Wed like to put this technology(技术) in your hands, he tells kids. Were going to teach you how to operate a satellite. Then we want to turn it over to you as a sandbox for you to play in. We want you to take the technology into new directions that we havent thought of yet.
Education isnt the only goal of CubeSats. Because these tiny, technology-filled boxes are relatively inexpensive to build and can be put together quickly, theyre perfect for testing new technologies that might one day be used on major space tasks.
The biggest challenge now is to find ways to bring the satellites back to the earth after a year or two. Otherwise, major highways of space junk could gradually increase as CubeSats become more common.
Nowdays challenge and high school students are getting a chance to learn what it takes to explore in space. Somedayperhaps a lot sooner than you imagineyou might get to design, build and launch your own satellite. If you do, youre sure to have fun. And you might also get crazy about science for life.
34.Compared 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
35. What does the underlined word obstacle mean?
A. An aim to achieve in the near future.
【09年小升初英语最新模拟试题】相关文章:
最新
2016-03-17
2016-03-17
2016-03-17
2016-03-17
2016-03-17
2016-03-17