仁愛版英語九年級(jí)上冊(cè)u(píng)nit2topic3whatcanwedoathometoprotecttheenvironmentsectionc-資料下載頁
2024-12-09 09:08本頁面
【導(dǎo)讀】本課是第二單元第三話題的第三課時(shí)。1a介紹了世界各地的。源的利用方式所存在的不足之處。在介紹的過程中，讓學(xué)生學(xué)到更多并列句的連。地理解比較陌生的事物。1c培養(yǎng)學(xué)生歸納處理信息的能力。聯(lián)性很強(qiáng)的任務(wù)。2a指出人們可以利用可再生能源來發(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)形成書面報(bào)告。學(xué)生學(xué)會(huì)作記錄，并根據(jù)記錄整理成短文的能力。掌握本課的重點(diǎn)詞匯和短語，繼續(xù)學(xué)習(xí)并列句。了解世界各國(guó)在開發(fā)和利用新能源方面的現(xiàn)狀和成就。理解文章中出現(xiàn)的大量專業(yè)術(shù)語。理解文中出現(xiàn)的表語從句。在1a、1b和2a中，能夠根據(jù)文字描述進(jìn)行圖文匹配。利用課文中的插圖和教材附錄中的資料來理解課文。
【正文】 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 discussing. Because you will write a short passage based on the discussion. 6 Summarizing and assigning homework (4 mins) Class activity Step1: Let the Ss retell the main content of 1a according to the table in 1c. T: How time flies! It’s time to retell the main content of 1a now. Ready? Go! Retell the main content of 1a according to the table in 1c. Tamp。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。 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(dòng)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…
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