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【单选题】
《守城录》是谁的著作?()A.
B.
陈规
C.
成吉思汗
D.
孙子
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【单选题】The theory about a Snowball Earth is significant in that it can ______.
A.
decode the mystery of life
B.
predict the formation of a new supercontinent
C.
adjust the planet's climate
D.
prevent another Snowball Earth from happening
【单选题】??The "landing strips for aircraft"(in Paragraph 2) were really______??
A.
mysterious archaeological spectacles
B.
balloon landing places
C.
deserted airports
D.
ground-drawings on a vast scale
【单选题】All of the following are mentioned to suggest that the Bermuda Triangle is really a mysterious area EXCEPT______.
A.
the U.S. cargo boat Marie Celeste
B.
five U.S. bombers on a routine training flight
C.
the U.S. Navy nuclear submarine Scorpion
D.
the U.S. Navy ship Cyclops
【单选题】There is a mystery about his death and the police are_____it.
A.
looking for
B.
looking into
C.
looking after
D.
looking over
【多选题】关于信息安全防护技术，以下表述正确的是
A.
消息摘要和数字签名都以密码技术为基础。
B.
消息摘要技术可以保证消息的真实性和不可否认性。
C.
访问控制包括认证、授权、文件保护和审计。
D.
隐私保护是指通过技术或法律手段对个人或组织的信息进行保护使其不被泄露。
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