[双选题]下列过程属于熵增过程的是( )A.硝酸钾溶解在水里B.氨气和氯化氢反应生成氯化铵晶体C.水蒸气凝结为液态的水D(NH4)2CO3分解生成二氧化碳、氨气和水
I can’t leave. She told me that I ______ stay here until she comes back.
—— Do you mind my opening the window? It’s a bit hot in here. —— ______ , as a matter of fact
It’s high time you had your hair cut ; it’s getting _______ .
My friend showed me round the town, ______ was very kind of him.
They use computers to keep the traffic _______ smoothly.