提高决策系统的创新能力,应该做到()。
A.思考多种决策方案供选择
B.充分利用知识基础设施
C.创新决策方法
D.充分利用信息技术
参考答案:B, C, D
用适当的介词填空。
1. His show made quite an impression _____ the audience.
2. The teacher impressed us _____ his sense of humour.
3. The teacher impressed his sense of humour _____ us.
少尿型肾衰竭是指()
A.尿量<50ml/d
B.尿量<100ml/d
C.尿量<400ml/d
D.尿量>800ml/d
E.尿量>1000ml/d