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电大开大理工英语形考任务单元自测4[答案]单选题答案
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— Do you prefer a portable or a clumsy 3D printer?
正确答案:--------
— .
选择一项：
A.
No, a portable 3D printer is more useful.
正确答案:--------
B.
Yes, I would not have a clumsy one.
正确答案:--------
C.
I prefer a portable one to a clumsy one.
试题 2
还未作答
满分10.00
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— What do you want to be?
正确答案:--------
— .
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.
正确答案:--------
试题 3
还未作答
满分10.00
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— 3D printing is one of the latest technological innovations.
正确答案:--------
— ____ Maybe its functions are questionable.
选择一项：
A.
Really?
B.
Exactly.
C.
I think so.
试题 4
还未作答
满分10.00
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Touch- ____ 3D maps help the blind too much.
正确答案:--------
选择一项：
A.
responsive
B.
speaking
C.
listening
试题 5
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满分10.00
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Someone invented the 3D printer many years ago, ____ I don’t remember who.
正确答案:--------
选择一项：
A.
so
B.
but
C.
only
试题 6
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满分50.00
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电大开大理工英语形考任务单元自测4[答案]多选题答案
（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.
正确答案:--------
正确答案:--------
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.
正确答案:--------
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.
正确答案:--------
1. Where was the baby duck hatched out?
正确答案:--------
A. In a college biology lab.
B. In a back yard.
正确答案:--------
C. In Noacopy Company.
2. What was wrong with the baby duck?
正确答案:--------
A. It didn’t survived.
正确答案:--------
B. It was born with a backward left foot.
正确答案:--------
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?
正确答案:--------
A. No, because ABS plastics were not flexible enough.
B. Yes, but it could only be produced by Novacopy Company.
正确答案:--------
C. Yes, because it was made of silicone.
正确答案:--------
4. How long did it take to create a permanent prosthesis for the duck?
正确答案:--------
A. 10 hours.
B. 13 hours.
C. 30 hours.
5. What did the last sentence of this passage indicate?
正确答案:--------
A. 3D technologies can be used only for human application.
正确答案:--------
B. 3D technologies can be used only for foreigners.
正确答案:--------
C. 3D technologies can be used to human, animals and other medical treatments.
正确答案:--------
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