3．D　根据空前的“You may think you're saving calories for later.”可知，你可能认为你在节省卡路里，故D项“事实上这会导致你之后暴饮暴食”符合语境。

　　4．B　根据此段中的“eat regular meals and snacks every few hours”可知，作者建议每隔几个小时吃一些零食，故B项符合语境。

　　5．F　根据此段中的“Schedule your runs like appointments”可知，跑步要像约会一样要安排好，故F项“如果你安排好了跑步，你才更有可能完成它”符合语境。

　　三、语法填空

　　(2016•河南洛阳测试)

　　Life in the new century is different. In the 21st century, technology is developing __1__ (fast) than before. New technological wonders surprise us. __2__， they make us want more of the comfort that they create. One of these wonders is television. __3__ has become so popular all over the world that there is almost no country, region or village __4__ people don't know what a TV set is. Also, it is universally considered that television plays __5__ important role in people's life.

　　Television is the main source of information for many people. It provides us __6__ the necessary information and keeps us __7__ (informal) during the day.

　　Also, television is a way for many people to entertain. It offers a great many possibilities to have __8__.

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