正常成人(男性)脾脏厚径超声测量标准()
A.<4cm
B.<5cm
C.<6cm
D.<7cm
E.<8cm
参考答案:A
在Visual FoxPro中,基类的最小事件集包含的事件是( )。
A.i = w;
B.i = b;
C.i = p.a;
D.i = t.b;
Kate met a lot of problems _____ she was going over her lessons. [ ]
A. before
B. as soon as
C. until
D. while