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【单选题】
网络安全的基本属性是（ ）A.
机密性
B.
其它三是
C.
完整性
D.
可用性
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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】—Could you please help me with this problem? —Certainly. First of all, let's __________ the problem and see what went wrong. [ ]
A.
analyse
B.
examine
C.
inspect
D.
survey
【单选题】Would you mind waiting for me at the gate? ________
A.
Sure.
B.
Certainly.
C.
Not at all.
D.
Yes.
【单选题】He certainly looked the part all right, he thought as he ______ himself in the mirror.
A.
looked
B.
showed
C.
admired
D.
enjoyed
【单选题】Certainly no creature in the sea is odder than the common sea cucumber. All living creature, especially human beings, have their peculiarities, but everything about the little sea cucumber seems unusu...
A.
h helps them to digest their food.
B.
It helps them to protect themselves from danger.
C.
It makes it easier for them to move through the mud.
D.
It makes them attractive to fish.
【单选题】Certainly no creature in the sea is odder than the common sea cucumber. All living creatures, especially human beings, have their peculiarities, but everything about the little sea cucumber seems unus...
A.
the reason for the sea cucumber's name.
B.
what makes the sea cucumber unusual.
C.
how to identify the sea cucumber.
D.
places where the sea cucumber can be.
【多选题】下列各项属于车辆购置税应税行为的是( )。
A.
以拍卖方式取得并使用应税车辆
B.
以抵债方式取得并使用应税车辆
C.
以走私方式取得并使用应税车辆
D.
以罚没方式取得并使用应税车辆
【单选题】There has certainly been a rise in enquiries______the law, and its from people of all walks of life.
A.
in addition to
B.
in relation to
C.
in view of
D.
in spite of
【简答题】面向对象程序设计方法具有( )、( )、( )和( )等特点。
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