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【单选题】
According to the news item, which of the following statements is CORRECT?A.
Different states could have their own health guidelines.
B.
Health guidelines could not be revised by the government.
C.
Troops could have the same health regulations as civilians.
D.
Federal government could question states' health regulations.
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举一反三
【简答题】操作系统提供给应用程序的接口是( ).
【简答题】在电子产品电路中，接地点又称为底板，何为热底板与冷底板？
【单选题】Scientists have made a new computer program ________ allows the computer to cry out for help if someone has stolen it. [ ]
A.
who
B.
which
C.
what
D.
when
【单选题】在采用国际多式联运的运输方式时，应当由（）对货物的全程运输总负责
A.
进口方总负责
B.
出口方总负责
C.
不同的承运人各自承担各自负责
D.
国际多式联运的经营者总负责
【单选题】A personal computer attached to a LAN is referred to as a _________ .
A.
host
B.
router
C.
gateway
D.
node
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