Java本身的编译器用 ______ 语言编写，运行系统的虚拟机用 ______ 语言实现，这样Java系统本身也具有可移植性。
参考答案：Java C
She can hardly write her own name, _____?[ ]
A. can she
B. can't she
C. need she
D. needn't she
试述肾组织学活检的适应证。
