French educator Louis Braille invented a simple but ______ code which has had an impact on the lives of generations of people who are blind()
A. ingenious
B. indifferent
C. elite
D. enlightened
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已知298K时,△fHmo[CaO(s)] = – 635.1 kJ·mol-1, △fHmo[H2O(l)] = -285.8 kJ·mol-1 , △fHmo[Ca(OH)2(s)] = -986.1 kJ·mol-1 , 则在298K时,1.00 kg的CaO与水反应生成Ca(OH)2时放出的热量为()
A. 2.33×103 kJ
B. 65.2 kJ
C. 2.33×103 kJ
D. 1.16×103 kJ
Political system is the system of_____ in any nation()
A. government
B. politics
C. law
D. economy
一个系统从一个特定的开始状态到终止状态总是有()
A. Q途径1 = Q途径2
B. W途径1 = W途径2
C. (Q+W)途径1 = (Q+W)途径2
D. △U = 0,与途径无关
Over the past half century, a number of important global institutions have been created to help manage, regulate, and policed the global marketplace, including_____()
A. GATT
B. WTO
C. IMF
D. UN