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【单选题】
以下不属于代理技术优点的是()。A.
可以实现身份认证
B.
内部地址的屏蔽和转换功能
C.
可以实现访问控制
D.
可以防范数据驱动侵袭
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【单选题】In 2001, R-rated films accounted for the majority of Hollywood films because both domestic and foreign markets were in favor of action movies.
A.
Y
B.
N
C.
NG
【单选题】Insiders 'Insiders,' rated 'R' and with a running time of about two hours and forty minutes is an intelligent thriller about big business versus the little guy. A1 Pacino stars as Lowell Bergman, prod...
A.
the CBS show '60 Minutes'
B.
Jeffrey Wyegand
C.
the Brown and Williamson tobacco company
D.
the corruption of the company
【简答题】According to the MPAA, the movies for which under 17 requires accompanying parent or guardian are rated as ___________.
【简答题】一台活动头磁盘机的盘片组共胡20个可用的盘面,每个盘面直径18英寸,可供记录部分宽5英寸,已知道密度为100道/英寸,位密度为1000位/英寸(最内道)并假定各磁道记录的信息位数相同。试问: (1)盘片组总容量是多少兆位? (2)若要求数据传输率为1MB/s,磁盘机转速每分钟应是多少转?
【简答题】细胞壁的层次，分为______、______和______。
【单选题】2) When an area is rated as“F”, what does“F”mean?
A.
Failure
B.
Full
C.
Forgiveness
D.
Unhealthy
【单选题】A three-phase induction motor has a rated frequency of 50Hz, a rated speed of 2900 r/min, and rated slip of ( ).
A.
0.013
B.
0.034
C.
0.033
D.
0.043
【简答题】根据所处的发育阶段于细胞分为( )和( )。根据发育潜能干细胞分为三类：( )、( )和( )。( )是全能干细胞，而( )是多能或单能干细胞。
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