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【判断题】
电容器的常见故障有击穿短路、开路或漏电。检测时可用万用表来判定。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The arrival of the industrial age in our historical evolution meant that ______.
A.
universal employment virtually guaranteed prosperity
B.
economic freedom came within everyone's grasp
C.
patterns of work were fundamentally changed
D.
people's attitudes to work had to be reversed
【简答题】幼儿园应当制定教职工安全教育培训计划,通过多种途径和方法,使教职工熟悉安全规章制度、掌握安全救护常识,学会指导幼儿 的方法和手段。
【简答题】腐植煤的煤岩成分是有（）、（）、（）、（）组成的。
【单选题】对疾病概念叙述下列哪项较确切
A.
机体功能、代谢和形态结构的异常变化
B.
机体劳动能力减弱或丧失
C.
致病因子作用于机体出现各种症状、体征
D.
病因作用使机体自稳调节紊乱发生异常生命活动过程
【单选题】Your company has a main office and a branch office. Your network contains a single Active Directory domain. The functional level of the domain is Windows Server 2008 R2. An Active Directory site exist...
A.
A stand-alone DFS namespace that uses replication.
B.
A domain-based DFS namespace that uses replication.
C.
A multi-site failover cluster that contains a server located in the main office and another server located in the branch office.
D.
A Network Load Balancing cluster that contains a server located in the main office and another server located in the branch office.
【单选题】以下关于图的说法正确的是( )。 ． I在一个有向图的拓扑序列中，若顶点a在顶点b之前，则图中必有一条弧 Ⅱ若一个有向图的邻接矩阵中对角线一下元素均为O，则该图的拓扑序列必定存在 Ⅲ在．AOE网中一定只有一条关键路径
A.
I、Ⅱ
B.
Ⅱ、Ⅲ
C.
I、Ⅲ
D.
仅有Ⅱ
【单选题】对疾病概念叙述下列哪项较确切
A.
机体功能、代谢和形态结构的异常变化
B.
机体劳动能力减弱或丧失
C.
致病因子作用于机体出现各种症状、体征
D.
致病因素作用使机体发生形态、功能紊乱和、或心理、社会适应的异常
【单选题】According to the author, diversity is
A.
confusing.
B.
extraordinary.
C.
quite common.
D.
universal.
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