对手术进行中因蒸发而丢失的体液一般选用以下哪种液体补充()
A.平衡盐液
B.代血浆
C.10%GS
D.生理盐水
E.以上均是
参考答案:A
– I’m leaving for Beijing next week.
– How long ______ there?
A.have you stayed
B.are you staying
C.had you stayed
D.did you stay
绑扎高度超过4m的圈梁、挑檐钢筋时,必须搭设______,不得站在______进行操作。