如图是关于反应A2(g)+3B2(g)2C(g)(正反应为放热反应)的平衡移动图象,影响平衡移动的原因可能是( )
A.升高温度,同时加压 | B.降低温度,同时减压 |
C.增大反应物浓度,同时减小生成物浓度 | D.增大反应物浓度,同时使用催化剂 |
It’s high time you had your hair cut ; it’s getting _______ .
A.too much long | B.much too long ![]() |
C.long too much | D.too long much |
My friend showed me round the town, ______ was very kind of him.
A.which | B.that | C.where | D.it |
They use computers to keep the traffic _______ smoothly.
A.being run | B.run | C.to run | D.running |
If you leave the club, you will not be_____back in .
A.received | B.admitted | C.turned | D.moved |
What I need is_____ book that contains ______ABC of oil painting.
A.a; 不填 | B.the; 不填 | C.the; an | D.a ; the |