[A] perceiving
[B] watching
[C] arranging
[D] studying
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This text centers on__________
[A] the success of an enterprise
[B] the application of a technology
[C] the market share of Samsung's WCTG
[D] the mass-production of a home appliance
It can be inferred from Paragraph 2 that human society will become increasingly
[A] worried about life on other planets.
[B] dependent on space tourism.
[ C] accustomed to long-distance flights.
[D] associated with space exploration.