磺胺类药物的主要不良反应有()
A.听力下降
B.泌尿系统损伤
C.抑郁
D.皮疹
E.肝功能减退
参考答案:B, D, E
A.Because it did not shoot far.
B.Because it did not bend easily.
C.Because it was too heavy.
D.Because its string was short.
8名新生儿的身长(cm)分别为58,50, 51,52,54,55,54,53,其中位数为
A.53.5B.54C.53D.52E.54.5