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2. solution n. 解决办法, 解答 【填一填➡激活思维】 ①____ _______ __ the problem needs many hours. 解决这个问题需要好几个小时。 ②Many years later, air pollution hasn’t _____ __ __ _______. 很多年以后, 空气污染还没有得到解决。 The solution to come to a solution 【记一记➡构建知识】 (1)arrive at/come to/reach a solution得到解决 hit on a solution突然想到一个解决方法 solution to. . . ……的解决办法; 解决……的办法 (2)solve v. 解决, 解答 *(2017·湖北高考)But sometimes this power can create more problems than it solves. 但是有时候这种能力制造出的问题比它解决的多得多。 3. ahead adv. (时间、空间)在前面; 提前, 预先; 领先 【填一填➡激活思维】 ①The new school was completed ______ __ ____. 新学校提前竣工了。 ②If you want to ask some questions, please ___ ______. 如果你们想问问题, 就请吧。 ③He wanted safety, a home, and a chance to ___ ______. 他希望能获得人身安全, 能组建家庭并且有机会在事业上获得成功。 ahead of time go ahead get ahead 【记一记➡构建知识】 ahead of time/schedule 提前 go ahead 进行吧, 干吧 get ahead 取得进步; 获得成功 go ahead with sth. 开始着手做某事 *The two companies have already agreed in principle to go ahead with the project. | 
