气管导管管芯在插入导管后其远端距离导管开口应为()
A.0.5cm以下
B.0.5~1cm
C.1~1.5cm
D.1.5~2.0cm
E.2.0~2.5cm
参考答案:B
—Who did it better, Bill or Henry?
—I think Bill did just ______ Henry.[ ]
A. as well as
B. as good as
C. as better as
D. more badly than
动物疫情必须快报的情形有()
A、发生一类或者疑似一类动物疫病;
B、二类、三类或者其他动物疫病呈暴发性流行;
C、新发现的动物疫情;
D、已经消灭又发生的动物疫病。