九年級英語上冊 module 12 save our world教學(xué)案-全文預(yù)覽
【正文】 veryone, nothing, overlook 等也都是通過合成法構(gòu)成的單詞。例如： 由 interest 可以派生出 ： uninteresting interest — interesting — interestingly interested — uninterested 由 help 可以派生出： helpless — helplessly help — helpful — helpfully 由 able 可以派生出： enable able unable ability disable 3. 轉(zhuǎn)化法 英語構(gòu)詞法中把一種詞性轉(zhuǎn)化為另一種詞性而詞形不變的方法稱作轉(zhuǎn)化法。 You should water the flowers twice a day. 你應(yīng)該每天給這些花澆兩次水。 if you do not agree with what someone says, say “I’m sorry, but I don’t agree. I think that ?” Step 17 Homework Present your group ideas to the whole class. 。 The girl in black looks very beautiful. 那個穿黑衣服的女孩看上去很漂亮。 — I think we’d better finish the talk now. 我想我們最好現(xiàn)在結(jié)束談話。要通過派生法理解和記憶單詞 , 我們需要掌握常見的前綴和后綴及派生規(guī)律。 re = again, able = can be renewable = can be new again Step 5 構(gòu)詞法 1. 合成法 將兩個或兩個以上獨立且語義不同的單詞合在一起構(gòu)成新詞的方法叫做合成法。 The bottles can be reused up to 20 times. 這些瓶子可重復(fù)使用達 20次。 2. Repeat these three words daily: reduce, reuse and recycle. repeat v. 重說 。 4. Though pollution is heavy now, I don’t think it’s hopeless. hopeless adj. 無望的 . The doctor said the old man’s condition was hopeless. 醫(yī)生說這位老人的病是沒有希望的了。 — Such as ?? 比如說 ?? ？ 3. That means less waste. less adj. 較小的 。 Unit 1 If everyone starts to do something, the world will be saved. 【教學(xué)目標】 Knowledge objective To master some words and expressions. Ability objective To understand a conversation about pollution and a green school. Moral objective To learn the crisis of the earth and save the world. 【教學(xué)重點】 1. To learn and review some words and expressions： factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless ? 2. To learn how to live a green life. 【教學(xué)方法】 PWP method, taskbased method and interactive approach 【教學(xué)手段】 A tape recorder, multimedia and some pictures 【教學(xué)過程】 Teaching Procedures: Step 1 Warming up Pollution is our great enemy, and we have to fight it. Let Ss watch a video about pollution. Ss look at the pictures and talk about the questions. Step 2 Listening Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you. factory pollute recycle waste Step 3 Listen and plete the sentences. 1. The factory is causing a lot of _____________. 2. There should be some ________ to stop the pollution. 3. We can _______ waste products, such as __________ and paper in a recycling centre. Listen and read. Step 4 Consolidate new words Look and say. Look at the pictures of new words and let the students to say as quickly as possible. Step 5 Reading Read the dialogue and plete the notes. Pollution problems 1. If the rivers are polluted, ________________________________________. 2. In some places, pollution from factories ___________________________. 3. The cars on the roads ________________________________________. What the students can do 4. Support a green school: every class ___________ which can be ____________. Then the school _______________________ to help students ________________. 5. Students learn _________________________. That means ___________. Step 6 Everyday English It’ s no use ? Such as ? ? Nice idea! Step 7 Language points
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