2021届高考英语3500词天天练（四）

2021届高考英语3500词天天练（四） 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