八年级下册：Unit 2《Lesson 8 Why Are Plants Important》ppt大赛获奖课件(冀教版)

Fill in the blanks with the words or phrases.
fill with by the way dust storm
turn into for sure
cover
in the bottom of
dig
large
northern
1. The _d_u_s_t s_t_o_r_m_often happens in the _n_o_r_th_e_r_n_ area.
3. dust storm 沙尘暴 The dust storm often happens in spring. 沙尘暴经常发生在春季 . Cathy wants to buy a scarf to protect herself from the dust storm. 凯茜想买一条围巾 ,以抵挡沙尘暴 .
2. To learn some useful words and expressions to talk about why we need trees.
Words: pleasant, shade, fulfill, basic, soil
Phrases: take energy from… in a word be made from carry away
Learn the words and phrases in Lesson 8. Underline the sentences you don ,t understand on page 20.
Write a passage about your experience of planting trees on Tree Planting Day.
6. in the bottom of … 在…….底部 The bottle is hidden in the bottom of a ton of cotton. 瓶子被藏在一吨棉花的底部 . In the bottom of the river, we can see many beautiful rocks. 在小河的底部 ,可以看见许多漂亮的 石头 .

in the shade 类似短语 in the sun in the light
“在阴凉处”
在阳光下 在灯光下
3. All plants take energy from the sun and make
it into food. make…into… “把…制成…”
例：我们可以把树制成纸. We can make the tree into paper. 我们可以把棉花制成布料. We can make cotton into cloth.
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c
air n. 空气，天空
shade n. 树荫
Read together
nothing pron. 没有东西，没有事情
die
v. 死
（die-died-died, dying）
cover
forest
3 Work in pairs. Think about why we need plants.
Discuss it and fill in the mind map. You can use
some ideas from Activity1.
Food or medicine:______
Exercise
1. All plants take energy ______ the sun and make it ______ food.

6. carry away 把……搬（移）走 The flood carried away the wooden bridge. 洪水把木桥冲走了。 拓展： carry off 轻而易举地完成 carry out 执行 carry forward 发扬，推进
We will carry the enterprise forward. 我们将要推进企业的发展。
3. fulfill v. 达到，实现，执行 We must fulfill the plan, whatever happens. 无论如何要完成计划。
What important dream have you yet to realize and fulfill? 你有什么重要的梦想还没有实现和完成？ fulfill one’s needs 满足某人的需要 The earth help human beings fulfill their basic needs. 地球帮助人类实现最基本的需求。
2. Plants help make the air clean and fresh. 3. Many animals live in the forest.
4. Books, paper, pencils and erasers all come from plants.
5. Animals eat the fruit from the trees.
In a word, I love my school. I find my school life more and more meaningful and colorful. 总之，我爱我的学校，我发现学校生活越 来越有意义和多姿多彩。
3. Why do we need trees ? (1) Clean the air. (2) Sit under a tree in the shade. (3) The trees and plants take energy from

Read the text and answer the questions

.
1. What are Danny, Jenny and Brian doing? They are walking in a forest. 2. Do donuts grow on trees? No, they don’t. 3.Why do we need trees ?
3.Why
do we need trees ? Clean the air. Sit under a tree in the shade. Give us food. Many animals live in trees. Take energy from the sun and turn it into food. people and animals need the food to live. Cover the soil. Make everything look beautiful .
Lesson 8
Why Are Plants Important?
1.Master
some new Words and useful phrases.(短语） Know about the importance of plants.
2.
New words
pleasant adj. 使人愉快的 shade n. 树荫,阴凉处 fulfill v. 达到,执行 basic adj. 基本的,基础的 soil n. 土,土壤
PRACTICE
Choose the best answer. B 1. Apples grow ____trees. A.in B. on C. at D.from 2.There is a bird singing ___ A trees. A.in B. on C. at D.from 3. ____ them to climb such a high D is really hard mountain. A.This; to B.It ; to C.This ; for D.It ; for B 4. —Do you believe that paper is made ___wood? —Yes, I do. And you can see that books are made paper. A.from ; from B.from ;of C.of ; from D.of ; of