1、Unit 4 The Water Journey Lesson 1 习题
一、句型转换。
1. We should plant more trees to keep the air clean. （改为一般疑问句）
plant more trees to keep the air clean?
2. You should turn off the lights to save energy. （改为一般疑问句）
turn off the lights to save energy?
3. You should cu
2、t more trees.（改为否定句）
You more trees.
4. We should use many plastic bags and plastic bottles.（改为否定句）
We use many plastic bags and plastic bottles.
5. We should save and reuse water.（改为疑问句）
save and reuse water.
二、单项选择。
1. --- What _____
3、we do to save energy?
--- We should not drive so much.
A. keep B. should C. makes D. cans
2. --- How should we save plastic bags and bottles?
--- We should more paper bags and glass bottles.
A. use B. uses C. can D. keeps
3. We wood make table
4、s chairs and many other things.
A. use; and B. uses; to C. use; to D. uses; for
4. We cut too many trees because trees help us keep the air clean.
A. should B. should not C. can D. keep
5. There is not much coal or oil on , so we save energy.
A. earth; should B. Earth; should not C. Earth; should D. earth; should not
答案
一、句型转换。
1. Should, we
2. Should, you
3. Should, not, eat
4. should not
5. Should, we
二、单项选择。
1. B 2. A 3. C 4. B 5. C
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