以 “B” 开头的核心词汇 Bewilder n. 迷惑,弄糊涂 Many tourists were by the city’s complicated traffic system.(98.6.48) A degraded B bewildered C evoked D diverted When the farmers visited the city for the first time ,they were by its complicated system . A evoked B bewildered C diverted D undermined Barren .a. 贫瘠的,不毛的 Many people think of desert as regions ,but numerous species of plants and animals have adapted to life there .(99.6.70) A virgin B barren C void D wretched Within ten years they have turned the hill into green woods .(03.9.49)来源：www.examda.com A vacant B weird C barren D wasteful Blunder n 错误,大错 1. I think I committed a in asking her because she seemed very upset by my question..(99.1.52) A blunder B revenge C reproach D scandal Budget n 预算 The education for the coming year is about $4 billion ,which is much more than what people expected.(97.1.52) A allowance B reservation C budget D finance Breed .v . 培育,养育 It is true that a wild plant into a major food crop such as wheat requires much research time . (98.1.53) A multiplying B breeding C magnifying D generating Brittle a. 易碎的 Steel is not as as cast iron . it does not break easily.(03.9.47) A elastic B brittle C adaptable D flexible Baffle v. 使困惑,难住来源：www.examda.com I was completely by one of the exam questions. A pleased B baffled C bewildered D dizzy One of the examination questions me completely and I couldn’t answer it .(04.1.48) A baffled B mingled C provoked D diverted Budget . 预算 The government has devoted a large slice of national to agriculture than most other countries . A resource B potential C budget D economy The education for the coming year is about $4 billion ,which is much more than what we expected . A allowance B reservation C budget D finance (97.1.52) Bald a. 秃头的 He tried to hide his patch by sweeping his hair over to one side .来源：www.examda.com A barren B bare C bald D bleak Boom n. 增长 The post-World War II baby resulted in a 43 percent increase in the number of teenagers in the 1960s. (04.6.64) A boost B boom C production D prosperity 来源：www.examda.com Breakthrough n 突破 While a full understanding of what causes the disease may be several years away, leading to a successful treatment could come sooner.(02.1.49) A a distinction B a breakthrough C an identification D an interpretation