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【单选题】
当场效应管的漏极电流IDQ从1mA变为2mA时,它的低频跨导。
A.
增大
B.
减小
C.
不变
D.
无法判断
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参考答案:
举一反三
【判断题】.Expenses are presented in the profit and loss account.
A.
正确
B.
错误
【判断题】变压器线圈绝缘处理工艺主要包括预烘、浸漆和干燥3个过程。( )
A.
正确
B.
错误
【单选题】2012年11月14日,()在易观第五届移动互联网博览会上首先提出了“互联网+”,并做了相关解读。
A.
于杨
B.
马云
C.
马化腾
D.
刘强东
【判断题】Expenses are presented in the profit and loss account.
A.
正确
B.
错误
【单选题】Following the preparation of the profit and loss account, it is discovered that work-in-progress has been overvalued by $2,000 and an accrued expense of $500 has been overvalued. This will have result...
A.
an overstatement of net profit of $2,500.
B.
an understatement of net profit of $2,500.
C.
an overstatement of net profit of $1,500.
D.
an understatement of net profit of $1,500.
【简答题】Fill in the blanks with the words given below. Change the form where necessary. abuse reveal economical sponsor stage discard authority eliminate destructive bargain 1. If you agree to be our sales ag...
【单选题】在一密闭容器中进行反应:X 2 +3Y 2 ?2Z 2 ,若X 2 、Y 2 、Z 2 的起始浓度分别为0.1mol/L、0.3mol/L、0.2mol/L,当反应达到平衡状态时,下列物质的浓度可能为(  )
A.
X 2 为0.2mol/L
B.
Y 2 为0.2mol/L
C.
Z 2 为0.4mol/L
D.
Y 2 为0.6mol/L
【单选题】For example, by manufacturing a one-piece fuselage section, we are eliminating 1,500 aluminum sheets and 40,000 - 50,000 fasteners. CHOOSE THE WRONG ANSWER:
A.
one -piece fuselage section means the fuselage cannot be disassembled
B.
to eliminate means to completely get rid of something that is unnecessary or unwanted
C.
aluminum sheets means the sheets were made of aluminum
D.
fastener means 787 can fly faster  than others
【判断题】公司每股股票的价值是确定股票价值的重要指标:公司每股股票价值=公司股权价值/发行后总股本。( )
A.
正确
B.
错误
【单选题】某温度下,浓度都是1mol/L的两种气体X 2 和Y 2 ,在密闭容器中反应生成气体Z。反应2min后,测得参加反应的X 2 为0.6mol/L,用Y 2 的变化表示的反应速率v(Y 2 )=0.1mol/(L·min),生成的c(Z)为0.4mol/L,则该反应的化学方程式是(  )
A.
X 2 +2Y 2 2XY 2
B.
2X 2 +Y 2 2X 2 Y
C.
3X 2 +Y 2 2X 3 Y
D.
X 2 +3Y 2 2XY 3
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