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【简答题】
若复数 ( , 为虚数单位)在复平面内对应的点位于直线 上,则 .
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【单选题】财务控制利润中心销售收入为 1000 万元,变动成本率为 60% ,固定成本为 200 万元,可控固定成本占 70% ,利润中心可控利润为( )。
A.
1000 ×( 1 - 60% )- 200 × 70%
B.
1000 ×( 1 - 60% )- 200 ×( 1 - 70% )
C.
1000 × 60% - 200 ×( 1 - 70% )
D.
1000 × 60% - 200 × 70%
【判断题】下面的句子过于笼统,不适合作主题句。 A college student should know how to write a good composition.
A.
正确
B.
错误
【简答题】35÷□=7 (35+15)÷5=35÷5+15÷5=□
【判断题】数字逻辑电路根据逻辑功能特点可以分为组合逻辑电路和时序逻辑电路。
A.
正确
B.
错误
【简答题】Many people may not find the idea of visiting Beijing's Forbidden City just to see its cultural relics( 遗迹 )very exciting. But what if you got to see deer there too? That certainly sounds like a bette...
【单选题】计算(-2a 3 +3a 2 -4a)(-5a 5 )等于(  )
A.
10a 15 -15a 10 +20a 5
B.
-7a 8 -2a 7 -9a 6
C.
10a 8 +15a 7 -20a 6
D.
10a 8 -15a 7 +20a 6
【简答题】The idea that learning should take place by continual careful shaping and molding ______ equally to the arts. Watching children at work in a classroom setting, we were ______ by their facility. Childr...
【简答题】Fill in the missing information. SectionA Script.mp3: So, what do you want to do tomorrow? Well, let’s look at this ___1___ here. Uh, here’s something interesting. Why don’t we first visit the art mus...
【简答题】数字电路可以分为组合逻辑电路和时序逻辑电路,两种电路各自的特点是什么?
【判断题】在数字电路中,按逻辑功能的不同,可以分为组合逻辑电路和时序电路 。
A.
正确
B.
错误
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