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【多选题】
信息安全,是哪三者紧密结合的系统工程( )。A.
人员
B.
操作
C.
技术
D.
服务
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皮皮学刷刷变学霸
举一反三
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【单选题】Whenever we (hear of) a natural disaster, (even) in a distant part of the world, we feel (sympathy) for the people (having affected).
A.
hear of
B.
even
C.
sympathy
D.
having affected
【简答题】常见植物分类方法有哪些?
【单选题】Whenever an earthquake happens, we should offer ________ help we could, to those victims. [ ]
A.
however
B.
whenever
C.
whatever
D.
whichever
【单选题】Whenever a natural disaster happens, we should offer ____ help we could to those victims.
A.
however
B.
whatever
C.
whenever
D.
whichever
【单选题】Whenever we hear of a natural disaster, we feel sympathetic to the people to be affected.
A.
to have affected
B.
to have effected
C.
who have been effected
D.
who have been affected
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