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【多选题】
年末必须结平为零的账户是 ( ) 。
A.
生产成本
B.
制造费用
C.
本年利润
D.
管理费用
E.
利润分配
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【单选题】*在北半球无流海域,当风向为N风时,冰山的移向约为________。
A.
208
B.
152
C.
28
D.
332
【单选题】在北半球无流海域,当风向为N风时,冰山的移向约为()
A.
208 0
B.
152 0
C.
28 0
D.
332 0
【单选题】What is the effect of Verapamil (a Calcium channel blocker) on the action potential of Purkinje cell?
A.
The duration of phase 2 repolarization decreases
B.
The amplitude of  phase 0 depolarization reduces
C.
The duration of phase 1 repolarization decreases
D.
The duration of phase 3 repolarization decreases
【单选题】what is the effect ofbeing nervous according to the news?
A.
Using a lot of gestures.
B.
Moving from side to side.
C.
Speaking in a low voice.
D.
Avoding eye contact
【单选题】设 ,则下列各式中正确的是
A.
lg(x+y)=lgx+lgy
B.
lg(xy)=lgx lgy
C.
lg(xy)=lgx+ lgy
【简答题】设A、B均为,n阶矩阵,则下列各式中正确的是( )。
【单选题】下面( )是资源子网的概念。
A.
用于有限地理范围(如一幢大楼),将各种计算机、外设互连起来的计算机网络
B.
由各种通信控制处理机、通信线路与其他通信设备组成,负责全网的通信处理任务
C.
覆盖范围从几十千米~几千千米,可以将一个国家、一个地区或横跨几个洲的网络互连起来
D.
由各种主机、终端、连网外设、软件与信息资源组成,负责全网的数据处理业务,并向网络用户提供各种网络资源与网络服务
【单选题】设 ,则下列各式中正确的是
A.
P ( A - B )= P ( A ) - P ( B )
B.
P ( AB )= P ( A ) P ( B )
C.
P ( A + B )= P ( A )+ P ( B )
D.
P ( A + B )= P ( A )+ P ( B ) - P ( AB )
【简答题】1 What is the effect of more and more people living in cities? 2 What are the benefits of vertical farming? 3 What do the conditions in space result in?
【单选题】Refer to the exhibit. What is the effect of the OSPF configuration on router B?()
A.
All interfaces will be in area 0
B.
The router will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 1
C.
The route r will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 2
D.
The router will be an ABR with s1/0 in area 0, f0/0 in area 1, and f0/1 in area 2
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