题目内容
Wi-Fi is a short way of saying _______ fidelity.
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A computer _______can infect (感染) your files and corrupt (腐烂) your hard disk.
Study found that children as young as 8 were using social media platforms(平台) largely for _______.
Few can _______more than a week without water.
_______ refer to those who break in computers to spy or steal one’s private information.
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