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问题 选择题
下列措施或事实不能用勒夏特列原理解释的是（   ）

A．溴水中有下列平衡Br2+H2O⇌HBr+HBrO，当加入硝酸银溶液后，溶液颜色变浅

B．H2、I2、HI平衡混合气加压后颜色变深

C．在合成氨的反应中，理论上降温或加压有利于氨的合成

D．Fe（SCN）3溶液中加入6mol/LNaOH溶液后颜色变浅

答案

答案：B

选择题

— Which type of car do you like better? 

— _____. They are both expensive and high emission (高排量). [ ]

A. None

B. Either

C. Neither

D. Both

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选择题

As an Olympic volunteer，you should know how to ________ emergent cases.

A．do with

B．think of

C．deal with

D．think about
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