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【简答题】
如图 1 所示电路中,已知 E 1 = E 2 = 17V , R 1 = 2 Ω , R 2 = 1 Ω , R 3 = 5 Ω ,用支路电流法求各支路的电流。
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举一反三
【简答题】请完成第一章课后习题第1、2题,写在自备作业纸上,写好班级学号姓名并拍照上传。
【简答题】Which two educational systems exist at present?The ______ system and the quality-oriented system.
【简答题】Indeed, one photograph taken on set shows Ms Lynch in a safari suit similar to the one Roger Moore famously wore when he played 007.
【简答题】当前两种主要的逻辑门电路是_______ 和 ____________ 。
【简答题】GC-MS分析中，GC部分可以看作为MS的______，MS部分可以看作是GC的______。
【单选题】Fishing stake, the position of which frequently _____, exist in the area covered by this chart.
A.
removed
B.
altered
C.
corrected
D.
Converted
【单选题】Two system of weights and measures exist in the U. S. today: the U. S. Customary System and the International System of Units (IS, after the initials of International System). IS, commonly referred to...
A.
the U. S. Customary System and the metric system
B.
the International System and the metric system
C.
the Imperial System and the metric system
D.
the Customary System and the Imperial system
【简答题】请完成第一章课后作业题1, 2,3b, 3l, 9, 10, 17。(手写后,以照片形式上传添加,提交至平台答案处,务必书写工整。)
【单选题】Which of the following is NOT mentioned in the text?
A.
Controversies exist concerning the traffic in Atlanta.
B.
The federal funds were lost under the Clean Air Act.
C.
Atlanta must abandon buses and build more highways.
D.
The county governments should learn to be cooperative.
【简答题】当前两种主要的逻辑门电路是什么?
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