仁愛(ài)版英語(yǔ)九年級(jí)上冊(cè)u(píng)nit2topic3whatcanwedoathometoprotecttheenvironmentsectionc-文庫(kù)吧在線文庫(kù)
【正文】 t water Learn the new words. Ss: 太陽(yáng)能。 利用課文中的插圖和教材附錄中的資料來(lái)理解課文。 awareness: (optional) 了解世界各國(guó)在開(kāi)發(fā)和利用新能源方面的現(xiàn)狀和成就。 2a 指出人 們可以利用可再生能源來(lái)發(fā)電 ， 并讓學(xué)生討論怎樣利用這些可再生能源，然后在 2b 環(huán)節(jié)形成書(shū)面報(bào)告。 Unit2 Topic3 SectionC 教學(xué)設(shè)計(jì) Ⅰ . Material analysis 本課是 第二單元第三話題的第三課時(shí)。 2a 和 2b 是兩個(gè)關(guān)聯(lián)性很強(qiáng)的任務(wù)。 aims: (optional) 激發(fā)學(xué)生探索利用 新能源的熱情。 要養(yǎng)成在討論中作記錄的好習(xí)慣，并利用記錄 的要點(diǎn)來(lái)組織短文。建議老師直接用漢語(yǔ)解釋。Ss: Biogas is renewable. Farmers recycle straw, grass and animal waste to make biogas. But it requires long time to produce biogas and it costs much to build them. Electric 讓學(xué)生單獨(dú)復(fù)述課文有一定的難度，最好是老師帶著一起復(fù)述。 Ss: 風(fēng)力發(fā)電。如：運(yùn)用圖片、構(gòu)詞法或課前集中預(yù)習(xí)等。 理解文中出現(xiàn)的被動(dòng)語(yǔ)態(tài)。 Ⅱ .Teaching aims aims： 掌握本課的重點(diǎn)詞匯和短語(yǔ)，繼續(xù)學(xué)習(xí)并列句 。在介紹的過(guò)程中，讓學(xué)生學(xué)到更多并列句的連接詞。如： however, not only…but also… 等。 aims: 學(xué)會(huì)更多連接并列句的方法。如 : This renewable energy is used in people’s everyday lives. Electric vehicles were developed in the 1990s. It’s too small to hold many people, but larger models will be developed in the near future. 理解文中出現(xiàn)的表語(yǔ)從句。 electric(adj)+ ity(名詞后綴 )= electricity(n), re(again)+new+able （能 … 的）=renewable(adj) , dis(no)+advantage=disadvantage (n)。 Ss: 海浪。 Group work ing from deep in the earth. If the water is too hot, it bees steam. In the past, people used steam to drive trains and ships. Now, can you guess what “steam” means? T: Yeah! Then Picture 3? T: Yes. And the last one? T: Clever! Sea waves are natural sources, too. Step2: Let the Ss read 2a and match the pictures with the sentences. T: You have learned about these renewable sources. Now, read 2a quickly and match the pictures with the sentences. If you finish, put up your hand. T: xxx, could you tell us your answers? Discuss in detail about the use of one kind of energy source. T: Is that right? Step3: Let the Ss discuss in detail about the use of one kind of energy sources. T: From the passage, we know that these sources are used worldwide. Now, I’d like you to discuss in detail how to use one of these sources in groups. You’d better take notes while d
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