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【简答题】
流体的流动类型有两种: 和 。Re≤2000 ,Re≥4000 。 2. 流体在圆作层流流动时的速度分布曲线是一条 。 3. 层流内层的厚度随Re值的增大而 。 4. 层流与湍流的本质区别是 。 A. 流速不同 B.流道截面积不同 C. 雷诺数不同 D.层流无径向运动,湍流有径向运动
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举一反三
【单选题】According to the man, theres more motive to tackle tasks if they are______.
A.
put on several cards and read through every day
B.
kept in front of the woman while she is studying
C.
divided into small ones and distributed to specific days
D.
sorted out from the material which should be reviewed
【简答题】公司型基金设有董事会,代表投资者的利益行使职权。( )
【简答题】董事会是公司的权力机构,依照公司法行使职权。()
【单选题】国有独资公司的国有资产监督管理机构可以授权公司董事会行使的职权有( )。 Ⅰ 合并、分立 Ⅱ 解散 Ⅲ 选任董事、监事 Ⅳ 决定经理人员报酬 Ⅴ 发行公司债券 Ⅵ.增资、减资
A.
B.
Ⅰ、Ⅲ
C.
Ⅰ、Ⅱ、Ⅳ、Ⅴ
D.
Ⅰ、Ⅳ、Ⅴ、Ⅵ
E.
Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ
【简答题】分支点逆着信号流向移到G(s)前,为了保证移动后的分支信号不变,移动的分支应( ) 入相同的传递函数G(s)
【单选题】In this experiment, they are wakened severa times during the night, and asked to report what they .
A.
had just been dreaming
B.
are just dreaming
C.
have just been dreaming
D.
had just dreamt
【多选题】公司董事会可以行使下列哪些职权。( )
A.
决定公司的经营计划和投资方案
B.
决定公司内部管理机构的设置
C.
制定公司的具体规章
D.
召集股东会会议,并向股东会报告工作
【多选题】You are the administrator of a Windows 2000 Professional computer that is shared by several users in the Sales department. User accounts have been created for current users. Current users can log on t...
A.
Add the User7 and User8 user accounts to the DACL for the Profiles shared folder on the network server.
B.
Add the User7 and User8 user accounts to the DACL for the C:/Documents and Settings/Default User folder.
C.
Add the Everyone group to the DACL for the C:/Documents and Settings/Default User folder.
D.
Add a Group Policy object (GPO) for the Sales OU that redirects user profiles to a shared folder.
E.
Log on by using the local Administrator account and create new folders for User7 and User8 in the C:/Documents and Settings folder.
F.
Select the allow inheritable permissions from parent to propagate to this object option on the C:/Documents and Settings/Default User folder, and reset the permissions on all child objects.
G.
Move and retain permissions and compressions.
【简答题】公司型基金设有董事会,代表投资者的利益行使职权。( )
【简答题】分支点逆着信号流向移到G(s)前,为了保证移动后的分支信号不变,移动的分支应 ( ) 相同的传递函数G(s)
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