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仁愛版英語九年級上冊unit2topic3whatcanwedoathometoprotecttheenvironmentsectionc(存儲版)

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【正文】 t has no wheels but it runs very fast. It can run more than four hundred km per hour. T: …( Use the same way to deal with other words.) Learn the new words. S1: Motor. S2: It looks like a train. 這一課詞匯較多，而且有很多專用術(shù)語，老師要運用各種方法先講解部分新詞。 S1: 蒸汽。 Step 2 : HMK T: You have discussed and taken note in 2a. After class, you should write a short passage with the notes. You may follow the example in 2b. vehicles can not only protect the environment but also save energy. But it’s too small to hold many people. Maglev trains run very fast and quietly. They are energy efficient and they have no pollution. However, the paths are much more expensive than the traditional steel railways. Ⅶ . Blackboard design What can we do at home to protect the environment? Section C Words and phrases： electric motor 電動摩托 maglev train 磁懸浮列車 technology require Grammar： pound sentences: 并列句 conjunctions: 連接詞 but, however, and , not only…but also…,… Sentences: However, nuclear power can be very dangerous. It can not only protect the environment but also save energy. It’s too small to hold many people. …, but it is very dirty and causes acid rain. German wheel guide deep run out dis+advantage=disadvantage (n) re(使 )+new+able（能 … 的） =renewable(adj) not only…but also… 。 many pound sentences in this passage. Then let’s deal with the difficult points. Step3: Deal with the difficult points. 5 Finishing Task 2a (8 mins) Class activity Individual work Step 1: Let the Ss look at the pictures in 2a to learn the new words. T: We know coal, oil and gas are unrenewable sources, and they will run out in the future. So people are finding new ways to produce power. Now, look at the pictures in 2a, do you know what kind of natural sources is used? Let’s start with Picture 1. T: Yes, in picture 1, people use sunlight. Picture2? T: In some places, there is ho

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