五行中具有"从革"特性的是
A．木
B．火
C．土
D．金
E．水
参考答案：D
According to the author, a very few home remedies are ______.
A．useless
B．harmful
C．pleasant
D．effective
下列不能作为肿瘤标志物的是
A．AFPB．CEAC．PSAD．CAl25E．ENA
