决定麻风是否发病的主导因素是（）。
A.麻风杆菌的数量
B.麻风杆菌的毒力
C.感染途径
D.机体的免疫状态
参考答案：D
I can ______ some noise while I'm studying, but I can't stand very loud noise.[ ]
A. put up with
B. get rid of
C. have effects on
D. keep away from
方颅多见于
A．3个月以内B．3～6个月C．6个月D．8个月以上E．12个月
