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【单选题】
已知反应KI+I 2 KI 3 ，下列推断错误的是 [ ]A.
I 3- 在溶液中存在如下平衡：I 3- I - +I 2
B.
将Cl 2 通入KI 3 溶液中，I 3- 的浓度不会改变
C.
配制碘水时，加入KI可增大I 2 的溶解度
D.
在KI 3 溶液中加入淀粉溶液可变蓝色
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举一反三
【单选题】Topics for textbooks and conference books should be_______ to the experiences and interests of the students.
A.
relevant
B.
concentrated
C.
reliable
D.
based
【简答题】下列治疗外周血管痉挛性疾病的药物是( )
【简答题】根据梁的支撑情况，将梁进行分类，并简单说明。
【单选题】Internet voting happens all the time, but usually it's confined to topics such as 'Who is the cutest east member of Party of Five?' Soon, however, people will be able to cast their ballot (选票) for Pre...
A.
The civic affair enthusiasts take it as a way to increase voter turnout.
B.
Some Internet lovers hope that Internet can change politics.
C.
Some people can make profit from developing software for online voting.
D.
An increasing number of states or cities are considering voting online to help promote Internet voting.
【单选题】下列关于世界第一台电子计算机ENIAC的叙述中,错误的是?
A.
它是1946年美国诞生的
B.
它主要是采用电子管和继电器
C.
它首次采用存储程序控制使计算机自动工作
D.
它主要用于弹道计算
【多选题】What are the topics in Quindlen's writing?
A.
Warfare.
B.
Her own career.
C.
Women's challenges.
D.
Today's young people.
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