2018届人教版九年级英语下册课件：Unit 13 第二课时(section A 3a-4c).pptVIP

Joe: How many people ______ (take) part? Ken: I _____ (think) more than 1,000 people _____(come) to help out. Joe: That’s fantastic! I guess everyone in this city is _______ (try) to improve the environment. Ken: Yes, we cant affort to _____ (wait) any longer to take action! took think came trying wait Fill in the blanks with the appropriate modal verbs from the box. 4b People _____ think that big things _______ be done. However, many forget that saving the earth begins with small things. For example, you _____ save electricity by turning off the lights when you leave a room. You _____ also use paper or reusable bags instead of plastic bags. may could would should can could would have to should must may/might I think it’s a great idea that you now ______ pay for plastic bags in some stores. And instead of driving to school or work, you __________ ride your bike or walk. If it’s far, you __________ take the bus. All these small things ______ add up and become big things that _________ improve the environment. Let’s take action now! have to can/should can/could could would/can add up 加起来；积得许多 The small progress made each time adds up in the end.每次一点点进步到最后积攒起来就大了。 Make a list of thingsthat people can do to help the environment and discuss your list with your partner. 4c A: I think that everyone should use public transportation. B: I disagree. its diffcult for parents with young children to use public transportation ... use public transportation ... Discussing... 4c use public transportation take your own shopping bags when go shopping reduce the use of air conditioners in summer turn off the lights when you leave the room grow more plants... A: I think that everyone should take your own shopping bags when go shopping. B: I agree. its good for the environment. A: I think that everyone should reduce the use of air conditioners in summer. B: I di