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1、課題】：Lesson13 Why Are Plants Important 【課型】：New 【課前預習】 教學目標：

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3、 一．熟讀并掌握本課的四會單詞 air pleasant among shade energy die he

4、at bamboo kilogram 二．掌握以下短語 英漢互譯 1.我們需要它們的原因?? 2. 做……是令人愉快的 3.幫助凈化空氣 4. 在陰涼處 5. 在樹上 6. 把…搬走 7.把…制成… 8. 許多 9. 十八公斤的竹子 10. 這個問題的三個答案 三．朗讀課文，理解下列重點句子，并把他們譯成漢語 1. Trees help clean t

5、he air. 2. It’s pleasant to walk among the trees. 3. Let’s talk about trees and the reason why we need them. 4..We make books from trees. 5. Then we can sit under a tree in the shade. 6. I need food to live. 7. All plants take energy from the sun and make it into food. 四．知識點預習 1. Trees help

6、clean the air. It’s pleasant to walk among the trees.樹有助于凈化空氣，走在樹叢中很愜意。（1）pleasant和pleased作形容詞均表示令人中意和愉快的意思，pleasant指使人覺得好玩、有趣、舒服；而pleased只用于人不用于物，指某人滿足了自己的愿望而感到高興，一般只做表語。例如：I am very pleased you’ve decided to come.你決定來我很高興。 （2）among一般指“在三者或在三者以上之中”;between指“在兩者之中” 例如She is sitting Jane and

7、Mary. She is sitting the children. 2. Donuts don’t grow on trees.面包圈不長在樹上。 on trees意思是在樹上，亦可表達為on the tree,指的是樹上本身的東西，即長在樹上;而in the tree也表示在樹上，但它所指的是外來的東西，不是樹本身的東西。例如： There are some birds in the tree. 樹上有幾只鳥。 There are many apples on the tree. 樹上有很多蘋果。 3.Then we can sit under a tree in th

8、e shade. 那時我們可以坐在樹底下的陰涼里。 in the shade是介詞短語，“在陰涼處”類似詞組有：in the sun在陽光下 in the light 在燈光下 4. All plants take energy from the sun and make it into food.所有的植物都從太陽那里得到能量，然后把它轉化為食物。 make…into… 把。。。制成。。。 We can make the tree into paper. be made from/of be made by be made i

9、n 5.Without food,they would have nothing to eat and they would die.如果沒有食物，他們就會因為沒有東西吃而死去。without是介詞，“沒有”的意思。 He went to school without breakfast.他沒有吃早飯就去上學了。 He left without saying goodbye.他沒有說再見就走了。 【練案】 1. The doctor can save _____ people. A. die B. dead C. dying D.

10、 death 2. Nothing_____ difficult if you put it into heart. A. is B. are C. am D. have 3. That is a ____ trip and all the people are_____ . A. pleased, pleasant B. pleasant, pleased C. please, pleased D. pleased, please 4. The teacher stands_____ the students. A. between B

11、. among C. up D. to 5. Find the answer _____ this question. A. of B. to C. in D. at 6. Are there a lot of_____ where you live? A. apples tree B. apples trees C. apple trees D. apple tree 7.We can make chairs_____ trees. A. from B. with C. for D. at 8.The hea

12、vy rain can ____ the soil_____. A. carry, from B. carry, away C. carry, at D. carry, of 9. I have nothing_____ . A. say B. says C. to say D. saying 10. Why_____ plants important? A. is B. are C. do D. does 三．連詞成句 1. food need to I live . 2. that knows everyone . 3. would would eat die they they food nothing without have to and .