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【单选题】
测得某三极管各极电流为I 1 =2.4 mA,I 2 =0.6mA,I 3 =-3 mA(电流方向流入为正)。则各电极分别是( )。A.
①-e,②-b,③-c
B.
①-b,②-c,③-e
C.
①-c,②-b,③-e
D.
其它情况
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皮皮学刷刷变学霸
举一反三
【简答题】党对的绝对领导原则,发端于——、奠基于——、定型于——,是人民完全区别于一切旧的政治特质和根本优势。
【简答题】, first Duke of Marlborough, was an English soldier and statesman.
【简答题】On first impressions, it would be easy to dismiss Duke as an ____(古怪的人).
【单选题】按照GB 4789.2-2016进行测定某样品时,若所有稀释度培养皿中均无菌落出现,则应报告( )cfu/g。
A.
0
B.
＜1
C.
＜100
D.
＜1×最低稀释倍数
【单选题】党对军队绝对领导的根本原则和制度,发端于 ( ) 、奠基于( )、定型于( ),是人民军队完全区别于一切旧军队的政治特质和根本优势
A.
南昌起义，三湾改编，古田会议
B.
三湾改编，南昌起义，古田会议
C.
南昌起义，古田会议，三湾改编
【单选题】The first valentine was sent by Charles, Duke of Orleans.
A.
True
B.
False
C.
Blank 1
D.
Blank 2
【简答题】Nowadays it is found that school students seldom pay much attention to sports. Is it because they have no 32 in sports? It may not be the fact. They often say they have 33 more important things to do....
【单选题】_________ a sports meeting in our school this Friday afternoon.
A.
There is going to be
B.
There will have
C.
There are going to be
D.
There is going to have
【简答题】党对绝对领导的根本原则和制度,发端于南昌、奠基于三湾改编、定型于( )。
【单选题】The Five Overlords of the Spring and Autumn Period were Duke of Huan of Qi, Duke Wen of Jin, , Duke Xiang of Song, and King Zhuang of Chu.
A.
Duke Huan of Qin
B.
Duke Mu of Qin
C.
Duke Wu of Qin
D.
Duke Xiao of Qin
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