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【单选题】
集成运放电路的( )可外接二极管,防止其极性接反。 A.电源端 B.输入端 C.输出端 D.接地端A.
B.
C.
D.
D
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【多选题】以下有关法律关系的说法，不正确的有哪些______
A.
法律关系具有合法性的特点，也就是说违法的行为不能导致法律关系的发生
B.
法律关系既反映了国家的意志，也反映了特殊法律主体的意志
C.
法律关系可以等同于法律所保护的社会关系的本身
D.
除非法律另有规定，围绕着海洋、空气、水流等国家专有或人类公共之物、文物、军事设施、武器以及危害人类的物品等交易行为所产生的关系不属于法律关系
【简答题】原子弹和核反应堆的主要燃料 ,其原子核内有 个质子, 个中子,核外有 个电子。
【单选题】What major development in the 19th century led to a great economic boom for the cowboy?
A.
The cow town settlements.
B.
The construction of the railroads.
C.
The pioneer settlements.
D.
The use of modern technology.
【简答题】I don't know what's your opinion about mountains. It was only in the eighth century people in Europe began to that mountains were beautiful. that time, mountains were feared by the people on the p...
【多选题】公众在公共关系学里的特定含义是:与一个社会组织发生直接或间接关系,对该组织的生存和发展具有现实或潜在影响力的个人、群体和社会团体。它有以下哪些基本特点?
A.
群体性
B.
变化性
C.
同质性
D.
相关性
【单选题】Not until the early years of the 19th century() what heat is.
A.
man knew
B.
didn’t man know
C.
man did know
D.
did man know
【单选题】______ was not until the early 20 th century _____ the importance of his ideas was realized.
A.
What; that
B.
It; that
C.
That; so
D.
It ;when
【单选题】What made the American families in the 19th century change greatly?
A.
The disadvantage of the single family pattern.
B.
The great increase of the urban population.
C.
The rapid development of industrialization and the arrival of immigrants.
D.
The improved living conditions and the women's entrance into the work force.
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