2013年大学英语四级词汇分层妙记-高频词汇(3)

　　accumulate
　　vt.堆积，积累，积聚accumulate books收藏书籍vi.累积，聚积Dust had accumulated during her absence.她不在时灰尘积了起来。
　　真题例句：Accumulated energy under the earth must be released in one form or another, for example, an earthquake.(2002.1词汇52题)
　　译文：地下集聚的能量必须以一种或其他方式释放出来，比如地震。
　　辨析accumulate assemble gather collect
　　四个动词意思相近。
　　①accumulate v.积累，积聚。指有规则地、逐渐地、不断地大量积聚(知识、财物等)。accumulate wealth 积聚财富。
　　②assemble vt.搜集，调集assemble forces调集兵力;assemble evidence收集证据vi.聚集(人或事为某种共同目的聚集在一起，为特定计划而统一行动等)。
　　③gather v.搜集;集合,使聚在一起
　　④collect v.收集, 采集; 领取; 使集合。
　　accuracy
　　n.准确(性)，精确(性)predict sth.with great accuracy 极准确地预言某事物
　　真题例句：They checked the accuracy of the map by testing 200 hair samples collected from 65 barber shops.(2009.6阅读2)
　　译文：通过测试从65家理发店收集的200根毛发样本，他们核查了地图的准确性。
　　accurate
　　a.①正确无误的accurate statistics准确的统计②准确的，精确的take accurate aim 瞄得准
　　真题例句：They were able to accurately place the hair samples in broad regions roughly corresponding to the movement of raid systems.(2009.6阅读2)
　　译文：他们能够把头发样本准确地放在广泛地区，这些区域大致对应着袭击的行动。
　　真题例句：The statistical figures in that report are not accurate.You should not refer to them.(2001.1词汇60题)
　　译文：那份报告里的统计数据不准确。你不应该参考它们。
　　achieve
　　vt.完成，实现，达到achieve one’s ambition实现抱负vi.成功，达到目的
　　真题例句：Merit-based aid is aid offered to students who achieve excellence in a given area, and is generally known as academic and artistic merit scholarships.(2009.12快速阅读)
　　译文：基于成绩的援助提供给在某一特定领域取得优异成就的学生，这也就是众所周知的学术和艺术价值奖学金。
　　achievement
　　n.①成就，成绩a great achievement大成就②达到，完成，实现，取得
　　真题例句：We still believe in rewarding superior achievements and know that these top students truly value the scholarship.(2009.12快速阅读)
　　译文：我们仍然相信会以较高的成就作为回报，并且了解到这些优秀的学生真正地珍惜这个奖学金。
　　真题例句：Imagination is a valuable quality and a motivating power, and stimulates achievement.(2008.12选词填空)
　　译文：想象是一种可贵的品质，是成功的动力。
　　acknowledge
　　vt.①承认，承认……的权威(或主张)a generally acknowledged fact 公认的事实②告知收到，确认I acknowledged her letter at once.我马上告知收到了她的信。③对……表示谢忱，报偿to acknowledge the cheers of the crowd对大众的欢呼表示感谢
　　真题例句：The executives acknowledge that they try to swing national eating habits to a food created in America…(2005.12阅读2)
　　译文：主管承认他们尝试将全国的饮食习惯转向一种美国制作的食物。
　　acquire
　　vt.①取得，获得to acquire experience in how to do the work获得了做这工作的经验 ②学到to acquire a large vocabulary学到大量词汇;an acquired taste逐渐培养的爱好
　　真题例句：Most students attend a university mainly to75the knowledge needed for their chosen profession.(2008.6完形75题)
　　A acquire B accept C touch D grasp
　　译文：大多数学生上大学主要是为了获取他所选择的行业所需的知识。
　　解析：A。根据上下文，此处表达是获取知识的意思，acquire“获得(技能，知识等)”与knowledge 搭配符合句意。
　　辨析acquire achieve attain
　　三个动词都有“取得”之意。
　　①acquire：(经过努力)获得(知识、信息等)。
　　②achieve：实现目标，取得成功，着重在达到一定目的过程中所包含的技能和努力。
　　③attain：达到(目的等)，取得(成就等)，一种比较庄重的说法，常用于一般人能力不易达到的目的。
　　activity
　　n.①活动，行动outdoor activities户外活动 ②活跃，活力The house has been full of activity all day.房子里整天都很热闹。
　　真题例句：Water and heat from volcanic activity are two basic conditions needed for life to form.(2009.12听力)
　　译文：火山活动的水和热量是生命形成所必需的两个基本条件。