某温度下，反应N2O4(g)
2NO2(g)△H>0，在密闭容器中达到平衡。下列说法不正确的是（ ）
| A．加压时(体积变小)，将使正反应速率增大 |
| B．保持体积不变，升高温度，再达平衡时颜色变深 |
| C．保持体积不变，加入少许N2O4，再达到平衡时，颜色变深 |
| D．保持体积不变，加入少许NO2，将使正反应速率减小 |
I’m sure that your letter will get______ attention. They know you’re waiting for the reply. 
| A．continued | B．immediate | C．careful | D．general |
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A．as | B．if | C．though | D．unless |
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |