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【单选题】
关于电动势的说法不正确的是A.
电动势反映了电源把其他形式的能转化成电能的本领
B.
电动势的方向是由电源的负极指向正极
C.
在电源不接负载的情况下,电源的电动势等于电源的端电压
D.
电动势与电压的物理意义完全相同
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举一反三
【单选题】Which of the following is not the pursuit of the spiritual existence
A.
Confucianism’s knowledge of life through disposition and consciousness.
B.
Taoism’s search for spiritual freedom.
C.
Buddhism’s “Nirvana(涅槃)”
D.
To prefer it is better than only to know it. To delight in it is better than merely to prefer it.(知之者不如好之者,好之者不如乐之者。)
【简答题】Some people argue that pressures on international sportsmen and sportswomen kill the essence of sport-the pursuit of personal excellence. Children kick a football around for fun. When they get older a...
【单选题】2 设集合M={2,5,8},N={5,6,8},则M ∪ N= 1 {8} 2 {6} 3 {2,5,6,8} 4 {2,5,6}
A.
① {8}
B.
② {6}
C.
③ {2,5,6,8}
D.
④ {2,5,6}
【简答题】Yet many scientists are clearly unwilling to acknowledge that the interests of humanity are authentically served only when scientific knowledge is joined to a truthful conscience, and the pursu...
【单选题】Yet many scientists are clearly unwilling to acknowledge that the interests of humanity are authentically served only when scientific knowledge is joined to a truthful conscience , and the pursuit of ...
A.
认知
B.
良心
C.
负疚感
【单选题】Yet many scientists are clearly unwilling to acknowledge that the interests of humanity are authentically served only when scientific knowledge is joined to a truthful conscience, and the pursuit of s...
A.
originally
B.
indeed
C.
basically
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