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【单选题】
双曲线x2-16y2=25的实轴长是( )。A.
4
B.
6
C.
8
D.
10
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【单选题】科学儿童心埋学建立的标志是 ( )。
A.
达尔文于1876年写成《一个婴儿的传略》一书
B.
冯特于1879年在德国菜比锡成立心理学实验室
C.
普菜尔于1882年出版《儿童心理》一书
D.
霍尔于1891年出版《婴儿研究手记》一书
【单选题】The man who hit 9 people in a row had drunk so much that his mind could no longer ________ between fantasy and reality. [ ]
A.
distinguish
B.
discourage
C.
disturb
D.
disappear
【简答题】企业文化的构成包括哪6个方面
【单选题】Which one of the following statement is NOT true about transition state theory?
A.
Transition state theory describes a hypothetical "transition state" that occurs in the space between the reactants and the products in a chemical reaction.
B.
The species that is formed during the transition state is known as the activated complex.
C.
The activated complex exists in a very long time because it has a great store of energy.
D.
The activated complex can either be converted into products, or it can “revert” back to reactants.
【简答题】( ) conformation is the preferred transition state geometry for the E2 elimination
【简答题】在研究光与物质的相互关系,爱因斯坦指出:光与物质的粒子体系的相互作用主要有哪三种过程?
【简答题】什么是飞行器的 稳定性和 操纵性 ?
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