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【单选题】
病室湿度低,病人表现为A.
呼吸道粘膜干燥,咽喉痛
B.
憋气,闷热
C.
食欲不振,疲倦
D.
血压高,头晕,面色苍白
E.
多汗,发热,面色潮红
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【单选题】听力原文：M: Thanks for reviewing the draft of my research paper. What do you think of it? W: Well, I wouldn't say it needs any revision. Q: What is the woman's opinion of the research paper? (16)
A.
It's fine as it is.
B.
Only a few changes should be made in it.
C.
Major revisions am needed in it.
D.
It won't be approved by the supervisor.
【简答题】Childhood 童年 列夫·托尔斯泰 Chapter 1 The Tutor, Karl Ivanitch On the 12th of August, 18-- (just three days after my tenth birthday, when I had been given such wonderful presents), I was awakened at seven o'...
【单选题】{甲公司2×16年1月1日按每份面值100元发行了100万份可转换公司债券,发行价格为10000万元,无发行费用。该债券期限为3年,票面年利率为6%,利息每年12月31日支付。债券发行一年后可转换为普通股。债券持有人若在当期付息前转换股票的,应按照债券面值和应付利息之和除以转股价,计算转股股份数。该公司发行债券时,二级市场上与之类似但没有转股权的债券的市场利率为9%。(P/A,9%,3)=2.53...
A.
9724.97
B.
9484.19
C.
8724.97
D.
759.22
【单选题】听力原文：M: Thanks for reviewing the draft of my research paper. What do you think of it? W: Well, I wouldn't say it needs any revision. Q: What is the woman's opinion of the research paper? (16)
A.
It's fine as it is.
B.
Only a few changes should be made in it.
C.
Major revisions are needed in it.
D.
It won't be approved by the supervisor.
【简答题】现有一种含结晶水的淡绿色晶体，将其配成溶液，若加入BaCl 2 溶液，则产生不溶于酸的白色沉淀；若加入NaOH溶液，则生成白色胶状沉淀并很快变成红综色。再加入盐酸，此红综色沉淀又溶解，滴入硫氰化钾溶液显深红色。问该晶体是什么物质？
【简答题】现有一种含结晶水的淡绿色晶体,将其配成溶液,若加入 BaCl 2 溶液,则产生不溶于酸的白色沉淀;若加入 NaOH 溶液,则生成白色胶状沉淀并很快变成红综色。再加入盐酸,此红综色沉淀又溶解,滴入硫氰化钾溶液显深红色。问该晶体是什么物质 ? 写出有关的化学反应式。
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