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● 在计算机网络的数据通信中广泛使用的校验方式是 (15).....
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A.It is thrown away.B.It is burnt.C.It is turne.....
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● 下列关于数据与信息之间关系的描述中,不正确的是 (14.....
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A.Because their environment is becoming more and more dirty.B.Because the traditional ..
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● 下列上网行为中,不会影响系统和个人信息安全的是 (13.....
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Section BDirections: In this section, you will hear 3 short passages. At the end of each p..
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