Anjan Contractor believes that the only way that is possible is that the water is removed from all the ingredients (配料) and then they are reduced to the powder form. This, as you can imagine, will not be so easy. But, while the printer may not be ready for space, it certainly looks ready enough for people on earth. Hopefully, NASA and Contractor will consider selling it to those not fortunate enough to go to Mars!
语篇解读:本文是一篇科普说明文。宇航员在太空时,也会有不同的食物需求。最新的研究表明,3D打印技术有望让宇航员们在太空吃上比萨。
12.Why does the author mention the things that astronauts in space cannot do?
A.To ask us not to take common things for granted.
B.To show they live a difficult life there.
C.To show their life is boring in space.
D.To introduce the topic of the text.
解析:选D 推理判断题。根据第一段最后一句可知,使用3D打印技术可以解决宇航员在太空吃比萨的问题。由此可推断出,文章开篇描述几个无法实现的愿望旨在引出本文的话题。故D项正确。
13.NASA offered $125,000 to Anjan Contractor mainly to ________.
A.create some new type of 3D printer
B.attract more companies to work for NASA
C.help astronauts in space enjoy fresh pizza one day
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