对于湿度H一定的湿空气,总压p一定,干球温度t升高,则露点td()。
A、不变
B、升高
C、降低
D、不确定
参考答案:A
The shoes ________ that he ________ at last.
A.cost so expensive; gave them away
B.took too much; gave them up
C.took such little; gave them out
D.cost so much; gave them up
质量手册是组织质量工作的“基本法”,是组织最重要的质量()文件,它具有强制性质。
A.指导性
B.法规性
C.经验性
D.参考性