随年龄变化最明显的酶是（）
A.ALT
B.AST
C.ALP
D.LD
E.CK
参考答案：C
According to experts, houses with good ______ to the shops and schools can resist the decrease in the prices.
A．access
B．convenience
C．choice
D．value
正常肝脏超声表现，错误的是（）
A.中等回声
B.光点细小，分布均匀
C.肝内门静脉、肝静脉显示清晰
D.门静脉为离肝血流
E.肝静脉为离肝血流
