2017-2018学年九年级人教版英语教学课件：Unit 13 Section A 1a-2d.ppt

1. 单项填空 (1)We must do something useful to ___ pollution. A. cut off B. cut up C. cut down D. cut in (2)Smoking can ___ lung cancer. You’d bettter give it up. A.work on B.lead to C.take away D.put out C B (3)----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 (4)The poor old man lived in a little ____ hut. A. wood B. woodenly C. woodenness D. wooden A D 2.用所给词的适当形式填空 (1)We’re trying _______ (save) the earth. (2)There used to _____ (be) clean and beautiful. (3)There are too many ____ for __________to catch (fish). (4)It’s bad for environment to use _________ (wood) chopsticks. to save be fish wooden fishermen Review the new words and expressions. Practice the conversation in 2d. Grammar Writing Were trying to save the earth! The earth is polluted. air pollution Factories pour dangerous gases into the air. Cars also pour dangerous gases into the air. Factories put waste into the river. water pollution noise pollution There are more cars on the road. Help save the earth We must think of better way to treat our planet in future. 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking bulding houses mobile phones noise pollution ______________ ______________ ______________ ______________ air pollution ______________ ______________ ______________ ______________ water pollution ______________ ______________ ______________ ______________ loud music; cars; building house; ships; planes smoking; factories factories; rubbish; littering 1b Listen and complete the sentences. What was the problem? The river was___________ . Eve