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【单选题】
反应X+Y → Z，其速度方程式为：υ=k[X] 2 [Y]1/2，若X与Y的浓度都增加4倍，则反应速度将增加多少倍（）。A.
4
B.
8
C.
16
D.
32
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反馈参考答案：
举一反三
【简答题】完形填空。 A good memory is a great help in learning a language. Everyone 1 his own language by remembering what he hears when he is a small child. And when some boys and girls live 2 with their parents, t...
【简答题】Cognitive Psychologists hold the idea that learning a language should be a______ learning.
【单选题】我国的社会主义制度基本建立起来后,其主要任务是
A.
进行思想上、政治上的社会主义革命
B.
继续进行两个阶级、两条道路的斗争
C.
大力发展生产力
D.
坚持无产阶级专政下的继续革命
【简答题】When people talk about learning a language, they usually expect to learn it 1 with clear 2 success. Actually learning a language is an endless 3 . Any natural human language is a 4 affair with many 5 ...
【单选题】A good memory is ______ in learning a language.
A.
a talent
B.
a great help
C.
a big hindrance
D.
a skill
【简答题】A good memory is a great help in learning a language. Everybody learns his mother language when he is a small child. 1)He hears the sounds,① ______them and then he learns to_____. Some children are li...
【简答题】A good memory is a great help in learning a language. Everybody learns his own language by remembering what he hears when he is a small child, and some children, like boys and girls who live abroad wi...
【简答题】“Learning a language is easy. Even a child can do it!” Most s who are 36 a second language would not agree with this. For them, learning is a very difficult task. They need much time to study an...
【单选题】我国的社会主义制度基本建立起来后，其主要任务是：
A.
进行思想上、政治上的社会主义革命。
B.
继续进行两个阶级、两条道路的斗争。
C.
大力发展社会生产力。
D.
大力发展社会生产力。
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