第11题: [单项选择]It can be inferred from the passage that______. A. the Apollo mission was very successful B. protection from space radiation is no easy job C. astronauts will have deformed children or grandchildren D. radiation is not a threat to well-protected space explorers 参考答案:B 答案解析:推理题。文章第一段中指出宇航服及宇航船不能为宇航员挡住所有的辐射,第二段中指出辐射对人体造成的危害程度很难确定,因为宇航员在接受太空辐射后虽自我感觉良好,但却可能在其第一代甚至第二代后代身上出现畸形,