2017高考英语必背单词3500:B

　　1.back adv.回(原处);向后 adj.后面的 n.背后，后部;背

　　back and forth 来回，往返;back to back 背靠背

　　behind one’s back 背后;look back 回顾

　　put back 放回去; turn one’s back on 避开，不理睬

　　2.backward adv. backward and forward 来来回回

　　bend /lean over backward to do 竭尽全力去做…

　　3.baggage n.行李a piece of/an article of baggage

　　4.balance 1) n.① 平衡 keep a balance (between A and B) lose one’s balance

　　disturb the balance of one’s mind

　　② 余额 (常用单数) check your bank balance

　　③ 欠款(常用单数)The balance of 500 yuan must be paid within 90 days.

　　短语be/ hang in the balance 不明朗的，未定的， 悬而未决的

　　catch / throw sb.off balance 使…失去平衡; 使…不知所措 on balance 总的来说

　　2)v.①保持平衡 ~(sth)on sthbalance on one leg

　　He balanced the cup on her knee.

　　②同等重视 balance A with/ and B balance home life with career

　　③比较权衡 balance A against Bbalance the cost against its benefit

　　balanced adj. be on a balanced diet

　　5.ban n.禁令 v.禁止，取缔a ban on smoking 禁烟令

　　place… under ban 对…加以禁止 ban sb.from sth./ doing 禁止某人做

　　6. ◎bar 1) n.条，块a bar of chocolate / soap障碍 Being a woman was a bar to promotion.

　　2) vt.封堵All the doors and windows were barred.

　　阻止 bar sb.from...bar players from drinking

　　7.bargainn.(经讨价还价之后)成交的商品;廉价货

　　Those shoes are a real bargain at such a low price.v.讨价还价bargain with sb about /over sth

　　8.base n.根据地，基地v.以...为基地, 把基地设在

　　1) base sth on/upon sth 以…为基础 His book is based on a true story.

　　2)be based in以...为基地,把基地设在The toy company is based in Guangzhou.

　　basic adj 基本的basic knowledge/skills basically adv.

　　9.basis (复数 bases )

　　1)基础，要素 form the basis of…

　　2) 基准，原则 on a regular /permanent basis 以定期的/永久的方式

　　3) 原因，缘由 on the basis of… Some videos were banned on the basis of violence.

　　10.bath n.洗澡;浴室;澡盆; have/take a bath

　　bathe v.洗澡,游泳 be bathed in …沉浸在,沐浴着(光线) bathroom n.浴室

　　11.bear (bore, born/borne) v.

　　1)承受 (重量) The ice is too thin to bear your weight.

　　2) 负担, 承担 bear the cost/ burden/responsibility

　　3)忍受;容忍 (常用于疑问句、否定句，与can, could 连用)bear to do/doing

　　4) bear…in mind 记住

　　12.beat v (beat ,beaten) 连续有节奏的敲击My heart is beating faster than usual.

　　Waves are beating the shore. 击败: He beat me in the game. ※ beat & hit &strike & knock

　　13.beforeIt will be +段时间+before+ do/does…要过多久才…

　　It was +段时间+before+ did…没过多久就…

　　14.beg 乞求，请求 beg—begged—begged—begging beg sb.to do 请求、乞求某人做某事

　　I beg your pardon.对不起、请原谅(降调) 请再讲一遍(降调)

　　15.begin—began—begun—beginning begin with=start with 以…开始

　　to begin with=to start with (插入语)首先、第一

　　I don’t like living here.To begin with, the room is far too small.

　　16.beginningn.开始，开端 at the beginning of… in the beginning= at first

　　17.behave v. 表现He behaved as if nothing had happened.

　　behave badly/well/like a true gentleman

　　behave oneself 表现得体，有礼貌well / badly behaved children

　　18.behavior n.不可数 good/ bad behavior

　　be on your best behavior 尽量表现得体

　　19.behind drop/ fall behind 落后leave sb./sth.behind 遗落、忘带

　　20.beliefn.(不可数) 1)相信，信心 belief in I admire his belief in what he is doing.

　　2) 看法，信念 (不可数) He acted in the belief that he was doing good.