慢性肾衰竭晚期钙磷代谢障碍表现为()
A.血磷降低,血钙升高
B.血磷升高,血钙正常
C.血磷正常,血钙升高
D.血磷升高,血钙降低
E.以上均不对
参考答案:D
在信息系统开发过程中,充当技术人员和管理人员之间的沟通渠道的人员是
A.高级程序员
B.业务员
C.计算机技术专家
D.系统分析员
(2014·枣庄模拟)—He should have been warned of the danger.
—________,but he wouldn’t listen to me.
A.So he had
B.So had he
C.So was he
D.So he was