16 According to this passage, when is the first tourists-carrying shuttle scheduled to launch into space?
(A) Late 2014
(B) Early 2015
(C) Late 2015
(D) Early 2016
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16根據這段經文,什麼時候是第一批載運航...
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With spacecraft that...
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在行车时绿灯表示通行。在其它情况下,如果...