[单选题] Spaceships are stocked with a variety of（）foods.

1、[单选题]一Space travel must be very expensive.
一（）The cost of a seat on the Virgin craft is $ 250,000.

• A、That's not true.
• B、Of course.
• C、Why do you think so?

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2、[单选题]I think the benefits of opening up space far（）the damage that we can see.

• A、outwit
• B、outweigh
• C、outwear

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3、[单选题]This, they argue, will be essential to（）the needs of a booming population in decades to come and avoiding starvation.

• A、meet
• B、meeting
• C、met

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4、[单选题]She's not very optimistic（）the development of 3D printing.

• A、to
• B、about
• C、at

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5、[阅读理解]What would happen to a person if he regularly consume genetically modified food?
A. He would get cold.
B. He would lose some weight.
C. He would have cancer.

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