While the pie in the video looks delicious enough to attract any pizza lover，Anjan

　　Contractor is far from ready for astronauts.That’s because he still has to find a solution to make the food container in the printer last for 30 years.Though that may sound unrealistic，actually it is not.

　　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.

　　2．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

　　D．produce pizza in large quantities to earn great profits

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