该例收住院后的紧急措施首选
A.利血平肌注
B.二氮嗪静脉注
C.硫酸镁肌注
D.硫酸镁静脉滴注
E.硝普钠静脉滴注
参考答案:B
Mrs. White showed her students some old maps _____ from the library. [ ]
A. to borrow
B. to be borrowed
C. borrowed
D. borrowing
撤消防护的显示方法为()
A、一长两短声
B、两长一短声
C、一短一长声
D、一长一短声