同时测定下列哪种血清酶有助于鉴别ALP升高的来源（）
A.ACP
B.AST
C.CK
D.LD
E.GCT
参考答案：E
对于一次函数y=kx+3，如果y随x的增大而增大，那么k需要满足的条件是______．
The pregnant woman is about to give birth to a baby, so we'd better________a doctor immediately.[ ]
A. send in
B. send off
C. send for
D. send away
