食管有3个狭窄部距中切牙分别是()
A.15cm
B.25cm
C.37~40cm
D.20cm
E.30cm
参考答案:A, B, C
针对程序段:IF(A‖B‖C)THENW=W/X,对于(A,B,C)的取值,()测试用例能够满足MCDC(修正条件逻辑判定)的要求。
A.(F,T,T)(T,F,T)(T,F,F.(T,T,F.
B.(T,F,F.(T,T,F.(F,T,T)(F,F,F.
C.(T,F,F.(T,T,F.(F,T,T)(F,F,T)
D.(T,F,F.(F,T,F.(F,F,T)(F,F,F.
异常骨显像根据病灶的数目分为()
A.放射性浓聚和放射性缺损
B.弥漫性和局灶性病变
C.点状、圆形、条形、片状和团块状等
D.单发和多发
E.代谢增高或减低