对可逆反应4NH₃(g)+5O₂(g)4NO(g)+6H₂O(g)，下列叙述正确的是[ ]

A．达到化学平衡时，4v_正(O₂)=5v_逆(NO)

B．若单位时间内生成xmolNO的同时，消耗xmolNH₃，则反应达到平衡状态

C．达到化学平衡时，若减小压强，则正反应速率减小，逆反应速率增大

D．化学反应速率关系是2v_正(NH₃)=3v_正(H₂O)

句型转换。

1. He seldom drives to work. (划线提问)

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2.The Greens didn't go camping because it rained last night. (同义句)

   The Greens didn't go camping because of _______ last night.

3. He thinks he is as clever as his brother. (否定句)

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4. The girl wasn't able to play the piano. (用next year 改写)

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5. the Palace, will, bus, and, take, change ,we, the, underground, to, Museum, to, the (连词成句)

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