计算乙肝疫苗接种后血清抗-HBs的阳转率,分母为()。
A.阳转人数
B.易感人数
C.乙肝患者数
D.疫苗接种人数
E.乙肝病毒携带者数
参考答案:D
I can’t stand ______ with Jane in the same office. She just refuses ________ talking while she works.
A.working ; stopping
B.to work ; stopping
C.working ; to stop
D.to work ; to stop
将转向灯开关向下拉,右转向灯亮。