2014-2015冀教版八下英语课件lesson8VIP免费

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pleasantshadebasicsoilNew 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 !Let’s 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 Language PointsPointswithout 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 can’t live without plants. 总之，我们离不开植物。Without water, fish can’t 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。Exercises1. Many students 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。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 don't 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 can't live ________ air.5. We can make this medicine _____ plants.II. 用适当的介词填空。offorinwithoutfrom1. 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 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.