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【单选题】
Which city is the capital of Italy?
A.
Florence
B.
Rome
C.
Milan
D.
Vatican City
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举一反三
【单选题】热射病的发病机制为
A.
水、电解质代谢紊乱
B.
大量失水引起循环血量减少,热引起外周血管扩张
C.
太阳照射头部过度受热,脑组织受热充血
D.
机体产热与获热>散热,引起体内蓄热,使体内温度不断升高所致
E.
以上均不是
【单选题】热射病的发病机制是
A.
散热障碍
B.
水盐失衡
C.
脑供血不足
D.
太阳辐射过强
E.
血氧结合障碍
【单选题】三相变压器一次绕组加额定电压对称运行。当负载系数由0.3增加到0.7时,变压器的短路电抗( )3
A.
不变
B.
变大
C.
变小
【单选题】热射病的发病机制是 ( )
A.
低钠低氯导致肌肉痉挛
B.
心力衰竭
C.
周围血管扩张,循环血量不足
D.
缺钙
E.
内热量蓄积,体温调节中枢失控,体温骤升
【单选题】三相变压器一次绕组加额定电压对称运行。当负载系数由0.3增加到0.7时,变压器的漏磁通( )
A.
基本不变
B.
增大
C.
减小
【单选题】Find the correct translation for each sentence: The business suit has long been the uniform for male office workers. ___________________________________________ (大多数男人穿上西服看上去倒不是没有魅力). The problem is s...
A.
Internet is not such an unusual word as it used to be
B.
Wealthy as she is, she is not unconcerned by her sudden unemployment
C.
This claim is not unrealistic in view of a sharp decrease in the city's violent crimes
D.
Most men do not look unattractive in them
E.
His poor health is not unrelated to his unhealthy way of life
【简答题】某一过程中状态函数数值的变化只取决于始态和终态,而与变化的 无关。
【单选题】三相变压器一次绕组加额定电压对称运行。当负载系数由0.3增加到0.7时,变压器的主磁通( )
A.
基本不变
B.
变大
C.
变小;
【简答题】某一过程中状态函数数值的变化只取决于始态和终态 , 而与变化的 无关。
【单选题】When Ramona, the keynote speaker at a major business leaders' conference, arrived in the middle of the night at the Ritz-Carlton, she was exhausted and her suit was wrinkled from her ten-hour plane tr...
A.
customer excellence
B.
operational excellence
C.
product excellence
D.
promotional excellence
E.
global excellence
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