可逆反应A+B(s)C达到平衡后,无论加压或降温,B的转化率都增大,则下列结论正确的是 A.A固体,C气体,正反应为放热反应B.A气体,C固体,正反应为放热反应C.A气体,C固体,正反应为吸热反应D.A、C均为气体,正反应为吸热反应
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.