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【单选题】
电路如图所示,支路电流 应为 答( )A.
3A
B.
C.
2A
D.
12A
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反馈参考答案：
举一反三
【简答题】课堂讨论: 2. How can we more effectively enlarge our vocabulary?
【简答题】C语言源程序的后缀名为_______,C++语言源程序的后缀名为________。
【判断题】If we enlarge the concentration of HA,The consentration of ions will incease
A.
正确
B.
错误
【单选题】What will most possibly follow the text?
A.
An example of how an entrepreneur operates.
B.
Another theory about entrepreneurship.
C.
The bad effects of entrepreneurs.
D.
The good effects of entrepreneurs.
【单选题】Electricity is used ___________heating and lighting and it is also used _________provide power ___________ machines.
A.
for, to, for
B.
for, for, for
C.
to, to, to
D.
to, to, with
【简答题】Intelt building also reduces ______for electricity by shedding loads when electricity is
higher-priced.A. input B. price C. costs D. output
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