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- 31Compared with the traditional ones, the new satellites ____.
A.need long start-up times
B.are low-cost and small-sized
C.are very hard to operate
D.collect more information in orbit
开始考试练习点击查看答案 - 32What does the underlined word “obstacle” probably mean、
A.An aim to achieve in the near future.
B.An imagination that kids usually have.
C.Something dangerous to terrify people.
D.Something difficult that stands in the way.
开始考试练习点击查看答案 - 33According to the passage, which of the following is true、
A.CubeSats could possibly cause pollution in space.
B.A few kids will send applications for the project.
C.Scientists designed CubeSats for kids to play with.
D.Students can’t design satellites without college education.
开始考试练习点击查看答案 - 34What’s the purpose of the author writing the passage、
A.To show that high technology brings a big change in kid’s life.
B.To show that kids lead the space research into a new direction.
C.To tell us that satellite technology can also be learned by kids.
D.To tell us that kids must study hard to learn satellite technology.
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