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 detormed children or grandchildren D.radiation is not a threat to well-protected space explorers
A.A.the B.protection C.astronauts D.radiation
【参考答案】
B 解析：根据文章最后一句“Drugs might help to decrease the damage do......