天癸的至与竭与下列哪一脏的盛衰最关重要（）
A.肾
B.肝
C.脾
D.心
E.肺
参考答案：A
Johnny, _____ into a poor family, had only three years of schooling.[ ]
A. having born
B. born
C. being born
D. be born
已知9m·27m﹣1÷32m的值为27，则m=（ ）．
