2、大于f时,物近像远像变大;当u小于f时,物近像近像变小。凸透镜和凹透镜的三条特殊的光仅供学习与交流,如有侵权请联系网站删除谢谢6精品好文档,推荐学习交流2019年雅思考试巩固模拟试题及答案1 NextYearMarkstheEU's50thAnniversaryoftheTreaty仅供学习与交流,如有侵权请联系网站删除谢谢6精品好文档,推荐学习交流 A. Afteraperiodofintroversionandstunnedself-disbelief,continentalEuropeangove
3、rnmentswillrecovertheirenthusiasmforpan-Europeaninstitution-buildingin2007.WhethertheEuropeanpublicwillwelcomeareturntowhatvotersintwocountrieshadrejectedsoshortatimebeforeisanothermatter. B. ThereareseveralreasonsforEurope’srecoveringself-confidence.Fory