1、B2 Unit1 Language points(一)1. preserve vt.保存；保护；维持 n.C 保护区 preservation n.U保存, 保护 preserve.from/against protect.from/againstkeep.free of/frompreserve sth for.为.而保存某事物保护.免受.应用融会Our teachers are determined to preserve us students_being hurt.We have taken effective measures _(preserve)our natural resou
2、rces.2. promote vt.促进; 提升; 推销; 晋级; 推广; 提拔(1)be promoted to被提升为(2)promotion n. 提升; 提拔; 晋级Eg. He_manager because of his good performance in the process of _their new books.由于在推销他们的新书过程中的良好表现，他被提升为经理。写出下列句中promote的含义They launched a campaign !to promote awareness of environmental protection._The band ha
3、s gone on tour to promote their new album._The area is being promoted as a tourist destination._They were promoted to the First Division last season._3.take part in参与(某事);参加(某活动)take an active part in积极参加take part参加(不及物动词短语)易混辨析take part in, join, join in, attendtake part in指参加群众性活动、会议并在其中起积极作用join指
4、加入党派、社会团体、军队等并成为其中一员join in指参与某项活动，口语中常与take part in通用应用融会During the Spring Festival in 2020，he _ the fight against COVID 19 outbreak.2020年春节期间，他积极参加了抗击新冠肺炎疫情暴发的战斗。It is five years since he_ the army.Will you _the English evening party with us?4.balance n. 平衡；均匀；天平 vt.使平衡keep/lose ones balance 保持/失去
5、平衡keep a balance between A and B 保持A与B之间的平衡balance A against/with/and B 权衡A与B应用融会You should_the advantages_the disadvantages before you give up your present job.To keep fit, first of all, youd better_.为了保持健康，首先，你最好保持平衡的膳食。5.lead to 导致；造成（后果）lead sb. to do sth 使/导致某人做某事lead sb. in doing sth. 带领某人做某事l
6、ead/live a.life 过.样的生活lead the way 引领；带路lead sb. to/into 带领某人去/进入 表示“导致”常用表达还有cause, result in, contribute to, bring about等。必背句子As is known to us all, success lies in hard work while laziness leads to failure.众所周知，成功源于勤奋，而懒惰导致失败。语境串记He_, and_a village of Tibet. There we found the local people_.他带路，把
7、我们领到了西藏的一个小村庄。在那里，我们发现当地人过着幸福的生活。6.likely adj.可能的 adv.可能地易混辨析possiblelikelyprobablepossible可能性最小，不能人做主语It is possible (for sb.)to do sth.It is possible that. likely主语可以是人和物It is likely that . 有可能.sb./sth. is likely to do sth.某人/某物有可能做某事.be likely to do sth.很可能做某事./有希望做某事.probable可能性最大，不能人做主语Its prob
8、able that. 有可能.Its probable for sb.to do sth.这一结构是错误的Its nearly nine oclock and the teacher is likely (walk) into the classroom at any moment.(语法填空)Its_ for me to change jobs,but I am not sure.选词填空(possible,likely,probable)7.turn to 向.求助;致力于;翻到(书的某页);查阅;转向;从事于turn down 关小;调低;拒绝 turn in 上交 turn on 打开
9、(水、煤气、电灯等) turn off 关上(水、煤气、电灯等) turn out 结果是;证明是;生产出 turn up 开大;出现 Please turn_the police for help when you are in trouble. He said he was a doctor, but later he_to be a cheater.翻译：当你学习语言有困难时你可能需要尝试向他人求助。 8. limit n.限度;限制;界限 vt.限制;限定; limitation n.限度;限制;界限limited adj. 有限的;不多的 limitless adj.无限制的;无界限
10、的be limited to sth. 受限制于. limit . to . 把.限定在.的范围内 The speed of cars and trucks (limit) to 30 kilometers per hour in large cities in China.We must make good use of our (limit) time and money.9.prevent vt. 阻止；妨碍prevent .from(doing). 阻止;制止 stop .from(doing). 制止. keep . from(doing). 阻止. protect . from/a
11、gainst(doing)保护.免受.伤害 短语 prevent/stop/protect.from.中的from可省略,keep .from.中的 from 不能No one can_being carried out.谁也不能阻止这项计划的实施。（补全句子）向老师求助可能使我免受无限烦恼。(用本节课所学内容翻译句子） 10. contribution n.捐款;贡献;捐赠 contribute vt.& vi. 捐献;捐助;贡献 make a contribution/contributions to (doing) sth. 对.做出贡献contribute to 有助于;促使;导致 c
12、ontribute . to . 向.捐献/捐赠. Everyone is willing to contribute food and clothes the homeless people.Participating in the contest will be a golden chance for me to show my dancing skills and make some (contribute) to the class.翻译：当你有困难时向他人求助有助于解决问题。 11.donate vt.(尤指向慈善机构)捐赠;赠送;献(血) donation n.C捐赠物 U捐赠;赠
13、送 donate . to. 向.捐赠.make a donation to . 捐赠. Luckily, many people and organizations donate a lot of money help these homeless people.Keys to Book 2 Language points (1)1. from/against to preserve 2. was promoted to; promoting 提升推销推广晋级3.took an active part in joined take part in/join in4.balance; against/with/and keep a balanced diet5. led the way; led us to;led/lived a happy life6.to walk to; Its likely 7. 向.求助； 翻到；从事于；转向；查阅 to turned out 8. limited；to; limited; limitless 9. prevent/stop/ keep this plan (from)10. to contributions 11. to 8
