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【单选题】
广义的电子签名,就是指包括各种电子手段在内的电子签名,通过签名,实现的目的是:( )。A.
鉴别数据电文收件人的身份
B.
签署人与数据电文的内容具有法律关系
C.
D．数据电文的内容具有合法性
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】Hi, boys and girls! Welcome to our museum. It's free . You don't have to pay any money. But we have some rules for you. Please remember them and do as I say. Firstly, don't have food or drink here. Yo...
【单选题】Don't talk loudly at the meeting. If you _____, you will have to leave.
A.
do
B.
are
C.
did
D.
can
【简答题】根据句意和首字母填入补全单词。 1. I don't b_______ he can work out this problem. 2. Don't talk loudly, your father is sleeping at the m_______. 3. It's raining outside. Don't leave u_______ it stops. 4. He was ...
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