硫唑嘌呤属于下列哪一类药（）
A.A类
B.B类
C.C类
D.D类
E.X类
参考答案：D
Now that their parents are dead, the poor boy doesn’t know ________ the money they left.
A．how to do with
B．what to do with
C．to do what with
D．how he will do with
分布于腹腔的浆膜层上皮为
A．复层鳞状上皮B．假复层柱状上皮C．间皮细胞D．移形上皮细胞E．单层立方上皮
