The passage is mainly about ______. [br] Which of the following is consistent wi

游客2023-09-17  21

问题 The passage is mainly about ______. [br] Which of the following is consistent with the passage?

选项 A、Current rockets are vulnerable and unstable.
B、New propulsion system has been developed.
C、People consider laser beams as a possible solution to developing new propulsion system.
D、At present, nuclear energies can be used in propulsion systems.

答案 C

解析 细节题。根据第三段第三句“另一些则是利用核动力或者是借助激光射线的力量产生动力。”可知C“人们将激光束作为一种可能的解决方法来研制新的推进系统”与原文相符。
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