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【判断题】
公钥加密需要使用一个密钥对数据进行加密,但是需要使用不同的密钥对数据进行解密。A.
正确
B.
错误
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举一反三
【单选题】_______ people lost their lives in the traffic accident. [ ]
A.
Three hundred
B.
Three hundred of
C.
Three hundreds of
D.
Hundred of
【单选题】This is the short story that he has written.
A.
three hundred and forty-fifth
B.
three hundred and forty-fifth
【单选题】There are _________days in a year. A. three hundred sixty-five B. three hundreds sixty-five C. three hundred and sixty-five D. three hundred sixty five
A.
three hundred sixty-five
B.
three hundreds sixty-five
C.
three hundred and sixty-five
D.
three hundred sixty five
【单选题】提出细胞学说的科学家是:
A.
Robert Hooke和Leeuwen Hoek
B.
Crick和Watson
C.
Schleiden 和Schwann
D.
Sichold和Virchow
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