260. nature (n.)自然界, 大自然, 本性, 天性---natural (a.)280. possess (v.)拥有，占有，控制---possession (n.) 自然的,自然界的; 天生的---naturally (adv.)自然地;天生262. negotiate (v.) (与某人)商议, 谈判, 磋商284. present (n.)礼物(v.)出席,呈现,提出,赠送(a.)出席的,---negotiation (n.)[常用复]谈判, 磋商；准备, 安排在场的,现在的---presentation (n.)呈现,展示,陈述263. occupy (v.)占, 占用, 占领, 占据---occupation (n.)职271. permit (v.)允许---permit (n.)许可证---permissi on (n.) 272. person (n.)个人---personal (a.)个人的,亲自的---personally(adv.)---personality (n.)个性,名人273. persuade (v.)说服(a.)空闲的,有闲的---persuasion (n.)---mistaken (a.)弄错的,错误的,被误解的说服(力) ---persuasive (a.)有说服力的，打动人心的，劝mistake…for…把…误认为… be mistaken 诱的for 被误认为… 274. phenomenon (n.)现象---(复数)phen omena 275. physics (n.)物理学---physician (n.)内科医生---physicist (n.)物理学家---physical (a.)物理的，身体的，276. p leasant (a.)令人愉悦的，舒适的---please (v.)使喜277. poison (n.)毒品(v.)使中毒，下毒，污染---poisonous ---moving (a.)动人的，令人感动的---moved (a.)感动(a.)有毒的，恶毒的，讨厌的的，被移动的278. politics (n.)政治---political (a.)政治的，党派的279. pollute (v.)污染---p ollution (n.) 260. nature (n.)自然界, 大自然, 本性, 天性---natural (a.)280. possess (v.)拥有，占有，控制---possession (n.)自然的, 自然界的; 天生的---naturally (adv.)自然地;天生281. possible (a.)可能的---possibly (adv.)---possibility (n.) 地;理所当然in nature 性质上; 实际上, 事实上282. practice (n.)实践，练习---practice (v.) ---practical (a.)261. necessary (a.)必要的,必需的---necessarily (adv.)必要实际的，实用的地---necessity n.必要性, 需要,必需品267. particular (a.)尤其---particularly (adv.) be ---regulation (n.)规则，条例，管理regulations(pl.) particular about 对…挑剔，讲究283. prefer (v.)更喜欢---preference (n.)偏爱，倾向285. probable (a.)可能的---probably (adv.) 业, 占有, 占有(房屋等) 286. proce (v.)发音---probe occupied in 正在(做某事) occupy oneself 287. protect (v.)保护---protection (n.) ---protective (a.)保with /in 从事于..., 忙于..., 专心于... 护性的，防护的protect …from /against… 保护…免受… 264. own (a.)自己的, 特有的(v.)拥有, 承认---owner (n.)288. punish (v.)惩罚---punishment (n.)所有者, 业主---ownership (n.)所有权, 物主身份289. real (a.) 真正的---really (adv.)---reality (n.)现实，实际on o ne’s own=by oneself独自地；靠自己---realize (v.)实现，意识到265. paint (n.)油漆,涂料(v.)油漆,绘画,粉刷---painter (n.) ---realistic (a.)现实的，现实主义的，逼真的画家,油漆匠---painting(n.)油画，绘画290. receive (v.)接收,接待---receptio n (n.)接收，接待266. participate (v.)参加---participation (n.)参与(处)---receptionist (n.)接待员，前台---participant (n.)参与者(a.)参与的，有关系的291. regular (a.)有规律的,定期的---regularly (adv.) 292. relate (v.)相关,关联---relation (n.)/ relationship (n.)关268. patience (n.)耐心---patient (a.)耐心的(n.)病人系，关联---patiently (adv.)有毅力地，耐心地---relative (n.)亲属(a.)相对的,有关系的---related (a.) 269. peace (n.)和平---peaceful (a.) 有关系的---relevant (a.)相关的---relatively (adv.)相当地，相对地be related / relative / relevant to 与…有关293. rely (v.)依靠，信赖---reliable (a.)可信赖的，可依靠的rely on/upon 依靠，依赖294. refer (v.)参考,查阅,提及,涉及---reference (n.)参考书,涉及,提及,介绍信---referee (n.)裁判员，介绍人refer to参考,查阅,指的是be referred to as被称为… 295. religion (n.)宗教---relig ious (a.) 296. require (v.)需求---requirement (n.)297. reserve (v.)保留,预约(n.)储备,保护区---reservation (n.)预约,预订,保留---reserved (a.)预订的,保留的298. re tire (v.)退休---retirement (n.) 299. resist (v.)抵制---resistance (n.)300. respond (v.)回应,响应---response (n.)回答，响应---responsible (a.)有责任的,负责的---responsibility (n.)责任，义务301. review (v.)复习,回顾,评论,修订,检讨---revision (n.) 302. revolution (n.) 革命---revolutionary (a.)革命性的30 3. rule (n.) 法规，规则，常规尺，统治者break one’s rule破例make it a rule to do sth.养成做某事的习惯304. run (---ran, run) (v.)跑步；管理；经营---running (a.)