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【单选题】
下列关于感应电流方向的说法正确的是（ ）A.
感应电流方向只与磁场方向有关
B.
感应电流方向只与导体切割磁感应线方向有关
C.
只要是磁场方向改变或导体切割磁感线方向改变，感应电流方向就要改变
D.
只要是磁场方向和导体切割磁感线方向同时改变，感应电流方向就要改变
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【简答题】设有 int n = 2010; 要求屏幕上显示“ n=2010 ”结果,正确的语句是: _______ 。A. printf( n ); B. printf( "n=", n ); C. printf( "n=", "%d", n ); D. printf( "n=%d", n );
【单选题】Some of them join together ______ for gold medals.
A.
compete
B.
to compete
C.
competed
D.
competes
【简答题】Successful athletes today are able to earn enormous salaries and many of them choose to share the wealth they have by donating to charities. Perhaps the generosity displayed by these athletes will ins...
【单选题】2019年3月某市房地产开发公司转让5年前自建的一栋写字楼,合同注明不含税转让收入8000万元,当年购入土地支付地价款2200万元,该写字楼的原值为4000万元,已提折旧1000万元,已知该写字楼重置成本5000万元,成新度为70%。缴纳与转让该写字楼相关税金440万元(不含增值税和印花税)。该房地产开发公司转让写字楼应缴纳土地增值税( )万元。
A.
573.50
B.
550.00
C.
556.80
D.
500.00
【简答题】什么是Feedback?
【简答题】七、课文填空 (15%) : 1. Some of the sports from the ancient Olympics are still seen today, such as the long jump, 1 and running. At the ancient Olympics, 2 3 the athletes were all men and they had to compet...
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