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【单选题】
下列离子中,的NaOH溶液能产生无色气体的是( )A.
CO 3 2-
B.
NH 4 +
C.
SO 3 2-
D.
Na +
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举一反三
【简答题】型腔和分流道的排列有（）和（）两种。
【单选题】输液中发生药液渗出或外渗后造成的临床表现描述错误的是( )。
A.
多发生在手背、足背及肘前窝等部位
B.
早期即开始表现为明显的胀痛感
C.
病人主诉穿刺部位疼痛，为烧灼痛或刺痛
D.
可见注射部位或针头周围出现肿胀
E.
患处皮肤温度低于手臂其他部位的温度
【单选题】听力原文： Kuwait is a country which is quite small, but which is very rich. It has a population of a little more than a million, and it is situated at the North end of the Persian Gulf. This small desert ...
A.
13%.
B.
16%.
C.
14%.
D.
15%.
【单选题】Which country has the second ______ population in the world?
A.
largest
B.
most
C.
great
【单选题】听力原文： Kuwait is a country which is quite small, but which is very rich. It has a population of a little more than a million, and it is situated at the North end of the Persian Gulf. This small desert ...
A.
13%
B.
16%
C.
14%
D.
15%
【单选题】听力原文： Kuwait is a country which is quite small, but which is very rich. It has a population of a little more than a mil-lion, and it is situated at the North end of the Persian Gulf. This small desert...
A.
13%.
B.
16%.
C.
14%.
D.
15%.
【单选题】Their country has plenty of oil, ______ ours has none.
A.
where
B.
as
C.
whereas
D.
which
【简答题】 文字工具组中哪些工具可以生成文字选区
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