内容正文:
Unit 6 Electricity everywhere
Section 3 Expressing and communicating ideas配套练习
一、用所给词的适当形式填空。
1. Follow the teacher’s ____________ (instruction) carefully to complete the task correctly.
2. The computer is ____________ (connect) to the Internet, and after a while we can start our class.
3. We use different _________ (device) like computers and tablets for our classwork.
4.If there is a fire, it is important for us to act quickly and ________ . Our school teaches us about fire _________ rules so we can stay __________ when we hear alarms(警报)and leave buildings in time. (safe)
二、选词并用其适当形式填空。
(
they connect produce correct hand
)
5. The farm __________ fresh vegetables and fruits that we eat every day.
6. I ___________ with my old friends on my birthday party at home last week.
7. She wrote all the answers _________ on the test paper.
8. Please wash your ________ before eating lunch.
9. I will share my balls with _______ during the playtime at school.
三、根据句意,在空白处填入一个适当的单词。
10. _________ it rains tomorrow, we will stay at home.
11. She cut the paper ___________ a knife to make a beautiful card for her mom.
12. We need to water the plants _________ the sun gets too hot in summer.
13. I study hard every day _________ a better future and to reach my dreams.
14. Elephants are very big animals _________ the world and live in groups.
四、根据汉语意思完成句子。
15. 当下雨时,他开车很小心。
He drives ________ when it is raining.
16.关闭电器设备以节省能源并在家中保持安全。
Turn off ____________________ to save energy and stay safe at home.
17. 在你外出前确保关好门和窗户。
__________ of closing the door and windows before you go out.
18. 看看这些例子来帮助你轻松地学习。
____________________ to help you learn easily.
19.这些应用程序用于和朋友聊天是安全的。
These apps are ______________ for chatting with your friends.
五、补全对话。
A: Hi, Li Ming. Did you have a good vacation?
B: Yes, I did.
A: 20.____________________________ ?
B: I went to a museum.
A: A museum? 21.__________________________________ ?
B: Yes, there are. First, we can’t take photos.
A: 22._____________________________ ?
B: Yes, we have to be quiet.
A: Are there any other rules?
B: Yes. 23.________________________________________
A: Can you take your bag with you?
B: Sure.
A: Thank you for telling me so much.
B: 24.______________________
六、短文还原(有两项多余)。
We all know the sun is important. It gives sunshine to plants, animals and people on the Earth. 25._______ It’s the Sun’s energy. It makes life on our earth possible.
Energy from the Sun is called solar energy.
26.________ They built houses with windows so that the sunlight could get inside and make them warm.
We can also turn the Sun’s light into electricity. It has something to do with solar panels(太阳能电池 板).27________
But what happens when it is cloudy or rainy? Solar panels cannot collect energy from sunlight on cloudy and rainy days. 28.________ Because solar panels have batteries in them to keep electricity.
At the same time, solar energy is good for the environment. 29._________ And we can’t use it up. So we should try our best to find more good ways to use it in our life.
(
A. They collect energy from sunlight to make electricity.
B. It will not pollute the air and water.
C. But how does the Sun do that?
D. People started to use solar energy many years ago.
E. It can produce electricity from water.
F. You can do many things to protect the environment.
G. We needn’t worry about it.
)
参考答案
一、1. instructions 2. connecting 3. devices 4. safely;safety; safe
二、5. produces 6. connected 7. correctly 8. hands 9. them
三、10. If 11. with 12. before 13. for 14. in
四、15. carefully 16. electrical appliances 17. Make sure 18. Look at the examples 19. safe to use
五、20. Where did you go
21. Are there many rules in it/the museum
22. Do you have to be/keep quiet
23. We mustn't eat/drink in the museum/We can't run around/We must keep the museum clean
24. You're welcome
六、CDAGB
(
1
)
学科网(北京)股份有限公司
学科网(北京)股份有限公司
$$