精选优质文档-倾情为你奉上2012年全国高考模拟参考部分2006-2007高考英语第一轮复习系列试题集 高三篇(上)一.单项选择实战训练及精析:(第一组)1.It is difficult to judge what words are _ and what words are not.A.worth to look up B.worth being looked upC.worth looking up D.worthy of looking up 解析:短语be worth后面要求跟动名词形式,且用主动形式表示被动的意思,而be worthy后的结构为of being done或to be done。答案:C2.The brake of your bicycle has come loose.Youd better_it.