断电保护和自动装置应满足( )和速动性的要求,并应符合其他规定。
A.可靠性;
B.广泛性;
C.选择性;
D.灵敏性。
参考答案:A,C,D
--- _____ Tracy was in such a hurry ?
---I don’t know.She might have been running to catch the bus.
A.Why do you think
B.Why you think
C.Do you think why
D.Why not think
某患者,27岁,已婚,近1周来白带增多、稠厚呈凝乳状,伴外阴瘙痒。
下列哪一项检查患者必须做()
A.双合诊
B.外阴视诊
C.取 * * 分泌物悬滴法检查
D.三合诊
E.直肠一腹部诊