Here are some of his tips for taking control:

　　Add up your total leisure time spent with technology.The average American spends six hours a day on digital entertainment (including TV and video games)．Aim to reduce the total by 10 to 20 percent，freeing up more time for family and friends.

　　Make regular family dinners a priority.Research shows that teenagers who talk about their day with family members at the dinner table (instead of eating alone in front of a screen) are less likely to engage in high-risk behavior.

　　Vary your tasks.Alternating between household chores throughout the day reduces the stress associated with a computer-centered lifestyle.Switch often between answering e-mails，returning calls，and writing a document.

　　56．The underlined word in the first paragraph possibly means ________.

　　A．damage

　　B．advantage

　　C．benefit

　　D．convenience

　　解析：选A。词义猜测题。上文提到“电脑、掌上电脑、视频游戏、苹果板式电脑”的优点，即“使我们保持联系，给我们提供了娱乐”；故由此处的but可知，downside与上文是反义关系，故选择A项，即“对于我们的健康来说也是一种危害”。

　　57．Which statement in the following agrees with the tips in the text?

　　A．Try to spare more time with our family and friends as well as with the computer.

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