九年级英语下册(人教版)教学课件：Unit 13 We’re trying to save the earth(第1课时).pptVIP

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. 3. There is also too much rubbish and waste. People _______________ things every day. 4. People are also litter in _______ like parks. This is turning beautiful places into ugly places. 1.We are trying to save the earth.我们正在努力拯救地球。 【解析】try doing sth 尝试做某事（不一定付出很大努力） try to do sth 尽力做某事（强调付出一定的努力设 法完成） 想一想? 尽某人最大的努力做某事 try_______________ 2. But it used to be so clean. 但它过去是如此干净。 【解析】used to 的意思是 ___________, 其中to是不定式符号，不是 介词，所以其后要接____________。 be used to 的意思是__________，其中to是介词，其后要接 __________ — How much is the ticket to Central Park? — A one-way ticket ______ $40, and you can ______ another $20 for a round-trip. A. costs, pay B. cost, spend C. pay, spend D. spends, pay I. 单项选择。 1. Eating too much sugar can ________ healthy problems. A. get to B. lead to C. point to D. able to 2. -----What are the _________ of bike riding? ----- It’s good for our health. A. advantages B. reasons C. results D. ideas II. 用所给词的适当形式填空。 1. There are many kinds of_________（pollute）in our daily life. 2. All of the students should take part in_________ (keep) our school clean and tidy. 3. Can you tell us your ideas for _________ (improve) your spoken English. 4. We should stop using the_________ (wood) chopsticks to protect the forest. 5. Their grandparents were ____________ (fisherman) near the sea before they moved to the town. III. 根据汉语意思完成下列句子。 1. 咱们玩纸牌吧，别看电视了。 Let’s play cards ________ _______ watching TV. 2. 我们的行动会起作用，并且通向更好的未来。 Our actions can _______ a difference and lead to a ________ future. 3. 这个木箱时装满了书。 The _________box_________ _________ _________books.