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!
1.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.
答案 D [推理判断题。文章是介绍一项可以为宇航员提供“打印披萨”的技术可能性,因此现在无法做到的是为了引出下文。因此选D。]
2.NASA offered $125,000 to Anjan Contractor mainly to ________.
A.create some new type of 3-D printer
B.attract more companies to work for NASA
C.help astronauts in space enjoy fresh pizza one day
D.produce pizza in large quantities to earn great profits
答案 C [细节理解题。由“About a year ago,NASA offered $125,000 to Anjan Contractor,a 3-D technology expert,to build a device(设备)that would allow astronauts to make pizza on demand.”可知,美国宇航局提供的125 000美元是为了开发出向宇航员们提供新鲜披萨的技术。故选C。]
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