quiz
quiz/kwiz/ I.n.［c］小型考试；测验；答问比赛：a drop quiz突击测验；quiz program答问比赛节目‖II.vt.(quizzed, quizzing)盘问：He quizzed me about where I’d been last night.他盘问我昨···
quota
quota/ˈkwəutə/n.［c］定额；分配额；限额：output quota产品定额；hiring quotas雇员分配额；overfulfil the quota超额完成；the quota system定额分配制［考句］Any salesperson who sells···
quotation
quotation/kwəuˈteiʃən/n.［c］1.引文，引语：quotations from Shakespeare引用莎士比亚作品中的文句；quotation marks引号2.报价：a quotation of prices报价单；a quotation for building···
quote
quote/kwəut/vt.1.引用，援引：quote an author引某作家的话；a passage quoted from the editorial引自社论的一段文章2.报价：This is the best price I can quote you.这是我能向你提出的最好···
rabbit
rabbit/ˈræbit/n.［c］兔子hunt rabbits猎兔；run like a rabbit一溜烟地跑掉；breed like rabbits像兔子一样多生孩子(蔑)；dead rabbit没价值的东西
race
raceI /reis/ I.n.［c］(速度上的)竞赛，赛跑：a relay race接力赛；a 1500-meter race 1500米赛跑‖II.vi.&vt.(使)赛跑；(使)全速前进：Ships raced along the rivers.船在河上疾速行驶。I···
racecourse
racecourse/ˈreisˌkɔ:s/n. [c]赛马场，赛马赛跑跑道：a steward at a racecourse赛马场的管事This is a very wide racecourse.这是一条非常宽的跑道。
racial/racism/racialism
racial/ˈreiʃəl/adj.人种的，种族的：racial dislikes(prejudice)种族（偏见）；racial characteristics种族特征；racial conflict种族冲突racism/racialism/ˈreisizm,ˈreiʃəlizəm/n.种···
rack
rack/ræk/ I.n.［c］搁架，挂架：a tool rack工具架；a clothes rack衣架；a plate-rack餐具架‖II.vt.使痛苦，折磨：a racking headache折磨人的头痛；be racked with pain(a cough )苦痛不堪···
