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---It was invented by Eckert.
3. 爱迪生什么时候发明的电灯？
4. 电脑什么时候被Eckert发明的？
When did Edison invent the light bulb?
When was the computer invented by Eckert?
5. ---木头是用来做什么的？
---是用来做家具的。
---What is wood used for?
---It’s used for making furniture.
6. 英语被当做一门世界语言来用。
English is used as a world language.
7. 你知道薯片是什么时候发明的吗？
8. 你知道神农是意外发明了茶吗？
9. 你认为什么是最有帮助的发明？
Do you know when the potato chips were invented?
Do you know Shen Nong invented tea by accident?
What do you think is the most helpful invention?
10. 茶是世界上最受欢迎的饮料之一。
Tea is one of the most popular drinks in the world.
Tea is one of the world’s most popular drinks.
Blank Filling
Don’t you think computer is one of the greatest i________ in the world?
Now we are in the 21th c______.
Wearing s______ at home is very comfortable.
Don’t throw the used _b______. It’s bad to the environment.
inventions
century
slippers
batteries
5. We use c________ for calculating.