同温同压下，在3支相同体积的试管中分别充有等体积的2种气体，它们是（1）NO和NO2 （2）NO2和O2 （3）NH3和N2。现将3支试管均倒置于水槽中，充分反应后剩余气体的体积分别是V1、V2、V3，则下列关系正确的是
| A．V1>V2>V3 | B．V1>V3>V2 | C．V2>V3>V1 | D．V3>V1>V2 |
相关试题
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 |
Jenny nearly missed the flight______ doing too much shopping.
| A．as a result of | B．on top of | C．in front of | D．in need of |
The CDs are on sale! Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones ks |
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 |
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