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短文改错。 Some things about computers are easier as you may fear. First, computers are logical. Things at first seems difficult will make sense to you after you learn the rules. Second, it is really not hardly to learn enough to use today machines. You don't need to be a great brain. But you do have to learn to think it in new ways. And you do have to keep good bit of information in your head. Finally there were many people around whom are really enthusiastic about this computers. 1. ______ 2. ______ 3. ______ 4. ______ 5. ______ 6. ______ 7. ______ 8. ______ 9. ______ 10. ______
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【多选题】应用基尔霍夫第一定律(KCL)时,要注意的是( )
A.
KCL是按照电流的参考方向来列写的
B.
KCL与各支路中元件的性质有关
C.
KCL也适用于包围部分电路的假想封闭面
D.
KCL是按照电压的参考方向来列写的
【单选题】Under their feet, the grass was fresh; beautiful shadows of branches ______ upon speckled it.
A.
sparkled
B.
flickered
C.
flashed
D.
twinkled
【单选题】2016年习近平总书记在建党95周年庆祝大会的重要讲话中指出:“( ),是更基础、更广泛、更深厚的自信。"
A.
道路自信
B.
理论自信
C.
文化自信
D.
政治自信
【简答题】有一则“不射之射”的故事在《庄子·田子方》和《列子·黄帝》中都有记载,说明了道家在运动表现评估上对于什么的重视?
【简答题】某电感器L =0.5mH ,忽略电阻不计,接到电压 V 的电源上。 无功功率为__________。
【简答题】数据库的完整性是指数据的正确性、有效性和 (________)。
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