简单有效的解除术后急性胃扩张的方法是
A.给予肾上腺皮质激素B.补充氯化钾C.给予新斯的明D.放置胃管E.纠正水和电解质失调
参考答案:D
--- It’s wrong for a student to follow ______ his teachers say.
--- It’s true. I can’t agree ______.
A. no matter what; to much
B. whatever; much
C. no matter what; more
D. whatever; more
铝青铜、黄铜的结晶温度范围很小,具有壳状凝固特性,流动性较好,但容易形成集中缩孔,必须设置较大的冒口,充分()
A.冷却
B.补缩
C.氧化