跑着的，连续的，流动的，运转着的running water自来水run across偶然遇到，跑着穿过run into撞上，陷入，偶然遇到run out（of）用完，耗尽305. sad (a.) ---sadly (adv.) ---sadness (n.)---(同义词)unhappy / upset---(反)happy306. safe (a.)安全(n.)保险柜---safely (adv.) ---safety (n.)---(同义词)secure / security ---(反)dangerous /danger 307. sale (n.)销售，出售---sell (v.) ---salesman /saleswoma n (n.)推销员,售货员（复数salesmen / saleswomen）for sale待售；on sale出售上市，廉价出售308. salt (n.)盐(v.)用盐腌，给…加盐---salty (a.)咸的，含盐的309. sand (n.)沙（子）---(复) sands(n.)沙滩310. satisfy (v.)使满意--- satisfaction (n.) 满意--- satisfactory (a.) 令人满意的---satisfied (a.)（感到）满意的---satisfying (a.)令人满意的be satisfied with… 对…感到满意far from satisfactory远远不能令人满意；satisfy(meet) sb’s demand满足某人的要求311. save (v.) 救，节省，储存；--- savings (n.) 储蓄金，存款312. scene (n.) (戏剧电影)一场，场景--- scenery (n.)景色，风景313. scholar (n.) 学者--- scholarship (n.)奖学金314. science (n.) 科学，理科---scientific (a.)科学的---scientist (n.)科学家315. seat (n.)座位(v.)使坐下---seated (a.)就座的be /get seated 请坐下316. second (n.) 秒，第二名(a.)第二的，次要的(adv.)第二，其次---secondly (adv.)第二，其次second only to仅此于317. secretary (n.)秘书，书记---secret (n.)秘密general secretary 总书记,秘书长= secretary general discover a secret发现秘密keep a secret保守秘密let out t he secret泄露秘密318. selfish (a.)自私的---selfishness (n.)自私，自我中心---（反）unselfish / selfless无私的---unselfishness (n.)无私，慷慨self-confident自信的319. sense (n.) 感官，感觉，意义(v.)感觉到，检测--- sensitive (a.)敏感的, 易受影响的sense of sight/ touch/ smell/ hearing/ taste视觉/触觉/嗅觉/听觉/味觉a sense of duty/ success/ relief责任感/成功感/如释重负make (a) sense 讲得通，有意义make (a) sense of 弄懂320. separate (v.)使分开(a.)单独的，分开的---separation (n.)分离, 间隔separate…from 把…和…分开321. serve (v.)招待，服务---service (n.) 效劳，服务，招待serve as 充当，担任Serve the people heart and soul.全心全意为人民服务at sb’s service 听候某人吩咐322. settle (v.) 安顿，定居，解决---settlement (n.) ---settler (n.)移居者settle down 安顿下来, 定居，安下心来settle in 迁入，安定下来323. shame (n.) 羞愧，耻辱---shameful (a.)可耻的,不道德的---ashamed (a.)感到惭愧的/羞耻的be ashamed of 为…感到羞耻/难为情324. share (n.)一份；股票（=stock）(v.)共享，共用---shared (a.)共享的share capital股本; share dealing股票交易；share markets股票市场;share sth. with sb. 和某人共享某物325. sight (n.)视力，视觉---sightseeing (n.) 观光，游览---nearsighted (a.)近视的in sight 看得见，out of sight看不见；catch sight of 瞥见；go sightseeing去观光326. silent (a.)无声的---silence (n.)寂静in silence 默不做声keep silent沉默不语,不吭声；keep silence 保持安静.327.simple (a.)简单的；--- simplify (v.)使简单化328. skill (n.) 技能，技巧；---skillful (a.)熟练的329. sleep（---slept, slept）(n.&vi.)睡觉--- sleepy (a.)困乏的；昏昏欲睡的have a good(sound) sleep睡的很熟；go to sleep就寝，入睡；feel sleepy打瞌睡330. snow (n.)雪(v.)降雪，使变白---snowy (a.)下雪的331. sorrow (n.) 悲痛，悲伤---sorrowful (a.) 悲伤的332. south (n.)南方---southern (adj.)南方的---southeast 东南；东南的---southwest西南；西南的333. speak（---spoke, sp oken）（v.）说话；演讲---speaker (n.)演讲者；扬声器---speech (n.)演讲make a speech发表演说334. starve (v) 饿死；使挨饿---starvation (n.)饥饿；饿死335. strong (a.)强壮的;坚固的；--- strength (n.) 力气;力量---strengthen (v.)加强;增强336. succeed (v.)成功；继承---success (n.)成功---successful (a.)成功的---successfully(ad.)succeed in doing sth.成功地做成某事a great success圆满成功Wish you success 祝您成功！337. sudden (n)突然发生的事(a.)突然的；意外的---suddenly (ad.) all of a sudden突然地338. suggest (v.)建议；暗示---suggestion (n.) suggested answer参考答案339. suffer(v.)遭受；经历--- suffering (n.)受难；苦楚suffer from遭受；患…病；受…之苦340. summary (n.)概要；总结---summarize (v.) 341. survive (v.)生存---survival (n.)幸存；---surviv幸存者342. surround (v.)围绕，包围；---surrounding (a.)周围的---343. taste (v.) 品尝，尝起来--- tasty (a.)可口的= de licious344. tear (n.)眼泪tearful (a.)含泪的; 令人伤心地in tears 眼泪汪汪345. teach v. (taught; taught)。