2017年高考英语全国一卷真题及答案-2017年高考英语常用3500个词汇解析：B

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 sth balance 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 B balance 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. bargain n. (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

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