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)Unit 6 Energy, nature and us
Part A 课后分层练习
【基础达标】
一、单项选择。
( )1. -Where does energy come from? -________
A. It is Monday. B. From the sun. C. In the box.
( )2. We should ________ the lights when we leave.
A. turn off B. turn on C. turn up
( )3. Wind power is a kind of ________ energy.
A. bad B. dirty C. green
( )4. -What can we do to save water? -________
A. Yes, we can. B. Take short showers. C. It is clean.
( )5. There ________ much water on the earth.
A. is B. are C. be
二、根据上下文,写出相应的问句或答句,使对话内容完整、通顺。
1. A: Where does energy come from?
B: ________________________________________________
2. A: ________________________________________________
B: We can turn off the lights.
3. A: Is wind power clean?
B: ________________________________________________
4. A: ________________________________________________
B: We should use less water.
5. A: Thank you for your idea.
B: ________________________________________________
三、根据上下文,选择正确的句子补全对话,并将其字母编号填写在横线上。
Miss Li: ________
Tom: Energy makes things work. It comes from the sun, wind and water.
Miss Li: ________
Tom: Because we use it every day.
Miss Li: ________
Tom: We can turn off the lights and use less water.
Miss Li: ________
Tom: ________
Miss Li: Great! Everyone can help.
Tom: Yes. Let us start today.
A. What is energy?
B. Why is it important?
C. How can we save energy?
D. That is a good idea.
E. Let us start today.
【能力拓展】
四、阅读短文,选择正确的单词填空,使其意思通顺、完整,每空一词,每词只用一次。
energy sun wind water electricity
save off lights green earth
We use ________ every day. It comes from the ________, the ________ and the ________. We use it to make ________ for our homes. We should ________ energy. We can turn ________ the ________ when we leave a room. We can use ________ energy from the sun and wind. Let us protect the ________.
五、阅读短文,选择正确的答案,并将其字母编号填在题前的括号内。
Energy is very important. It makes our machines work and gives us light.
Most energy comes from coal, oil and gas. They are not clean. Wind and solar power are clean and green.
We should save energy. We can turn off the lights and computers when we do not use them. We can also walk or take a bus.
( )1. What does energy do?
A. Makes water. B. Makes things work. C. Makes food.
( )2. Which energy is clean?
A. Coal. B. Oil. C. Wind power.
( )3. Which one is not clean?
A. Coal.
B. Wind.
C. Sun.
( )4. How can we save energy?
A. Use more oil. B. Drive more. C. Turn off lights.
( )5. How can we go to school?
A. Take a taxi.
B. Walk or take a bus.
C. Drive a car.
六、判断下列句子是否正确,正确的在括号里打“√”,错误的打“×”。
( )1. We save energy. ( )2. We should to save.
( )3. Wind power is clean. ( )4. Wind power are clean.
( )5. Turn off the light. ( )6. Turn off light the.
( )7. There is much water. ( )8. There are much water.
( )9. Can we save water? ( )10. Yes, we can.
七、请把三种能源填在表格里,再写一段话谈谈我们为什么要节约能源。
Energy
Where it comes from
Wind power
The wind
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
【参考答案】
一、1. B 2. A 3. C 4. B 5. A
二、1. It comes from the sun.
2. How can we save energy?
3. Yes, it is.
4. What should we do?
5. You are welcome.
三、1. A 2. B 3. C 4. D 5. E
四、energy; sun; wind; water; electricity; save; off; lights; green; earth
五、1. B 2. C 3. A 4. C 5. B
六、1. √ 2. × 3. √ 4. × 5. √ 6. × 7. √ 8. × 9. √ 10. √
七、参考示例:
Energy is very important. It makes things work and gives us light. We get energy from the sun, the wind and the water.
Coal and oil are not clean. Wind and solar power are green. We should save energy and protect the earth.
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