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【多选题】
影响计算机系统安全的主要风险有（ ）。A.
政治风险
B.
系统故障风险
C.
道德风险
D.
计算机病毒
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【单选题】Although I have traveled to many scenic spots before，________of them are as attractive as the one I visited this summer vacation. [ ]
A.
any
B.
none
C.
neither
D.
all
【简答题】看图填空，完成短文。 I have two pet dogs. Look at Vivi. She is white with black spots. She's very beautiful. Titi is a short and fat dog, but he is very cute. He is __________ and __________ than Vivi. Vivi's l...
【单选题】—You wouldn't be interested in two tickets for tonight's concert, would you? —_______, I wouldn't.
A.
Not much
B.
very much
C.
too much
D.
that much
【简答题】choose two spots and complete the landmark description
【单选题】Time______, we will arrange for the tourists to visit two or three more remote spots of culture value.
A.
permits
B.
permitting
C.
permitted
D.
to be permitted
【简答题】You probably know you should say ‘please’ and ‘thank you’ at restaurants. You probably know the rules of a library. You know you should respect and be nice to your classmates. But do you have music ma...
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