题目内容

A()is a special type of parent company that exercises little operating control over the subsidiary,merely“holding”its stock as an investment.

A. Public company
B. holding company
C. firm
D. conglomerate

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什么是二类压力容器?

要实现快速运动可采用以下哪种回路?()

A. 差动连接
B. 调速阀调速
C. 容积调速
D. 容积节流调速

电解质的初晶温度随AL2O3含量的增加而()。

Which item represents the standard IP ACL?()

A. access-list 50 deny 192.168.1.1 0.0.0.255
B. access-list 110 permit ip any any
C. access-list 2500 deny tcp any host 192.168.1.1 eq 22
D. access-list 101 deny tcp any host 192.168.1.1

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