溴化锂吸收式制冷机中,溴化锂溶液吸收水蒸汽时会()。
A.吸收热量
B.放出热量
C.既不吸热也不放热
D.将热量转化为潜热
参考答案:B
--- What do you think if we put both John and Jack in charge of the work?
--- Just John is OK. ________, you know.
A.Every dog has his day
B.Everybody’s business is nobody’s business
C.Fools have fortune
D.Great hopes make great men
在上边的题干中给出一套图形,其中包括五个图,这五个图呈现一定的规律性。在下边给出一套图,其中有四个图,请从中选择一个,作为保持上边这种规律性的第六个图。()
A.A
B.B
C.C
D.D