... as sb can同义。在as...as possible结构中,两个as之间要用形容词或副词的原级。 [例句] Please come here as soon as possible. =Please come here as soon as you can.请尽快来这里。 [造句] He does homework as carefully as possible. 他做作业尽可能地细心。 新课讲解 Reuse Many people like disposable cutlery(一次性餐具)because they don’t have to wash up. But it isn’t green. Bring your own chopsticks from home and reuse them. Don’t use disposable cups or plates, either. Recycle We all eat and drink at school every day, so there are plenty of wrappers, bottles and cans to dispose of. But don’t just throw your bottles, wrappers and cans in the rubbish bin — support the school’s recycling programme! Put paper, plastic, glass and metal in the recycling bins. Follow these steps and we’ll all have a green school! 新课讲解 It is better to use china cups and bowls... Point Language points 1 作不定式的形式主语 eg:It's not easy to get him to change his mind. 让他改变主意不容易。 作that引导的从句的形式主语 eg:It is obvious that we can't go on like this. 我们显然不能像这样继续了 用瓷杯和瓷碗更好…… it在这里作形式主语。 作whether, when, what等引导的句子的形式主语 eg:It doesn't matter whether you go or not. 你去不去没关系。 作动名词的形式主语 eg:It was nice seeing you. 看见你真好。 We throw tons of rubbish away each year, and we have to make a change. Divide your rubbish into plastic, glass, paper and rubber. Develop a recycling policy for the whole community. Buy products such as recycled paper to help save trees. Reading and vocabulary We cannot hope for rapid change, but let’s take these simple steps today so that we will save the world for our grandsons and granddaughters tomorrow. take steps “采取措施” . Read the passage quickly and choose the right answer. 1. The passage may come from _. A. a menu B. a dictionary C. a storybook D. a magazine 2. What is the passage talking about ? We produce waste every day. We should reduce, reuse and recycle to make our world green. We can hope for the rapid change to save the world. Divide rubbish into different groups. Reading and vocabulary 4. Do you divide the waste into things to recycle and things to throw away? 你把垃圾分为可回收和需丢弃的吗? e.g. Divide the cake into four parts. 把蛋糕分成四份。 divide v. 分配;分开 常用结构:divide ... into ... 把……分成……;表示把一个整体分成几部分 throw away 扔掉;丢弃 “动词+副词”型短语,跟代词作宾语时,代词放throw与away之间;跟名词作宾语时,名词既可位于throw与away之间,也可位于away之后。 e.g. The milk has gone sour. Please throw it away. 牛奶变质了。请把它扔了吧。 2. How can these things be reused? Recycled paper can be used for notebooks, tickets or writing paper. Old clothes can be … 3. How does this help the environment? It can save energy… 4. Have you ever recycled or used things that can be recycled? How? … Complete the conversation with the correct form of the expressions in the box. be good for throw away turn off worry about Mike: I hear you are off to the Caribbean for a holiday! Lucky you! But aren’t you (1) _ the pollution that such long plane journey may cause for the environment? Ken: I know, but what can I do about it? I’ve already tried my best to protect the environment. I recycle. worried about 7 null 176962.92 $