题目

This year，he wants to________a flat near his company. A．hire                              B．rent C．take                              D．employ 答案：B13．如图为某种遗传病在两个家族中的遗传系谱．如果5号和8号结婚，其下一代患该病的概率为（　　）A．$\frac{1}{6}$B．$\frac{1}{8}$C．$\frac{1}{9}$D．$\frac{1}{3}$