室内给水引入管当管径小于75mm时，采用（）
A.给水铸铁管
B.镀锌钢管
C.非镀锌钢管
D.镀锌无缝钢管
参考答案：B
“I’m taking a long vocation. I’m going to the Great Wall.”
“ _______ .When are you leaving？”
A．Don’t wait.
B．That sounds nice.
C．Have a good time in Hong Kong.
D．That’s too bad.
化疗药物外溢皮下引起皮下组织肿胀处理不正确的是（）.
A.立即冷敷
B.立即热敷
C.局部用生理盐水封闭
D.局部用1/6N硫代硫酸钠封闭
E.立即停药
