The lock is used locking the door.A. as B. for C. to D. by 题目和参考答案——青夏教育精英家教网—

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3. The lock is used___________ locking the door.

A. as B. for C. to D. by

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An invention in front of your eyes

What is the most important invention? Is it the written word that helps us to record information? Is it the telephone that lets us talk to people from all over the world? Is it the car that lets us travel at a great speed to meet others? Umberto Eco, an Italian writer ， thinks it is something quite different. He says the most important invention might be right in front of your eyes. He is talking about a simple pair of glasses.

Modern eye glasses were invented around 1,000 years ago. They were more than just a convenient way to read. Before glasses were invented, writers, scientists or teachers who could not see properly had to memorize everything. After about ten years of poor eyesight, they could not remember well enough and could not work. Glasses meant that people could work in their old age.

The old people who wanted to remember some information could write it down and read it. Eye glasses are one of the world's greatest inventions and were probably worn by the people who designed the first telephone and car.

1. The invention of the written word is important because_________ .

A. we need it to listen

B. we need it to record information

C. we just need it to read

D. we need it to see things

2. The author thinks __________ is the greatest invention of all time in this passage.

A. the telephone

B. the car

C. a simple pair of glasses

D. the paper

3. Before glasses were invented, writers, scientists and teachers who could not see clearly had
to________ .

A. memorize everything

B. write down everything

C. read everything

D. be taught by others

4. What happened after glasses were invented?

A. People could not remember well enough.

B. People could not write down anything.

C. People could write down some information and read it.

D. The young people can't use them.

5. From this passage, we can know

A. modern eye glasses were invented 100 years ago

B. people who designed the first telephone and car probably wore eye glasses

C. the author of this article is American

D. the author of this article is Chinese

2. Don't add salt to it. It is s____________ enough.

5. Look! The water is____________ (煮沸).

4. 但是那时拉锁并没有被广泛应用。

But ________ ________ ________ ， the zipper wasn't used widely.

3. It's a _________ (use) book. You'd better read it carefully.

3. 你的汽车哪里生产的？

____________ __________ your car__________ ？

5. I like the__________ (款式)of the sweater.

4. Chinese tea is good ______ our health.

A. for B. at C. with D. to

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