在项目可行性研究阶段,为保证安全,应做到以下哪些方面的要求()
A、应用性
B、系统性
C、预见性
D、优越性
E、广泛性
参考答案:A, B, C
—There aren't enough snacks for the party. Did you buy ______?
—No, I didn't. I bought everything they had in the shop. [ ]
A. little
B. less
C. more
D. most
采用以下方法治疗高血钾症哪项不合理()
A.静脉注射葡萄糖-胰岛素
B.静脉滴注5%NaHCO
C.腹腔透析
D.降低呼吸频率
E.5%氯化钙