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【多选题】
《电子签名法》第六条规定：符合下列条件的数据电文，视为满足法律、法规规定的文件保存要求：A.
能够有效地表现所载内容并可供随时调取
B.
数据电文的格式与其生成、发送或者接收时的格式相同，或者格式不相同但是能够准确表现原来生成、发送或者接收的内容
C.
能够识别数据电文的发件人、收件人以及发送、接收的时间
D.
件人授权发送的
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举一反三
【单选题】蛋白质的三级结构是指
A.
蛋白质主链分子的空间构象
B.
蛋白质所有原子的空间排布
C.
多个亚基所构成的空间构象
D.
蛋白质分子中氨基酸的排列顺序
E.
以上都不对
【简答题】A.Because they want to retum to the job market． B.Because they want to leam something new． C.Because they want to make up for the education they missed． D.Because they want to prove themselves to be u...
【单选题】What do the airline companies want to do?
A.
They want to increase profits.
B.
They want to benefit the passengers.
C.
They want to sell cheap seats.
D.
They want to beat their competitors.
【单选题】蛋白质的三级结构是指
A.
蛋白质分子中所有原子的空间排布
B.
蛋白质分子中主链骨架原子的空间排布
C.
蛋白质分子中侧链原子的空间排布
D.
蛋白质分子中所有肽链的空间排布
【单选题】What do they want to do?
A.
They want to study.
B.
They want to read.
C.
They want to play game.
【简答题】A．They want to be great soldiers. B．They want to be savages. C．They want to win then they can be right. D．They want to be civilizations.
【单选题】Where do the mother and her son want to go?
A.
They want to go to London.
B.
They want to go to a concert.
C.
They want to go to Oxford.
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