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【单选题】
已知R 1 >R 2 >R 3 ,若将此三只电阻并联在电压为U的电源上,获得最大功率的将是( )。A.
R 1
B.
R 2
C.
R 3
D.
三者相等
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反馈参考答案：
举一反三
【简答题】会计档案的保管期限分为永久和定期，保管期限从会计档案交存之日算起。 判断对错
【简答题】会计档案的保管期限，应从会计档案开始保管的当天算起。
【简答题】가: 한국무역 타나카입니다 나: 죄송하지만 김민수 씨( )稍微拜托 一下
【单选题】— What do you think of Obama's victory speech? — Wonderful! It _____ a wave of cheers from time to time. [ ]
A.
set out
B.
set aside
C.
set down
D.
set off
【单选题】what is Obama's purpose to make the speech?
A.
to call on people to focus on major issues.
B.
to distance himself from his former pastor.
C.
to dirrect people's attention to the racial issue.
D.
to condemn the statements of Reverend Wright.
【单选题】What is Obama’s purpose to make this speech?
A.
To distance himself from his former pastor.
B.
To direct people’s attention to the racial issue.
C.
To call on people to focus on major issues.
D.
To condemn the statements of Reverend Wright.
【单选题】What was Barack Obama's response toward Hillary's suggestion?
A.
He made no comments on Hillary's suggestion.
B.
He had no choice but to accept Hillary's suggestion.
C.
He refused to take Hillary's suggestion.
D.
He decided to quit the election campaign.
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