灰眼睛
幼苗
共回答了20个问题采纳率:100% 举报
William K.Douglas,who was the flightsurgeon for the seven original Mercuryastronauts,interviewed at least one as-tronaut from each of NASA ts mannedspace-flight programs (excluding shuttlemissions),gathering a wide variety Of opin-ions of such topics as health,food,clothing,morale,personal hygiene,Psychologicalsupport,and chain of command.
1年前
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