ⅰ.单项填空 1.finding information in today’s world is easy.the________is how you can tell if the information you get is useful or not. a.ability b.competition c.challenge d.knowledge 解析: 句意为:在当今时代中找到信息是一件很容易的事,但区分出这些信息是否有用的确是一个难题。由题意知,其他三项均不符合。答案: c 2.john has a very good________of foreign stamps,which is said to be very valuable. a.ambition b.combination c.characteristic d.collection 解析: 考查名词辨析。句意为:约翰收藏了大量的外国邮票,据说有很大价值。collection收集,收藏,符合题意。ambition雄心,野心;combination结合;联合;characteristic特征,特色。