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常温下，pH＝11的氨水溶液和pH＝1的盐酸溶液等体积混合后(不考虑混合后溶液体积的变化)，恰好完全反应，则下列说法不正确的是( )A.
弱碱的浓度大于强酸的浓度
B.
反应完全后的溶液呈碱性
C.
原氨水中有1%的含氮微粒为NH 4 +
D.
反应后的溶液中NH 4 + 、NH 3 ·H 2 O与NH 3 三种微粒的平衡浓度之和为0.05 mol·L －1
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【简答题】A．He was greatly disappointed. B．He was pleased to get there finally. C．He was pleased with his knowledge of Spanish. D．He was at a loss about what to do.
【简答题】分子同源性的分类?
【判断题】拉动策略就是企业针对最终消费者开展广告攻势,把产品信息介绍给目标市场的消费者,使人产生强烈的购买欲望,形成一切的市场需求,然后”拉引“中间商要求经销这种产品 。
A.
正确
B.
错误
【单选题】It is greatly _____ that he gave back the money he found to the owner. [ ]
A.
to his satisfaction
B.
to his delight
C.
to his credit
D.
to his surprise
【单选题】It is greatly ________ that he gave back the money he found on the bus.
A.
for his delight
B.
to his delight
C.
to his credit
D.
in his credit
【单选题】What is the attitude of the man towards the marriage?
A.
He is greatly affected.
B.
He regards it as nonsense.
C.
He doesn't care a bit about it.
D.
He is much upset at the news.
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