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