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【判断题】
如图 1 所示,若 L>C ,则为感性电路,φ >0 。A.
正确
B.
错误
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举一反三
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
【简答题】试述房水的产生部位及其循环途径。
【简答题】有一二端网络，用一内阻为10^5Ω的电压表测得其端电压为45V，若换用一内阻为5*10^4Ω的电压表来测，则测得的端电压为30V，则该网络端电压的真实数值为( )V。
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
【简答题】Why
was the little girl not panicked?A. Because she was blind and deaf. B. Because she didn't hear the grave news. C. Because she was too small to know anything. D. Because she was fixed and intent on...
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
【简答题】计算题：有一个直流有源二端网络，用内电阻 R′ b ＝50kΩ的电压表测得它两端的电压Uab＝100V，用内电阻为R″ b ＝150kΩ的电压表测得它两端的电压U ab ＝150V，求这个网络的等效电压源E 0 和R 0 。
【单选题】顾客在看商品对于营业员的提问不做任何回答,正确的做法是( )
A.
让顾客继续自己挑选,不加以打扰
B.
设法调节气氛,改变谈话内容
C.
照顾其他顾客
D.
不断观察该顾客的神情
E.
转身走开
【单选题】Why did the little girl die?
A.
Because she drank the water.
B.
Because she was sick.
C.
Because she took some of the chemicals.
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