(
课件网) Let's review. Look and say. giraffe lion panda tiger starfish ocean _____ frog kangaroo elephant leaf Read and translate. 轮回 _____ 非洲 _____ 亚洲 _____ 脖子 _____ 困难的 _____ 被称为 _____ turn Africa Asia neck difficult be called Let's read We only have one earth! Would you like to live in a world with no pandas, tigers or whales These and many other animals are in danger. If we don't do something now, they may all disappear forever! One problem is that their homes are disappearing. People cut down the forests and pollute the oceans, so these animals have no place to live in. Also, many people buy things made from these animals, like medicines, fur coats and even foods. If you love the earth and love the animals, please do something about it. Never buy things made from animals in danger. Plant trees and don't pollute. If we all work together we can still save the animals. Answer the questions. (1) What may soon happen to many animals in danger (2) Why are many animals' homes disappearing (3) What things are often made from animals in danger They may all disappear forever. Because people cut down the forests and pollute the oceans. Many things are often made from animals in danger, like medicines, fur coats and even foods. (4) What can people do to help these animals (5) Do you know any other animals in danger Never buy things made from animals in danger. Plants trees and don't pollute. White-flag dolphins（白鳍豚）. Let's discuss. How can we save the animals in danger Never buy things made from the animals in danger. Plant trees. Don't cut down the forests. Don't pollute the oceans. Love the animals. Work together and save the animals in danger. Let's learn some new words and phrases. save v. 拯救；节省 save the ocean 拯救海洋 only adj. 唯一的 adv. 仅仅 There is only one boy in the classroom. 教室里只有一个男孩。 earth n. 地球 We only have one erath. 我们只有一个地球。 whale n. 鲸鱼 Whales live in the ocean. 鲸鱼生活在海洋里。 danger n. 危险 Danger! 危险！ in danger 处于危险中 She is in danger. 她处于危险中。 disappear v. 消失 The money disappeared. 那笔钱消失了。 forever adv. 永远 We are best friends forever. 我们永远都是好朋友。 forest n. 森林 in the forest 森林里 pollute v. 污染 pollute the air 污染空气 made v. 制造（make 的过去式） I made a snowman yesterday. 昨天我堆了一个雪人。 make from 用······制造 Wine is made from grapes. 葡萄酒是用葡萄做的。 fur n. 皮毛 The coat is made of fur. 这件外套是用皮毛制成的。 Let's learn some new sentences. If we don't do something now, they may all disappear forever! 如果我们现在不做点儿事，它们可能全部会永远消失。 句型结构：“If we don't +动词原形（+其他），主语+ may +动词原形（+其他）.”表示“如果我们不······，······可能会······。” eg: If we don't go to the zoo, I may go shopping. 如果我们不去动物园，我可能会去购物。 Would you like to live in a world with no pandas, tigers or whales 你愿意生活在一个没有熊猫、老虎 ... ...
