7.soda n.
①chemical substance in common use, a compound of sodium苏打 ②soda?water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;tea?strainer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