教师在教学中引用史料要遵循适切性原则，为此应该重点考虑哪些方面?

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

Portfolios, daily reports and speech delivering are typical means of ___________。

A.norm-referenced test B.criterion-referenced test C.summative assessment D.formative assessment

Which of the following tasks fails to encourage active language use？

A.Reciting a text. B.Bargaining in a shop. C.Writing an application letter. D.Reading to get a massag

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 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.