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问题
判断题
理想的电压源和理想的电流源可以等效变换。()
答案
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错
选择题
— Shall I tell your best friends what happened to you yesterday?
— _____ they ask you.
[ ]
A. Not unless
B. Not if
C. Not except
D. No though
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填空题
老君李耳是()行崇拜的祖师。
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