Teaching history is important because students should be able to understand the background to current issues in the news.

教授历史很重要，因为学生应该能够理解新闻中当前问题的背景。

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"Although I have a medical background, I feel the news that's delivered to women is quite brutal," she says.

她说，“虽然我有医学背景，我认为传递给妇女的信息相对当残忍。”

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In terms of the nature thing, this basically means that the phone comes loaded with some splashy water graphics and sound effects as well as plenty of seasonal wallpapers (including some new smart wallpapers like a background news feed).

ENGADGET: Samsung Galaxy S III preview: hands-on with the next Android superphone (video)

But the company has just released the background method for its news feed update.

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Pelley is everything Couric was not: an internal hire, relatively cheap (probably), cast from the traditional anchor mold (read: a white guy with a nice head of hair), with a background primarily in hard news.

FORBES: CBS Plays It Safe with New 'Evening News' Anchor Scott Pelley