非连续运行的洁净室,可根据生产工艺要求设置值班送风,并应()
A.进行净化处理
B.进行净化空调处理
C.进行空调处理
D.将室外空气直接送人
参考答案:B
—Zhang Lili hardly had time to think of herself before she saved her students, ______?
—No, she didn't. Her action moved all of us. So she is regarded as "The Prettiest Woman Teacher". [ ]
A. didn't she
B. hadn't she
C. did she
抗凝治疗常用的药物有肝素、低分子肝素及华法林等。治疗期间应监测()和凝血酶原时间。