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1、 Lesson 8: Why Are Plants Important?I. Learning aims: Master the new words and phrases: pleasant, shade, basic, soilII. Learning important and difficult points:1) be made of / in / from / by2) without的用法的用法pleasantshadebasicsoilNew WordsWhich do you eat more, plants or meat?Can we live without plant
2、s? 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, _.”without是介词，后面接名词或动名词，意为是介词，后面接名词或动名词，意为“没有；在没有没有；在没有的情况下的情况下”，既可
3、以放，既可以放在句首也可以放在句尾。反义词是在句首也可以放在句尾。反义词是with。如：。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意为意为“由由制成制成”，从制成品上能看出原材料来。如：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） b
4、e made from意为意为“由由制制成成”，从制成品上看不出原材料。如：，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)辨析辨析（3） be made in意为意为“在某地制成在某地制成”，in后面接地点。如：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 意为意为“通过什么方式通过什么方式或者由某人制成或者由某人制成”。如：。如： The coat is made by hand. 衣服是手工做的。Exercises1. Many stud
5、ents use their computers _ games now.A. play B. playing C. to play D. played2. I like listening to music very much. _.A. So do I B. So I do C. So am I D. So I amI. 单项选择。单项选择。CA3. Half of the milk in this store _ from Shandong.A. comes B. come C. have come D. are coming4. How can I do my homework? I
6、dont even have a pen _.A. to make B. to make in C. to write D. to write withAD1. 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。用适当的介词填空。offorinwithout
7、from1. 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。连词成句。Most of our food comes from plantsDoctors use medicine to help sick peopleDo you have a hat made of strawThere are many different plants in the world that people can eatHomeworkRead the text after class, and try to recite it.