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Lesson 8: Why Are Plants Important?,I. Learning aims:,Master the new words and phrases: pleasant, shade, basic, soil,II. Learning important and difficult points:,1) be made of / in / from / by 2) without的用法,pleasant,shade,basic,soil,New Words,Which do you eat more, plants or meat? Can we live without plants? Why or why not? What do people use plants for?,Think About It !,Lets Do It !,In a small group, make a list of the plants you eat everyday. What would happen to us if there were no plants? Try using this phrase: “ If we had no plants, _.”,Language Points,without是介词，后面接名词或动名词，意为“没有；在没有的情况下”，既可以放在句首也可以放在句尾。反义词是with。如：,In a word, we cant live without plants. 总之，我们离不开植物。,Without water, fish cant live. 没有水，鱼不能活着。,be made of； be made from be made in； be made by,（1） be made of意为“由制成”，从制成品上能看出原材料来。如：,That chair is made of wood. 那把椅子是用木头做的。(从外表能看出是木头),（2） be made from意为“由制成”，从制成品上看不出原材料。如：,The paper is made from wood. 纸是由木头做的。(从外表看不出木头),辨析,（3） be made in意为“在某地制成”，in后面接地点。如：,This watch is made in China. 这只手表在中国制造。,（4） be made by 意为“通过什么方式或者由某人制成”。如：,The coat is made by hand. 衣服是手工做的。,Exercises,1. Many students use their computers _ games now. A. play B. playing C. to play D. played 2. I like listening to music very much. _. A. So do I B. So I do C. So am I D. So I am,I. 单项选择。,C,A,3. Half of the milk in this store _ from Shandong. A. comes B. come C. have come D. are coming 4. How can I do my homework? I dont even have a pen _. A. to make B. to make in C. to write D. to write with,A,D,1. The Zhaozhou Bridge is made _ stone. 2. What did you come to school _? 3. People can get news _ many ways. 4. All the living things cant live _ air. 5. We can make this medicine _ plants.,II. 用适当的介词填空。,of,for,in,without,from,1. from, food, plants, comes, our, most, of _. 2. medicine, sick, doctors, help, to, people, use _. 3. a, made, you, straw, do, hat, of, have _? 4. different, are, many, there, world, plants, in, eat, the, people, that, can _.,III. 连词成句。,Most of our food comes from plants,Doctors use medicine to help sick people,Do you have a hat made of straw,There are many different plants in the world that people can eat,Homework,Read the text after class, and try to recite it.,同学们,来学校和回家的路上要注意安全,同学们,来学校和回家的路上要注意安全,
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