冀教版八年級下冊Lesson8WhyArePlantsImportant課件

1、冀教版八年級下冊Lesson8WhyArePlantsImportant,1,Unit 2 Plant a Plant,冀教版八年級下冊Lesson8WhyArePlantsImportant,2,Lesson 8 Why Are Plants Important?,冀教版八年級下冊Lesson8WhyArePlantsImportant,3,Words,冀教版八年級下冊Lesson8WhyArePlantsImportant,4,soil n. 土，土壤,shade n. 樹蔭,冀教版八年級下冊Lesson8WhyArePlantsImportant,5,leasant adj. 使人愉快的

2、 fulfill v. 達(dá)到；執(zhí)行 basic adj. 基本的；基礎(chǔ)的,冀教版八年級下冊Lesson8WhyArePlantsImportant,6,Questions,What would happen without food? What kind of things can trees（plants） do?,In pairs,Read the text and answer to the following questions,冀教版八年級下冊Lesson8WhyArePlantsImportant,7,Language Points,冀教版八年級下冊Lesson8WhyArePla

3、ntsImportant,8,1.Trees help clean the air. 樹能幫著清潔空氣。 help vt. 幫助，常用于兩個句型：help sb. (to) do sth.=help sb. with sth. “幫助某人做某事” 。介詞with后接名詞，通常不接動詞-ing形式。 Mr. Wu helps me learn English. = Mr. Wu often helps me with my English. 吳先生幫我學(xué)英語。,冀教版八年級下冊Lesson8WhyArePlantsImportant,9,2. Then we can sit in the sha

4、de under a tree.,in the shade,“在陰涼處”,類似短語,in the sun in the light,在陽光下 在燈光下,冀教版八年級下冊Lesson8WhyArePlantsImportant,10,3. Donuts dont grow on trees!,on trees “在樹上”,on the tree,樹本身的東西，長在樹上。,in the tree,外來的東西，不是樹本身的東西,冀教版八年級下冊Lesson8WhyArePlantsImportant,11,e.g.樹上有幾只鳥.,There are some birds in the tree.,樹

5、上有很多蘋果.,There are many apples on the tree.,看! 風(fēng)箏在樹上.,Look! The kite is in the tree.,冀教版八年級下冊Lesson8WhyArePlantsImportant,12,4. The trees and plants take energy from the sun and turn it into food.,turninto,“把轉(zhuǎn)化”,e.g.我們可以把樹制成紙.,We can turn the tree into paper.,take energy from “從中獲取能量”,冀教版八年級下冊Lesson8

6、WhyArePlantsImportant,13,5.Medicine and clothing are also made from trees and plants. 與make 有關(guān)的被動語態(tài)的短語,be made from,由(看不出原料)制成,be made of,由(看出原料)制成,be made by,被(某人)制造,be made in,在(某地)制造,冀教版八年級下冊Lesson8WhyArePlantsImportant,14,6. We cant live without plants,without,介詞 “沒有”,e.g.他沒有吃早飯就去上學(xué)了.,He went to

7、 school without breakfast.,沒有水魚就不能活.,Fish cant live without water.,冀教版八年級下冊Lesson8WhyArePlantsImportant,15,Why are plants important? Trees help_ the air. Trees _us food. We can _things with trees. We can _ under a tree. We _ books from trees. Many animals _ in trees.,clean,give,build,sit,make,live,冀

8、教版八年級下冊Lesson8WhyArePlantsImportant,16,Exercise,冀教版八年級下冊Lesson8WhyArePlantsImportant,17,All plants take energy _ the sun and turn it _ food. A. to; from B. into; to C. from; to D. from; into,冀教版八年級下冊Lesson8WhyArePlantsImportant,18,2. Plants can help _ the air. A. to clean B. cleaning C. clean D. of

9、cleaning,冀教版八年級下冊Lesson8WhyArePlantsImportant,19,3. Wine_ wheat. A. is made from B. is made of C. is made by D. is made in,冀教版八年級下冊Lesson8WhyArePlantsImportant,20,4. I would fail_your help. A. in B. with C. within D. without,冀教版八年級下冊Lesson8WhyArePlantsImportant,21,Why do we need plants? Find some an

10、swers to this question. Write down your answers.,lets do it!,冀教版八年級下冊Lesson8WhyArePlantsImportant,22,People use plants in many ways,For food There are about eighty thousand different plants in the world that people can eat. But half of the worlds food comes from only three plants: rice, corn and whe

11、at.,冀教版八年級下冊Lesson8WhyArePlantsImportant,23,For medicine,We make many medicine from plants. Whats medicine? Doctors use medicine to help sick people.,冀教版八年級下冊Lesson8WhyArePlantsImportant,24,For shelter,We use wood from trees to build houses and furniture. Tables, chairs and beds are furniture. So is

12、 your desk. Many animals live in the forest.,冀教版八年級下冊Lesson8WhyArePlantsImportant,25,For clothing,Is your shirt made of cotton? Cotton is made from the cotton plant. Do you have a hat made of straw? Straw hats are made from the stems of grass plants.,冀教版八年級下冊Lesson8WhyArePlantsImportant,26,For thing

13、s we use to work,Look at the things on your desk. Books, paper, pencils, erasers and the ink in your pen all come from plants.,冀教版八年級下冊Lesson8WhyArePlantsImportant,27,Plants help make the air clean and fresh. The plants cover the soil and can stop the dust.,For environment,冀教版八年級下冊Lesson8WhyArePlant

14、sImportant,28,Summarize,冀教版八年級下冊Lesson8WhyArePlantsImportant,29,the importance of trees or plants,Trees are very important to people 1.Trees and other plants help clean the air. 2.Trees and plants are important to people, they help us fulfill our basic needs. We can build things with trees. 3.The tr

15、ees and plants take energy from the sun and turn it into food. 4.Medicine and clothing are also made from trees and plants.,冀教版八年級下冊Lesson8WhyArePlantsImportant,30,5.Plants cover the soil. That way, the wind and water dont carry the soil away. 6.Plants also make everything look beautiful. 7.Many animals live in the forest and eat the fruit from the trees. In a word, we cant live without plants.,冀教版八年級下冊Lesson8WhyArePlantsImportant,31,1. 完成練習(xí)冊第8課（Lesson8 in Exe