汽车空调采用独立热源式采暖系统,下列说法中正确的是().A.加热工质是导热油 B.加 发布时间:2017-07-31 03:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 汽车空调采用独立热源式采暖系统,下列说法中正确的是().A.加热工质是导热油B.加热工质只能是水C.采暖系统的工质水道可与发动机冷却液管道相通D.热效率高功耗省
题型:单项选择题 On Sundays there were a lot of children playing in the park, and _______ parents were seated together joking.A.theirB.whoseC.whichD.that 查看答案