仁愛版英語九年級(jí)上冊(cè)u(píng)nit2topic2alltheseproblemsareveryserioussectiond(編輯修改稿)
2025-01-14 09:08 本頁面
【文章內(nèi)容簡介】 類生批改 C 類生的作文， C 類生學(xué)習(xí) A 類生的作文，找出自己不會(huì)的，而 A 類生會(huì)做的。 disappearing… S2… 3 Prereading (35 mins) Class activity Present some pictures of water resources and make a brief introduction about them. Teach the new words. T: Now look at these pictures of oceans. There are four large oceans on the earth. How much water is there? Ss: 70 percent. T: Right. Water resources are very rich on the earth. Nearly 3/4 of the earth is covered with water. Is the water enough for humans? Ss: Yes. / No. T: Why no? Who can tell us? S1: Because there is too much salt in the sea water, we can’t drink Look at the pictures of water resources. Learn the new words according to the teacher’s introductions. 該環(huán)節(jié)，教師用海洋圖片介紹世界上豐富的水資源，引導(dǎo)學(xué)生了解。即使如此豐富的水資源仍然無法解決人類所面對(duì)的水資源短缺的問題。 directly. T: Great! Although there is plenty of water, we still face the problem of water shortage. 4 Whilereading (10 mins) Individual work Individual work Step 1: Firstreading. Get the Ss to read 1a and put the paragraphs in the correct order. T: Now read 1a by yourselves and put the paragraphs in the correct order. Ss… T: OK. Let’s check the answer. Ss: 321. Step2: Secondreading. Get the Ss to read the passage again and answer the questions 13 in 1b. T: Read Para 1 and answer the first question in 1b. … T: Have you got the answer? Why is our world still thirsty when 3/4 of the earth is Step 1: Read 1a and put the paragraphs in the correct order. Ss: 321. Read the passage again and answer the questions 13 in 1b. 通過正確排列短文的順序，訓(xùn)練學(xué)生的邏輯思維能力。 該環(huán)節(jié)引導(dǎo)學(xué)生回答不 同的問題，進(jìn)一步理解文章的意思，關(guān)注 水資源的現(xiàn)狀和解決問題的方法。 covered with water? S1: This is because about 97% of the water on the earth is sea water. T: Right. Please read Para 2 to find out what we can do to avoid the water shortage now? … T: OK. What can we do to avoid the water shortage now? S2: First, we should save water and not waste it. Second,
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