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【简答题】
IGBT是三端器件,三个引出电极分别是()极、集电极和发射极。
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举一反三
【单选题】As for the Flat Earth theory, I believe I can ______it with my own experiences of navigation.
A.
deny
B.
reject
C.
object
D.
refute
【简答题】据图回答问题. (1)图中所示为______作用的生理过程,该生理过程在如图细胞的______中进行.请用公式来表示这一生理过程______. (2)氧气、二氧化碳进出叶片的通道是______,其张开和关闭是通过______细胞来控制的. (3)从图中可以看出,通过这个生理活动,维持了自然界中______的平衡.
【单选题】假设在Excel中的工作表中有如图6-1所示的数据,如果在A3单元格里输入公式=SUMIF(A1:D2,'>25',A2:D2),那么按回车键后在A3中显示的数值是(3)。
A.
70
B.
100
C.
140
D.
200
【简答题】The st way to say it is this: I believe in my mother. My __1__ began when I was just a kid.I __2__ becoming a doctor. My mother was a domestic.Through her work, she observed that __3__ people sp...
【简答题】阅读理解。 I'm a pig, and my son is a rabbit. I have snakes for daughters, and my wife, believe it or not, is a dragon! Do I live in a zoo? No, of course not! I am talking about Chinese zodiac signs. Depen...
【简答题】The st way to say it is this: I believe in my mother. My belief began when I was just a kid, who 36 becoming a doctor. My mother was a domestic(佣人). Through her work, she observed that 37 people...
【单选题】☆79.对虾的虾脑是指虾的( )。
A.
虾的脑子
B.
虾的卵
C.
虾的卵巢
D.
虾的肝脏
【单选题】如下图所示,在Excel中单击单元格F2,欲求出表中所列6名学生的总成绩排名,应输入的公式是(  )
A.
=RANK(E1,SES2:SES7)
B.
=RANK(E2,SES2:$ES7)
C.
=RANK(E1,SES1:SES7)
D.
=RANK(F2,SES1:SES7)
【单选题】.Everytime I_______a foreigner, I will seize the opportunity to practise my spoken English.
A.
believe in
B.
turn around
C.
come across
D.
see off
【单选题】假设在Excel中的工作表中有如图2-2所示的数据,如果在A3单元格中输入公式“=SUMIF(A1:D2,'>25',A2:D2)”,那么按回车键后在A3单元格中显示的数值是(54)。
A.
70
B.
100
C.
140
D.
200
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