We can no longer ________ to consider water an almost free resource that we can use as much as we like.

A．permit

B．afford

C．expect

D．offer

严重急性酒精中毒者血液透析指征()

A．血乙醇含量108mmol/L

B．伴有酸中毒者

C．同时服用甲醇者

D．同时服用其他可疑药物

E．以上都是