The possibilities of 3-D printing seem endless. All the user has to do is to design(設(shè)計(jì)) an object on the computer and choose a material(材料) to print in. The printers print in hundreds of different materials including glass, sugar and even skin! When the user presses “print”, the 3-D printer spreads the material layer(層) by layer and like magic the object is produced.

The first 3-D printer was invented in 1986 by an American, Charles Hull. But 3-D printing has only become cheap enough recently for most people to use. Designers now use 3-D printing to create unusual things. The Dutch artist Dirk Vander Kooj prints furniture made from old fridges. And doctors have used 3-D printing to print human body parts! The Telegraph reported in February that scientists from Cornell Medical College even printed a man-made ear.

But like a lot of new technologies, if 3-D printing gets into the wrong hands, it can be dangerous. In 2011 a group of four men in the US used 3-D printing to produce ATM skimmers (提款機(jī)盜刷器). These were placed on an ATM and stole over $400,000 from users of the ATM. It is terrible to think that criminals like them might one day use a 3-D printer to print a gun.

But for better or for worse, 3-D printing has been put into use. In a few years, you’ll probably be wondering how you could ever live without your 3-D printer!

【1】 _______ invented the first 3-D printer.

A. Charles Hull B. Dirk Vander Kooj

C. A doctor called Cornell D. Four men in the U.S

【2】What is the correct order for people to use a 3-D printer?

a. Choose a proper material.

b. Press the print button.

c. The 3-D printer spreads the material.

d. Use a computer to design an object.

A. a-b-c-d B. d-a-b-c

C. a-c-d-b D. d-c-b-a

【3】The underlined word “criminals” in the fourth paragraph might mean ______________ in Chinese.

A. 技術(shù)員 B. 軍人 C. 罪犯 D. 用戶

【4】According to the passage, people have NOT yet produced _________ with a 3-D printer.

A. some furniture B. a man-made ear

C. ATM skimmers D. a gun

【5】What does the writer think of the 3-D printer?

A. It is necessary only for our work.

B. It is helpful but dangerous.

C. It is too expensive for most people.

D. It is useless in our daily life.

Today is March 19th. And this term is the last but the most important term of junior high school. It means that there are only about three 【1】 left for us to study at this school. We suddenly feel that time passes so 【2】. We still remember the 【3】 day we came to this famous middle school, but now, two and a half years have passed. Have you ever looked back and thought what you did and learnt in the two and a half years at your school? And how much you have learnt 【4】 teachers, books or in any other ways? To ask yourselves, have you ever 【5】 time? If you say “never”, that’s very good. But if you say “Yes, often”, it is so regretful. But everything has passed anyhow, we can’t get it back, so the only thing we can do is to 【6】 good use of time.

From now on, study hard. It’s not so late that everything can’t be changed yet. Everything is possible if you try your best to do it. Believe that “every man has his value”. Maybe you are good at study, you are good at singing 【7】 you do well in drawing. So I always believe in【8】. It’s very important, I think. Let’s【9】 our best and put our heart into it. Wish you good results in 【10】 last exam.

A. box B. book C. ball D. photos

A. Thanks. B. Good. C. Yes. D. No.

A. from; in B. in; from C. to; from D. in; to

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My life in 20 years

I’m always working hard for a bright future I imagine

A. take his place B. taking his mom

C. taking the place of him D. to take place

—Yes, I am.

A. OK B. too C. and D. excuse

—She is in ____ Six.

A. Class; Class B. Class; class

C. class; class D. class; Class

—I am________ Beijing with my parents.

A. cheering on B. ringing up C. leaving for