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【单选题】
下列哪些领域目前尚不属于计算机的应用_ ____ _。A.
、数值计算
B.
图书检索
C.
情感判断
D.
CAT
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【简答题】完型填空。 In a class I teach s, I recently did something 'unpardonable (不可饶恕的)' I gave the class homework! The 1 was to 'go to someone you love within the next week and tell them you love them'. It h...
【简答题】完型填空。 When I was about five years old, I used to watch a bird in the skies of southern Alberta from the Blackfoot Blood Reserve in northern Montana where I was born. I loved this bird; I would 1 him f...
【简答题】完型填空。 I once found out that doing a favor for someone could get you into trouble.I was in the eighth grade at the time,and we were having a final test.During the test,the girl next to me __ 1 __someth...
【简答题】目标成本管理是以（）为依据。
【单选题】当线圈加有效值为 100V 的交流电压时,电流有效值为 2A ,有功功率为 120W ,则线圈的电路模型为( )。
A.
30 W 电阻与 40 W 感抗串联
B.
40 W 电阻与 30 W 感抗串联
C.
0.012 W 电阻和 0.016 W 感抗串联
【简答题】一线圈加30V直流电压时，消耗功率P1=100W，当加有效值为220V的交流电压时，消耗功率P 2 =3059W，求该线圈的电抗多少Ω。
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