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【简答题】
有一电源,当两端开路时,电源的端电压为 10V,同6Ω的电阻连接时,路端电压为9V,则电源电动势为 V,内阻为 Ω(保留两位小数点) .
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举一反三
【简答题】中断供电将影响重要用电单位的正常工作时,该类用电负荷为 。
【多选题】《基础会计》课程考核方式是( )
A.
综合考核30%，期末考试70%
B.
综合考核40%，期末考试60%
C.
课堂活动15%，访问次数10%，作业10%
D.
章节测验10%，讨论10%
【简答题】A．He will lose weight quickly. B．He will lose some weight during his diet. C．He will gain weight during the next few months. D．His weight will remain unchanged.
【简答题】施工现场准备的主要内容有哪些?
【单选题】He is so fat that he has decided to______.
A.
lose weight
B.
lose his weight
C.
put on weight
D.
put on his weight
【单选题】He has always been reminded _____ the virtues of patience by his father, yet he tends to lose his temper all the time.
A.
for
B.
to
C.
of
D.
with
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