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【单选题】
常规密钥密码体制又称为(1)，它是指(2)的密码体制。属于常规密钥密码体制的密码是(3)。采用密钥流序列作为密钥序列的属于(4)。国际数据加密算法IDEA属于(5)。A.
不对称密钥系统
B.
对称密钥系统
C.
双密钥系统
D.
分组密钥系统
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举一反三
【单选题】The woman in a red coat is from __________.She speaks_________. [ ]
A.
France ; French
B.
French ; France .
C.
France ; France
D.
French ; French
【单选题】He quickly discovered that Brazil, rather than being some stagnant backwater, was an auto market ______with growth.
A.
exploding
B.
exploiting
C.
exploring
D.
expanding
【单选题】According to___________,“one is not born, but becomes, a woman.”
A.
Simone de Beauvoir
B.
Susan Sontag
C.
Judith Butler
D.
Freud
【简答题】A．Its geography is similar to Brazil's. B．Their instinct leads them to the place they were hatched. C．There are other species of turtles located there. D．Its climate is milder than Brazil's.
【单选题】---Is the man over there Mr. Brown? ----It ______ him. He has gone to Brazil to watch the 2014 FIFA World Cup.
A.
may not
B.
can’t be
C.
shouldn’t
D.
mustn’t
【单选题】As they ____ over their options, all roads eventually led to Brazil.
A.
pored
B.
calculated
C.
considered
D.
judged
【简答题】按照魏玛宪法规定，国家的最高立法机构应当是()。 A国会和众议院 B国会和参议院 C参议院和众议院 D下议院和政府
【单选题】------I think Brazil will win the World Cup 2010. ------________________ But German is playing as well as Brazil now.
A.
I don’t hope so.
B.
Do you really think so?
C.
You are wrong.
D.
There is no doubt.
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