晚期妊娠双顶径测量误差范围是
A.2~3mm
B.4~5mm
C.6~7mm
D.8~9mm
E.5~6mm
参考答案:A
—Is that _____ friend?
—Yes, _____. [ ]
A. your; it isn't
B. he; it's
C. our; it is
D. her; it isn't
段内转移指令执行结果要改变IP,CS的值。()