答案　C

解析　句意为：在开始写作之前我们必须先选定一个主题。decide on确定，选定，符合语境。decide between在......之间作出选择；decide to do...决定做......；decide against决定不(做)......。

11．-Lao Li，you were late for the meeting and our boss got very angry.

-Sorry，but I was________ for 20 minutes on the way here in the traffic jam.

A．held up B．put up

C．taken up D．given up

答案　A

解析　考查动词短语辨析。句意为：--老李，你开会迟到了，老板很生气。--很抱歉，但我在来这儿的路上交通拥堵耽搁了二十分钟。表示"耽搁"用hold up。put up建造，张贴；take up占据；give up放弃，都不符合句意。

12．The thin but fit girl suddenly ________ on the final lap，caught up with other runners and came first in the 5,000 meters.

A．put up B．turned up

C．took up D．speeded up

答案　D

解析　句意为：那个瘦小而健康的女孩在最后一圈突然加速，赶上了其他的参赛者，获得了五千米跑步的冠军。Put up张贴；turn up出现，露面；take up占据，从事；speed up加速，促进。

13．When you ________a form，please write information in the spaces on it.

A．fill in B．fill with C．fill up D．fill of

答案　A

解析　句意为：当你填写表格的时候，请在上面的空格中填写信息。fill in填写(表格)；fill with充满；fill up装满；没有fill of这种搭配。由句意知选A项。

14．Every year accidents________ from carelessness while driving result in many deaths.

A．rising B．arousing C．raising D．arising

答案　D

解析　句意为：每年由于粗心驾驶引起的交通事故造成了很多人死亡。arisefrom由......引起，符合题意。故选D。

15．________full preparations，Tony was quite confident about the coming interview.