浮选机的一般结构:浮选槽箱、()、()、煤浆液面调整机构.放矿机构和尾矿箱机构。
参考答案:搅拌机构、刮泡机构
中心静脉压正常,血压低,说明心功能不全或血容量不足,应做()。
A.充分补液
B.适当补液
C.给强心药,纠正酸中毒舒张血管
D.舒张血管
E.补液试验
The world champion is only 13 years old, but nobody treats him _____ a child; people treat
him ____ respect. [ ]
A. like; of
B. as; with
C. like; as
D. as; as