某理想气体经历了一个内能不变的热力过程,则该过程中工质的焓变( )。 A.等于零 发布时间:2019-04-11 01:27 │ 来源:www.tikuol.com 题型:单项选择题 问题: 某理想气体经历了一个内能不变的热力过程,则该过程中工质的焓变( )。A.等于零 B.大于零 C.小于零 D.等于1
题型:单项选择题 Her father _______ in the USA for another year, so that she could work toward her master’s degree.A.agreed her to stayB.hoped her to stayC.approved of her stayingD.let her staying 查看答案