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1、初四英语（上）课题 Unit3 Were trying to save the manatees! Section A 学习目标：本单元我们就学习有关环境保护的语言，通过本单元的学习，你需要掌握：1 能使用简单的目标语言制作环保宣传海报；-能利用废旧物品制作有用的物品，并向大家做简单的介绍-了解废物的回收再利用对环境保护的重要意义。-树立动物是人类的朋友,环保人人有责的思想意识重点难点： 1 学会长，宽，高，深，重等的表达。2学会使用被动语态。3树立保护动物的意识。重点句型：Were trying to save the manatees.Manatees eat about 100pound
2、s of food a day.There used to be a lot of manatees.In 1972, it was discovered that they were endangered.Some of the swamps have become polluted.课时：第一课时 听说课 (Section A 1aGrammar Focus) 温馨提示：预习对你的学习是很有帮助的，一定要养成课前预习的习惯。预习导航： 你能写出看到的动物的名字吗？想想以前所学的，相信你能行：_能记得它的被动语态那将更棒啊！2 你能想出哪些描述动物的形容词？_3 请写出我们学过的时态结构预习
3、效果自我评价 _( Great / good/ not bad/ bad)（ ）学习过程：学习任务一：预习交流1 某同学到动物园参观后回来，发现自己有一些动物的名称词忘记了，要你帮忙，你们一起集思广益把学过的动物名词写下来。_2 Debate an issue you like an animal.I like an elephant very much._ 自我评价 _( Great / good/ not bad/ bad)( )学习任务二：Listen and circle the words in 1a that Victor and Ginny use to describe the
4、 animals.Step1. Listen carefully and circle the words on this list that you hear on the recording.Boy: Hey, Ginny. Whats that big, furry animal in the pond?Girl: Its a polar bear, Victor. They re kind of aggressive.Boy: Are they? Looks like they really love water.Girl : Uh-huh.Boy: and what do you c
5、all those big, gray things in the water?Girl: Theyre called manatees.Boy: What?Girl: Manatees. Theyre very gentle and very shy.Boy: Oh. And how about the yellow and black spotted animals in that cage?Girl: Theyre cheetahs. The cheetah is the fastest animal in earth.Step2: Say out the answers. 自我评价 _
6、( )学习任务三：Group workStep1 Think of an animal that is the same as you in some ways for a few minutes.Step2 Read the oral practice using the target language.Step3 Write a statement about you and the animal, in which you can write one or two sentences that describes how you are similar to the animal you
7、 choose. _学习任务四：listen and match the words Step1.Listen to the tape.Boy: Can you tell us about the manatees, please?Man: Sure. Were trying to save them.Boy Why? Are they endangered?Man: Yes. There used to be a lot of manatees, but now there arent very many of them.Boy: Di you know how many there are
8、?Man: At this point, there are only about 2500 in the U.S. In 1972, it was discovered that they were endangered. Since then, the government has passed laws to protect them.Boy: Where do they live?Man: Their favorite habitat is the water under the trees in mangrove swamps.Boy: and why are they endang
9、ered?Man: Some of the swamps have become polluted. Also, there sometimes isnt enough food for all if them. As you can see, theyre large. The average manatee is about ten feet long and weighs about 1,000 pounds. They need about 100 pounds of aquatic feed a day.Boy: aquatic feed?Man: ohm, thats underw
10、ater plants and vegetation. Thats what they eat.Step2 listen again. Complete the chart.Kind of animalmanateeNumber 2,500 in the U.SHabits Water under trees in mangrove swampsReason why they are endangered Swamps polluted, not enough foodDescription Large, about ten feet long, weighs 1,000 pounds自我评价
11、 _( Great / good/ not bad/ bad)( )知识归纳：1注意两个词的用法footThe village lies at the foot of a green hill.（名词，底部）The road is twenty feet long （名词，英尺）We missed the last bus and went there on foot. （名词，脚步）weigh vt,& vi 称重量，它的名词是weightShe weighed two apples in her hand and gave me the bigger one.(v.)The airplan
12、e weighs five tons.(v.)Vegetable are sold by weight.(n.)It has some weight with me.(n.)1.like : 喜欢。like to do /like doingeg: We all like watching TV.像.介词 look like /be like eg: He is / looks like his motherTom is like his mother. They are both clever. Tom looks like his mother. They are both tall.译：
13、（1）他非常像他的妈妈，因为他很友好（2）他你他的妈妈，他们都很高。2.数词+单位名词+形容词（long,wide,high,deep）The classroom is six meters long and three meters wide.2 注意句子的时态与语态3 There be 与used to两句型的结合There used to be some animals in the hill.There used to be a lot of manatees there. 学以致用测测你身边物体的长度，宽度，高度，重量并做好记录！巩固提高: 1. 课堂检测1重点记忆：some wor
14、ds that describe animals.gen_ _e f_ _ry _ _ orm_ _s n_ _ sy gr_ _ sp_ _ ted2. 训练与检测：汉译英2. 我们正在努力地拯救海牛。3. 海牛每天吃一百镑的食品。4. 以前有许多海牛。5. 在1972年，发现他们已濒灭绝。6. 许多水草已经被污染。7. 海牛长约10英尺，重约1，000镑自我评价 _( Great / good/ not bad/ bad)( )2.课堂小结：自我评价 _( )3. 作业设置 Group A: Learn the sentences in the text. Group B: Words in the unit. 课时：第二课时 读写课(Section A a)预习导航：识记下列单词n. 1. 适合的_ v._
