Unit 2 Plant a Plant!
课时分层训练(七)
[Lesson 7]
Ⅰ.根据句意及首字母或汉语提示完成句子
1．I pulled the plant up by the r________．
2．Each year dust s________ blow a lot of soil off the land.
3．Please f________ the bottle with sugar.
4．I waited for them at the b________ of the hill.
5．The girl c________ her face with her hands and cried.
6．They have a beautiful house with a ________ (大的) garden.
7．To plant the tree, we must dig a threefootdeep ________ (洞)．
8．The ________ (脏的) water from the factory polluted the river.
Ⅱ.用所给单词的适当形式填空
1．All of the students are ________(dig) a hole now.
2．Please remember ________ (call) me when you get there.
3．Shenyang is one of the ________ (north) cities in China.
4．It's a great way ________ (learn) English.
5．Many people are ________ (worry) about the environment.
Ⅰ.单项填空
( )1.—What do you think of Liu Huan?
—Oh, he is my favourite singer. I think no one can sing ________．
A. good B．well C．better D．best
( )2.—I think it's very important to protect our environment.
—________. And each of us should take part in the activity.
A. Make sure B．Exact
C．For sure D．I don't think so
( )3.Welcome to China. ________， where are you from?
A. By the way B．On the way
C．In the way D．This way
( )4.—The bag is too heavy to carry. What's in it?
—Oh, I ________ it ________ books.
A. am filled; with B. am full; of
C. filled; with D. filled；of
( )5.The hall is ________ to hold 1，000 people.
A. enough tall B. tall enough
C. enough big D. big enough
Ⅱ.阅读理解
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Deserts do not stay the same size. Sometimes they grow bigger. Sometimes they get smaller. The world's biggest desert, Sahara, is in Africa. Right now, the Sahara desert is growing fast.
Why is the Sahara growing? In some places, people farm too much. In other places, animals eat all the grass, or people cut down the trees. This makes the soil(土壤) weak. Weak soil lets the desert grow.
Why is it a problem? People cannot grow food in the desert. People cannot build houses, hospitals, or schools in the desert. So people must leave their homes. They must live somewhere else.
What can people do? They can plant trees. They can also farm less. These things make soil stronger. Maybe the Sahara will stop growing. It's a big problem. Many people must work together to solve(解决) it.
( )1.What is the main idea?
A. The Sahara desert is in Africa.
B．Farming too much makes the soil weak.
C．Big problems are caused(引起) by the growing Sahara desert.
D．Planting trees will help the world.
( )2.The Sahara is growing. Which of these things is not a reason?
A. Building houses.
B．Farming too much.
C．Animals eating the grass.
D．Cutting down trees.
( )3.What do we know about deserts?
A. Their size never changes.
B．They are caused by people.
C．They can make trouble for people.
D．They are all in Africa.
( )4.Planting trees can ________.
A. make the soil weaker
B．help people farm less
C．be good for the soil
D．make the Sahara grow
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详解详析
课内基础自测
Ⅰ.1.roots 2.storms 3.fill 4.bottom
5．covered 6.large/big
7．hole 8.dirty
Ⅱ.1.digging 2.to call 3.northern
4．to learn 5.worried
课后巩固提升
Ⅰ.1.C
2．C
3．A
4．C fill…with…是固定搭配，故选C。
5．D enough修饰形容词或副词时，要放在被修饰词的后面，由句意可知用big，故选D。
Ⅱ.1—4 DACC
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