单选题 15.  In general, the effects of radiation can be divided into those which affect the individuals exposed and those which affect their ______.
【正确答案】 B
【答案解析】 A.连续;B.后代;C.血统;D.继承。原句意思是:总体来说,辐射的影响可以分为对个人直接的影响和对后代的影响。