1.random a. 随意的

　　词义辨析：random, casual

　　random: 指无明确的方向或目的、方法与系统，暗示没有指挥或控制。

　　casual: 指非正式的，轻松随便的，强调随和性。

　　at random 随便地, 任意地

　　The librarian took a book at random from the shelf.

　　图书管理员从书架上随便拿了一本书。

　　2. reap v. 收获=harvest

　　reap crops 收获农作物

　　He that soweth virtue shall reap fame.

　　播下美德，收获名望。

　　If you plant pride, you will reap destruction.

　　如果你种下骄傲，你就会收获毁灭。

　　3.reassure v. 使放心

　　The police reassured her about the child's safety.

　　警察让她放心，她的孩子很安全。

　　4.reconcile v. 使和解

　　We were finally reconciled when he apologized.

　　他道歉以后我们终于言归于好了。

　　5.rectify v. 纠正

　　Therefore, the most enthusiastic students, we must rectify our love of the value orientation.

　　因此，最有激情的大学生，我们必须端正我们爱的价值取向。

　　6.refrain from v. 抑制You must refrain from smoking in this area.

　　在这个区域，你必须克制自己不抽烟。

　　7. refute v. 驳倒

　　词义辨析：contradict, oppose, refute

　　contradict: 指肯定地否认、反对或反驳某事，坚持相反的意见

　　oppose: 普通的广泛用词。指不作争论或不提出论据而无理由地反对;也指任何温和、有理由的反对或否定

　　refute: 语气较强，强调凭推理或证据驳斥一项主张或言论

　　Historical facts refute such a fallacy.

　　历史事实驳斥了这种谎言。

　　8. remainder n. 剩余的部分

　　He spent the remainder of his life in the country.

　　他在乡村度过余生。

　　9.repel v. 使厌恶;击退;排斥

　　She was repelled by the dirty room.

　　肮脏的房间使她厌恶。

　　The crew repelled the attack.

　　船员击退了进攻。

　　The positive poles of two magnets repel each other.

　　两块磁铁的正极互相排斥。

　　10. reproach v. 责备=blame

　　She reproached her husband for having forgotten their wedding anniversary.

　　她责怪丈夫忘了他们的结婚周年纪念日。

　　11. resemblance n. 相似

　　bear /show a resemblance to 与...相象/相似

　　Your story shows little resemblance to the facts.

　　你说的与事实相去甚远。

　　Twins often show great resemblance.

　　双生子常极相似。

　　12. resent v. 怨恨

　　He resented being called his nickname.

　　他讨厌被人叫他的小名。

　　Would your wife resent my being with you here?

　　你太太会不会气我跟你在这儿?

　　13. retort v. 反驳

　　He retorted that it was my fault as much as his.

　　他反驳说我的错误并不比他的小。

　　14. retrieve v. 取回=get back, bring back

　　I should like to retrieve my umbrella which I left in the car.

　　我想取回我留在车上忘记带走的雨伞。

　　15. reunion n. 团聚=get-together

　　New Year's Day is a day for family reunion.

　　元旦是一个亲属团聚的日子。

　　16. revelation n. 揭示

　　The revelation of his past lead to his resignation.

　　对他过去的揭露导致了他的辞职。

　　17. revive v. 使复苏

　　revive economy 经济复苏

　　All attempts to revive the fishing industry were foredoomed to failure.

　　千方百计振兴渔业注定徒劳无功。

　　18. rigorous a. 严格的

　　The planes have to undergo rigorous safety checks.

　　这些飞机得接受非常严格的安全检查。

　　He makes a rigorous study of the plant in the area.

　　他对该地的植物进行了慎密的研究。

　　19. rip v. 撕裂

　　The poster had been ripped to pieces.

　　那张广告画已被撕得粉碎。

　　20. ritual n. 仪式=ceremony/routine

　　His morning ritual is to make coffee, take a shower and have breakfast.

　　他早晨习惯就是泡咖啡，冲凉和吃早饭。

　　She objects to the ritual of organized religion.

　　她反对规范的宗教仪规。