What is clipboard?, What is HOTMAIL?, /What is cell?, What is a cursor?, What is the use of ink equations?, What is the use of smart look up?, How is ink annotation helpful to us?, Who sent the first E-mail?, What is the difference between Cc and Bcc, write the name of two search engine and web browser.

class 5

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随机卡是一个开放式模板。它不会为排行榜生成分数。

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