单选题 Women have significant advantages over men in space because they need less food and less oxygen and they ______ radiation better.
A. stand up to B. stand in for C. stand up for D. stand in with

【正确答案】 A

【答案解析】[解析] A项“stand up to勇敢地抵抗，经得住”符合题意。其他三项“B项stand in for加入，参加，代替；C项stand up for拥护，辩护；D项stand in with帮助；分担”都不正确。本题的空格处是说女人更能抵抗辐射。因此A项为正确答案。