1. America n.美利坚合众国，美洲 总频率22次。 2.Africa n.非洲(略为Afr.) 总频率6次。 3.Canada n. 加拿大 4.propaganda n. ①ideas, false or true information, etc. spread about officially, esp. by a government宣传，传播 ②organs for propaganda宣传机构 褒义贬义，体会明细！ propaganda作“宣传、广告”讲时常常带有贬义。 【作者建议】此词常含贬义，不可滥用。 5.panda n. a large bearlike animal with black and white fur, originally from China 大熊猫 6.agenda n. things to be done. business to be discussed at a meeting (会议)议程，日程，待议事项 总频率1次。 构词有法，扩散记忆！ 词根ag意思为“做”(do, act),-end是名词后缀，-a表示复数。ag做 -end名词后缀 -a复数→agenda→things to be done待做的事项→会议上待议的事项→议事日程。-a表示复数以-a结尾的词：phenomena现象(复数)→phenomenon现象(单数)；data资料(复数)→datumn资料(单数) 【典型例句】 Now, let’s come to item No.5 on the agenda. 现在让我们讨论议事日程上的第五项。 7.soda n. ①chemical substance in common use, a compound of sodium苏打 ②sodawater苏打水，汽水 8.idea n. a plan, thought, or suggestion for a possible course of action计划，主意，念头 总频率27次，词汇频率1次。 【典型例句】Somebody had the bright idea of recording the meeting. 有人想出了为会议录音的好主意。 【常用词组】 have no idea不知道，无能为力/not one’s idea of 对…无想法/put ideas in someone’s head使某人存奢望。 9.plea n. ①an eager or serious request恳求，请求 ②an excuse辩解，托词 【典型例句】 Their plea of national poverty rings a little hollow.他们关于国家贫困的托辞听上去有些空洞。 【常用词组】 cop a plea承认有罪以求轻判 10.pea n. a round green seed, used for food豌豆 【常用词组】 as like as two peas一模一样
11.area n. ①surface measure, extent of surface面积 ②part of the earth’s surface. region地区，地域 总频率28次,词汇频率1次。
12.sea n. expanse of salt water that covers most of the earth’s surface and encloses its continents and islands. any part of this海，洋 总频率24次。 音同义异，最需注意！ sea和see可以一起记忆，发音相同，但意思不同，由sea可联想到river,ocean,seabed,coast,seasick,seaman等词。 【常用词组】 by sea乘船，由海路 / on the sea在海边，临海 / at sea在海上，茫然，迷惑 / a sea of 一大片，大量的 / follow the sea当海员，做水手 13.nausea n. feeling of sickness (esp as caused by bad food) or disgust. seasickness作呕，恶心，晕船
14.tea n. ①evergreen shrub grown in China, India, etc.茶叶 ②drink made by pouring boiling water o n these leaves茶 ③a small meal, usu. served in the afternoon with a cup of tea午后茶点 总频率2次。 抓住词干，记住一串！ 与tea有关的词：tea green茶绿色；teakettle茶壶；teastrainer滤茶器；tea tray茶盘；teaspoon茶匙
15.sofa n. large comfortable padded seat with raised arms and back, wide enough for two or more people沙发 16.encyclopadia/encyclopedia n. book, or set of books, giving information about every branch of knowledge or on subject, with articles in ABC order.百科全书 17.India n. the country of Indian印度 总频率1次。 18.Australia n.澳大利亚，大洋洲 总频率4次。 Austra. 19.Oceania n. the islands of the central and south Pacific, including Micronesia, Melanesia, Polynesia, and some times Australasia and the Malay Archipelago大洋洲
20.pneumonia n. a serious disease of the lungs with inflammation and difficulty in breathing肺炎