题目内容:
Itispredictedthatpeoplewhowillliveonotherplanetswouldhaveto__________.
A.appreciatetheharshconditionstheyencounterthere B.dependonthenaturalresourcesavailablethere
C.takemostdailynecessitiesalongwiththem
D.engageinscientificresearch
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答案解析: