(Passage 2, Lines 1-2, Para. 5)
Scientists have reason to think that a man can put up with far more radiation than 0.1 rem without being damaged;

A.1

【参考答案】


71.科学家有理由相信，一个人能够承受远远高于0.1雷目（rem）的辐射而不受到伤害。