关键工序确定原则是()。
A.设计输出文件规定的关键特性
B.工艺难度大,质量波动大,合格率低
C.生产周期长,原材料贵重,一旦出现质量问题损失大
D.以上都是
参考答案:D
We should realize that there are other things that society should value besides high marks, _____ honesty and responsibility.
A.for example
B.namely
C.such as
D.that is
心力衰竭合并室性心律失常,首选用药是()
A.胺碘酮
B.异搏定
C.慢心律
D.利多卡因
E.美托洛尔