Lesson 8 Why Are Plants Important?
Ⅰ.用方框中所给单词的适当形式填空
shade， soil， fulfill， pleasure， basic
1．Food and water are our ________ needs.
2．Grandpa likes having some tea in the ________ in summer.
3．My parents hope I will have a ________ trip.
4．I planted a young tree in the rich ________. I hope it can grow up quickly.
5．The students work hard to ________ their dreams.
Ⅱ.用适当的介词填空
6．People can use plants ________ many ways.
7．Can you see the kite ________ the tree?
8．Medicine is made ________ trees and plants.
9．Dictionaries are important ________ the students.
10．Everyone can't live ________ plants.
Ⅲ.单项选择
( )11. Maria is always full of ________ because she takes exercise every day.
A．energy B．talent
C．humour D．wealth
( )12.Trees can stop the wind and water from________ the soil away.
A．bringing B．talking
C．going D．carrying
( )13.Come and sit ________ the shade. It's very hot today.
A．in B．under
C．on D．at
( )14.—Dad, can I do ________ much work in ________ a short time?
—Dear, I think you can.
A．so; so B．such; so
C．so; such D．such; such
Ⅳ.根据汉语意思完成句子，每空一词
15．总之，你应该多做些家务。
________ ________ ________， you should do more housework.
16．和朋友们聊天很愉快。
________ ________ ________ chat with friends.
17．红叶让这棵树看起来很漂亮。
The red leaves ________ the tree ________ very beautiful.
18．人们可以把植物当作药来使用。
People can ________ plants ________ medicine.
Ⅴ.词语运用
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
All living things on the earth depend on(依赖) each other. At the same time, they all need
19.________(sunlight). But only plants can turn sunlight 20.________ food. Plants make food from
sunlight, water and things in the soil and air. They also help to clean the air. Plants 21.________(be)
important to people. They help us fulfill 22.________(we) basic needs. So we should plant plants.
There are some steps for 23.________(plant). 24.________(one), we dig a hole and make sure it is large
enough to hold the roots of the seedlings. Then put the seedlings inside, cover the roots and
25.________(full) the hole with dirt. We must take care of the plants very 26.________(good),
27.________ they will die.
In 28.________ word, it's pleasant to plant. We should plant many plants around us.
Ⅵ.补全对话(有两项多余)
(T＝teacher, S＝student)
T: Look at the screen! Here are some flowers that grow in our school. 29.________
S: Trees.
T: Oh, thank you. 30. ________
S: Because they give us shade and they can also give us clean air to breathe(呼吸)．
T: 31.________ They give us many things we need to fulfill our basic needs.
S: Miss King, may I ask you a question?
T: No problem.
S: 32.________
T: Because they take energy from the sun with the help of leaves. By the way, when is Tree Planting
Day in our country?
S: It's March 12.
T: That's right. 33.________ Now please open your books and let's learn something about plants.
A．That's true.
B．Why do we need trees?
C．What grows near your home?
D．Many things are made from plants.
E．Things are getting better and better.
F．We should plant more trees to live better.
G．Why do trees or other plants need to have leaves?
答案
Ⅰ.1.basic
2.shade
3.pleasant
4．soil
5.fulfill
Ⅱ.6.in
7.in
8.from
9.to
10.without
Ⅲ.11.A 句意：玛丽亚总是精力充沛，因为她每天都锻炼。energy 意为“精力；活力”；talent 意为“才
能”；humour 意为“幽默”；wealth 意为“财富”。故选 A。
12．D
13.A
14．C so 和 such 都表示“如此，那么”。区别在于 so 接形容词或副词；而 such 接名词；但表示“如此
多/少”时，用 so，即“so＋many/much/few/little＋n.”。故选 C。
Ⅳ.15.In a word
16.It's pleasant to
17．make; look
18.use; as
Ⅴ.19.sunlight
20.into
21.are
22.our
23.planting
24.First
25.fill
26．well
27.or
28.a
Ⅵ.29—33 CBAGF
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