八年級英語下13課課件

1、Lesson 13Why are plants important ?1Learning aims1.Master the new words: reason,air,pleasant,among,dig,shade,energy,nothingdie,heat,bamboo.kilogram.2.Master the phrases:carryaway, makeinto, in the shade.3.辨析：between 與 among 的區(qū)別。 on the tree 與 in the tree的區(qū)別。4.without的用法。5.熟讀課文。6.通過本課認識到植物的重要性，呼吁大家保護

2、植被愛護環(huán)境。 2Step 2: Check the new words.3根據(jù)句意及首寫字母提示完成單詞。1.The sun gives us h_and light.2.All plants take e_ from the sun and make it into food.3.It is p_ to have a walk in the park after supper.4.She is the tallest a_ her friends.5.The old man d_ when his children came to see him.6.D_ a hole first and

3、 put the small plant in it.7. Pandas like to eat b_.8.We can sit under a tree in the s_. eatnergyleasantmongiedigamboohade4Step 3: Read the text.5 Step 4: Read the text more carefully and fill in the blanks. Trees help _ the air.They give us _-like apples,bananas and oranges.We can _and _things with

4、 treeslike chairs,beds and houses! We can sit under a tree in the_. Plants_the soil.Then the wind and water dont _the soil away.All plants take _ from the sun and make it into food.People and other animals need the food to_.cleanfoodmakebuildshadecovercarryenergylive6Step5 Find out the following sen

5、tences in the text.1.在林間散步是令人愉快的。2.面包不是長在書上的。3.那我們可以坐在樹蔭下乘涼了。4.這樣風和水就不會把土壤帶走了。5.所有的植物都在陽光中獲得能量，并將它轉變成食物。6.沒有了食物他們會內有東西吃會死掉。 Its pleasant to walk among the trees.Donuts dont grow on trees.Then we can sit under a tree in the shade.Then the wind and water dont carry the soil away. All plants take energ

6、y from the sun and make it into food. Without food, they would have nothing to eat and they would die.7Step6Discuss in your groups and find out the language points in the sentences.8Step7 Show the language points.1.Its pleasant to walk among the trees. among是介詞,意為在和之間用于三個或三個以上的人或物，或籠統(tǒng)的一群人或一些人之中。其賓語通

7、常是一個表示籠統(tǒng)數(shù)量或具有復數(shù)（或集合）意義的名詞或代詞。between主要指兩者之間，其賓語往往是表示兩者的名詞或代詞，或者是由and連接的兩個人或物： 1.He sits_ Jim and Danny.2.There ara four American students _them.betweenamong92.Donuts dont grow on trees.in the tree 一般指外來的東西在樹上，不是樹本身所有，如人、動物等在樹上。 on the tree 通常指樹本身長出的東西，如枝、葉、花、果等。 1.Jack is_ the tree. He cant get down

8、 .2.Shes picking oranges _that tree. 3.He saw a cat _the tree. 4.There are many apples _the tree .inoninon103.Then we can sit under a tree in the shade. in the shade 在陰涼處類似的詞組還有 : in the sun 在陽光下 in the light 在燈光下114.Then the wind and water dont carry the soil away.carry away意為把搬走；拿開;沖走。carry 作動詞意為“

9、搬運、攜帶”。請幫我把這個箱子拿走。一個小男孩把那個大箱子搬走了。Please help me carry the box away.A little boy carried the large box away.125.All plants take energy from the sun and make it into food.makeinto 意為“把 制成 ”。make 后接原材料, into 后接產(chǎn)品，用于主動語態(tài)。其被動形式為be made into.含有 make的其他短語: make friends 交朋友 make noises制造噪音 make money 賺錢 mak

10、e progress取得進步 make up 組成 make sure確信1.他們把玻璃制成瓶子。2.葡萄可以釀成葡萄酒。They make glass into bottles.Grapes can be made into wine.136.Without food, they would have nothing to eat and they would die.Without做介詞，意為“沒有；不?！焙蠼用~代詞或動名詞形式作賓語。它的反義詞是with。Youll get wet if you go out in the rain _an umbrella. She entered

11、the room _ knocking. Plants are important for us,we cannot live_ it.withoutwithoutwithout14Step8 Do some exercise.1._the students,she is the prettiest one. A. Among B. Between C.And D.In2.The strong man carried the little girl_.Herparents were worried. A.On B.away C.back D.out3.He sits _Jim and Dann

12、y. A. among B. between C.and D.in4.Here the workers make wood _desks. A.in B.from C.up D.into ABBD155.All the living things cant live _air or water. A.in B .at C.with D.without6.The wind _the soil_if there are no plants.A.carries;away B.takes;不填C.Will carry;away D.will take;不填7.Look!There is a bird_the tree. A.At B.on C.in D. of8.Many animals live_the tree. A.to B.in C.at D.offDACB16Crazy English. Trees help clean the air.They give us food-like apples,bananas and oranges.We can make and build things with treeslike chairs,beds and houses! We can sit under a tree in the shad