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下列行为不违反《中华人民共和国计算机系统安全保护条例》的是（）。
A.故意输入计算机病毒危害系统安全B.未经许可将他人邮箱地址公布于论坛上C.不遵守计算机信息系统国际联网备案制度D.未经许可出售计算机信息系统安全专用产品
Which of the following statements about task design is incorrect？
A.Activities must have clear and attainable objectives. B.Activities should be confined to the classroom context. C.Activities must be relevant to students'' life experiences. D.Activities should help develop students'' language ability.
Tom is snobbish, always _______ the influential peopl。
A.making out for B.making up C.making up to D.making up for
Which of the following is a typical feature of informal writing？
A.A well-organized structure is preferred B.Short and incomplete sentences are common. C.Technical terms and definitions are required D.A wide range of vocabulary and structural patterns are use
信息技术教师对小组合作学习有效性的评价应主要考虑哪方面的因素？
