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【单选题】
在数字信封中，加密信息被分成密文和信封两部分，使用（）加密方法来加密会话密.A.
钥形成数字信封
B.
对称
C.
对称或非对称
D.
对称和非对称
E.
非对称
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【简答题】The contract between a party who agrees to accept the risk and a party seeking protection from the risk is a contract of（ ）．
【简答题】核酸在生物富集中也具有十分重要的作用,如( )与( )因含N、OH、NH2等基团,很容易与金属离子结合。
【单选题】根据以下资料，回答20~23题。 There are many stereotypes about the character of people in various parts of the United States．In the Northeast and Midwest, people are said to be closed and private．In the South and ...
A.
even Americans are surprised at the big differences among themselves
B.
there are many differences in character in different parts of the USA
C.
there are many reason for the differences
D.
stereotypes about people are not necessarily true
【单选题】根据《中华人民共和国行政诉讼法》规定，下列选项中，属于行政诉讼受案范围的是
A.
不服行政处罚的案件
B.
国防、外交等国家行为
C.
法律规定由行政机关最终裁决的具体行政行为
D.
行政机关对行政机关工作人员的奖惩、任免等决定
【单选题】There are many stereotypes (定型) about the character of people in various parts of the United States. In the Northeast and Midwest, people are said to be closed and private (私有的,秘密的). In the South and ...
A.
even Americans are surprised at the big differences among themselves
B.
there are many differences in character in different parts of the USA
C.
there are many reasons for the differences
D.
stereotypes about people are not necessarily true
【单选题】根据《行政诉讼法》及其司法解释的相关规定，下列选项中属于行政诉讼受案范围的是( )。
A.
行政机关作出责令改正或限期改正违法行为的行为
B.
具有强制力的行政指导行为
C.
法律规定的仲裁行为
D.
法律规定由行政机关最终裁决的具体行政行为
【单选题】There are many stereotypes about the character of people in various parts of the United States. In the Northeast and Midwest, people are said to be closed and private. In the South and West, however, ...
A.
even Americans are surprised at the big differences among themselves
B.
there are many differences in character in different parts of the USA
C.
there are many reason for the differences
D.
stereotypes about people are not necessarily true
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