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【单选题】
通电螺线管电流方向如图 1.1 所示 , 请画出磁力线方向。A.
向上
B.
向下
C.
向左
D.
向右
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】发生()后，磁盘上的物理数据和日志文件被破坏，这是最严重的一种故障，恢复方法是重装数据库，然后重做已完成的事务。
A.
系统故障
B.
事故故障
C.
介质故障
D.
软件故障
【简答题】杠杆法的基本假定为:忽略主梁之间横向结构的联系作用,假设桥面板在主梁( )处断开,看作支承于主梁上的( )或( )。
【单选题】When the leaders of the new economy say they're not in it for the money, that's not just bad for business. It's bad for everyone. Some of the pioneers of the new economy are saying very strange things...
A.
engage in commercial activity for the purpose of economic gain
B.
are driven largely by non-profit motives
C.
do the things that they do for love
D.
tend to search for meaning in their lives
【单选题】关于公司最优资本结构的选择，下列说法不正确的是( )。
A.
股东与经理层之间的利益冲突所导致的代理成本又被称为“外部股东代理成本”
B.
债权人与股东之间的利益冲突以及与债权相伴随的破产成本又被称为“债券的代理成本”
C.
代理成本理论认为，伴随着股权一债务比率的变动，公司选取的目标资本结构应比较负债带来的收益增加与两种代理成本的抵消作用，从而使公司价值最大化
D.
股东与经理层之间的利益冲突所导致的代理成本又被称为“债券的代理成本”
【单选题】It is hard to tell whether we are going to have a boom in the economy or a
A.
concession
B.
recession
C.
submission
D.
transmission
【单选题】When the leaders of the new economy say they're not in it for the money, that's not just bad for business. It's bad for everyone. Some of the pioneers of the new economy are saying very strange things...
A.
engage in commercial activity for the purpose of economic gain
B.
are driven largely by non-profit motives
C.
do the things that they do for love
D.
tend to search {or meaning in their lives
【单选题】介质故障导致数据库破坏而采用的恢复方法是( )。
A.
撤销事务对数据库的修改
B.
重新执行事务
C.
利用后备副本和日志文件恢复
D.
撤销未完成的事务,重做已完成的事务
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