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【简答题】
如图所示,用电源等效变换方法求 R3中通过的电流,把电流源变换成电压源下面哪种变换是正确的?转换之后的电压源与电压源合并正确的是哪个? A. B. C. D. E. F. G.
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举一反三
【单选题】根据创作风格特点,判断以下哪首送别诗是李白的作品?( )
A.
又送王孙去，萋萋满别情。
B.
劝君更尽一杯酒，西出阳关无故人。
C.
山回路转不见君，雪上空留马行处。
D.
狂风吹我心，西挂咸阳树。
【多选题】以下诗句,为李白所作的是( )
A.
江间波浪兼天涌，塞上风云接地阴
B.
人生得意须尽欢，莫使金樽空对月
C.
长风破浪会有时，直挂云帆济沧海
D.
人生在世不称意，明朝散发弄扁舟
【简答题】Once, a lioness and her cub were hunting in the jungle. The baby asked its mother, "Mother, why are we hunting when a deer is already at home?” The mother said, "My love! We can' t eat that deer becau...
【单选题】－ _____David come to see you ? － Of course, please. And I’d rather he _____ me the truth.
A.
Will inform
B.
Shall told
C.
Should will tell
D.
Can covers
【简答题】My sister and I looked forward to new clothes for the New Year. But one day my mother said, "Listen, children. We don't have enough money now. So only one of you can get new clothes." he silence laste...
【简答题】The bus stopped at the bus stop. A young mother and her child got on the bus. They sat down next to the window. The conductor(售票员) came to them for the tickets(票). The young mother said,"One ticket to...
【简答题】The milkmaid and her pail A milkmaid was going to the market. She carried her milk in a pail on her head. As she went along she began calculating what she would buy after she had sold the milk. "I'll ...
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