— Do you like that technology exhibition? — Yes, I like it very much. . 选择一项：
A. It finally comes true.
B. It shows me the impressive magic power of 3D printing. C. It is a good chance.
题目2
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— What do you want to be? — . 选择一项：
A. I want to have a cup of coffee. B. I want to be honest.
C. I would study computer science than dancer.
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— 3D printing is one of the latest technological innovations. — ____ Maybe its functions are questionable. 选择一项：
A. Really? B. Exactly. C. I think so.
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She's not very optimistic ____ the development of 3D printing. 选择一项：
A. to B. about C. at
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Someone invented the 3D printer many years ago, ____ I don’t remember who. 选择一项：
A. so B. but C. only
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二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。 （课外资料）
In the grass, a baby duck was hatched (孵化) out in a college biology lab with a backward left foot. At the time, it probably wouldn’t have survived, if Mike Gary didn’t recommend a proper operation to cut off that bad foot.
Months after the healing process, engineers at Novacopy Company produced a 3D printed model that would be used to create a prosthetic (修复的) foot for the duck. Considering that ABS plastics were not flexible enough for this type of exercise, the
Novacopy company made a three-dimensionally modeled foot made of silicone, with the hope to create a permanent prosthesis(假肢) for the duck.
It took just 13 hours to produce. This 3D prosthesis demonstrated the 3D technologies can be used not only for human application, but also in foreign subjects such as animals and other medical treatments.
1. Where was the baby duck hatched out?回答 A. In a college biology lab. B. In a back yard.
A C. In Noacopy Company.
2. What was wrong with the baby duck?回答 A. It didn’t survived.
B. It was born with a backward left foot. C. Mike Gary cut off that bad foot.
3. Could ABS plastics be used to produce a 3D printed model that would be used to create a prosthetic foot for the duck?回答AB A. No, because ABS plastics were not flexible enough. B. Yes, but it could only be produced by Novacopy Company. C. Yes, because it was made of silicone.
4. How long did it take to create a permanent prosthesis for the duck?回答 A. 10 hours. B. 13 hours. C. 30 hours.
5. What did the last sentence of this passage indicate?回答BB A. 3D technologies can be used only for human application. B. 3D technologies can be used only for foreigners.
C. 3D technologies can be used to human, animals and other medical treatments.
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