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【单选题】
三极管各个电极的对地电压如下图所示,可判断其工作状态是_____A.
饱和状态
B.
截止状态
C.
放大状态
D.
已经损坏
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举一反三
【简答题】“燕子楼空，佳人何在，空锁楼中燕”用的是唐代张建封与其爱妾（ ）的爱情典故。
【简答题】As Mr. Henry did not come. we had to put off (sign) ______ the contract.
【单选题】Only when the firefighters put off the fire what great damage it caused.
A.
we had realized
B.
had we realized
C.
we realize
D.
did we realize
【单选题】.Because of the heavy sandstorm, we had to put off the visit until tomorrow to the exhibition of painting _____in the nearby city.
A.
to hold
B.
held
C.
holding
D.
being held
【简答题】We had to put off the sports meeting____ ______ the weather此题出自2015年内蒙古通辽中考英语真题及答案,内蒙古通辽2015年初中毕业招生考试英语试卷 由于天气原因我们不得不推迟了运动会。 We had to put off the sports meeting____ ______ the weather
【简答题】某公司进口货物一批,经海关审核其成交价格为1239.50美元,设1美元=人民币6.5718 元。已知该批货物的关税税率为12%,消费税税率为10%,增值税税率为17%。应征关税税额、消费税税额以及增值税税额分别为多少?(保留两位小数)
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