电视做作业只会事倍功半。D项中的TV与该段中的cellphone, computer相呼应。

　　3．选B　根据该段的小标题Do it as early as possible可知，要尽早做作业，因此B项符合语境。

　　4．选A　本段主要介绍应如何合理分配各个科目的作业时间，故A项概括了本段大意。

　　5．选F　根据上文中的"take a small break"和"finish your homework"可知，短暂休息过后，最终还是要继续完成作业。

第二节：完形填空(共20小题；每小题1.5分，满分30分)

　　阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

　　Ted Schredd doesn't like cars. He wants people to stop __1__ because cars make the air dirty. Ted had a(n) __2__. He said, "I'm going to cycle (骑自行车) around North America. I want to show everyone that cycling is a __3__ way to get around. If more people ride bikes, the air will be __4__."

　　He left his __5__ with D|S160 in his pocket. When he __6__ San Diego, he met another cyclist. The cyclist __7__ Ted to speak at a big meeting about the __8__. He said, "We'll buy you a ticket to Texas." Two hours later, Ted was on a plane to the environmental conference and to a big __9__！

　　While he was at the conference, he met Deanna. It was __10__ at first sight! They talked for six hours. The next day, Ted asked Deanna to __11__ the trip with him. Deanna said yes, and was on the road with Ted 20 days later!

　　"It was __12__ at first，" said Deanna."Ted got up __13__ every morning, around 6：00 a．m., but I wanted to sleep until noon." After a few days, they started having fun. __14__ they cycled from Florida to Montreal and then back to Vancouver, every day was __15__. They had free meals in many restaurants, and __16__ in people's backyards during the night. __17__， they made many new friends on the way.

　　On their way back to Vancouver, they __18__ in Edmonton to visit Ted's parents. During the stopover, they got __19__. People wished them to grow old and happy together. They now want to __20__ a book about the trip."We want people to know that you can be an environmentalist and still have fun，" Schredd said.

语篇解读：本文是记叙文。一位男子骑自行车环游北美，倡议人们绿色出行。

　　1.A.crying B．smoking

C．driving D．worrying