口服可以导泻的药物是
A.氢氧化铝凝胶B.硫酸镁C.西咪替丁D.奥美拉唑E.枸橼酸铋钾
参考答案:B
People usually think tigers are _____ scary.[ ]
A. kind
B. kinds of
C. a kind of
D. kind of
脉冲澄清池是一种()泥渣层澄清池,它是()性进水的。
A.沉淀,连续
B.悬浮,间歇
C.沉淀,间歇
D.悬浮,连续