1、 Unit 4Words and Expressions1.chief adj.最重要的;最高级别的 n.(公司或机构的)首领;酋长in chief 主要地；尤其chief engineer 总工程师chief editor 总编；主编chief executive officer CEO 首席执行官2.puzzle n.谜,智力游戏,疑问 vt.迷惑,使困惑puzzling adj.令人困惑的；令人为难的令人困惑的；令人为难的puzzled adj.困惑的；令人为难的困惑的；令人为难的 3.join.to.把.和.连接/联结起来join sb.in doing sth 加入某人一起做某事 4
2、.break away(from sb/sth)脱离；背叛；逃脱脱离；背叛；逃脱与与break搭配的常见动词短语：搭配的常见动词短语：breakbreak off 突然停止；中断(谈判)break down 失败；(机器、车辆)坏了 break the ice 打破僵局；打破冷场局面break into 破门而入 break out 突发，爆发 break through 突破，突围break up 打碎，分裂【归纳】【语境应用】完成句子。1)The thieves _ and stole some money.小偷闯入办公室，偷了一些钱。2)Negotiations between the
3、two sides _.双方谈判失败了。broke into the officehave broken down3)Scientists think they are beginning to _ in the fight against cancer.科学家认为他们在对抗癌症的研究中开始有所突破。4)I was still living in London when the war _.战争爆发的时候我还住在伦敦。break throughbroke out5.belong vi.应在（某处）；适应应在（某处）；适应 belong to 属于(不用于进行时态和被动语态)belongings
4、 n.(pl.)财产财产;所有物所有物;财物财物6.as well as:同同（一样也）；和；（一样也）；和；还还 用于连接两个并列成分用于连接两个并列成分【归纳】1)as well as 和一样好,为比较级结构。2)as well as连接两个并列的主语时,谓语动词应当与as well as前面的主语在人称和数上保持一致。7.defencen.防御;保卫【拓展】in defence of 为了保卫defend v.防守；保卫；辩护 defend sb/sth from/against 保卫某人/物免受defensive adj.戒备的；防御性的surround.with 用包围/围绕be s
5、urrounded by/with 被围绕着surrounding adj.周围的周围的surroundings n.环境（复数）环境（复数）8.surroundvt.包围；环绕【语境应用语境应用】用用surround的适当形式填空。的适当形式填空。1)Lucy was sitting on the floor _ by toys.2)We decided to explore the _ countryside.surrounded surrounding9.evidence n.证据证据,根据根据,证明证明 evident adj.明显的明显的,显然的显然的 evidently adv.显
6、然显然,明显地明显地,清楚地清楚地 in evidence 显然显然,显而易见显而易见 It is evident that.=Evidently 很明显很明显.It is evident that sucess lies in hard work.10.location n.地方；地点；位置地方；地点；位置 locate vt.找出找出.的准确位置的准确位置 be located in/at.位于位于././坐落在坐落在.Our new office will _ in the center of the city.(locate)be located11.keep your eyes op
7、en(for):留心；留意留心；留意 =keep an eye out(for)=watch out(for)【拓展】keep up 坚持；维持keep up with 跟上,不落在后面;了解;保 持联系keep off 挡住;(使)避开 keep on 继续(干);坚持(干)keep back 退缩；隐瞒；阻止keep sb.from(doing)sth.阻止某人做某事keep out 把关在外面；阻止；不参加 12.charge vt.充电充电;控告；收费控告；收费 n.费用费用;指控指控;主主管管 【归纳归纳】take charge of 负责管理负责管理/照顾照顾charge sb.w
8、ith sth.指控某人犯指控某人犯罪罪in charge of 负责负责,主管主管charge sb.for(doing)sth.收取某人收取某人(做做)的费用的费用in the charge of 由由负责负责free of chargechargen.v.for free免费免费【语境应用语境应用】完成句子。完成句子。1)They charged me five dollars _ a cup of coffee.2)The project is _(在在掌管之下掌管之下)an experienced engineer.3)The man arrested by the police _
9、(被指控被指控)stealing.forin the charge ofwas charged with13.amount n.金额；数量金额；数量 v.总计，共计；相当于，等于总计，共计；相当于，等于 the amount of.的数量的数量 amount to 共计；共计；等于，相当于共计；共计；等于，相当于 许多，大量：许多，大量：a large amount of +不可数名词不可数名词 large amounts of +不可数名词不可数名词 14.approach vi.靠近靠近 vt.接洽接洽；接近；接近;着手处理着手处理 n.接近接近;方法方法;an approach to(d
10、oing)sth.(做)某事的方法 at the approach of 在快到的时候 approach sb./sth.靠近/接近.sth.be approaching 快到了；正在接近【语境应用】1)The best approach to_(learn)a foreign language is the study of the spoken language.学习外语的最好方法就是口语的学习。学习外语的最好方法就是口语的学习。learning15.generous adj.慷慨的，大方的慷慨的，大方的 generously adv.慷慨大方地慷慨大方地 generosity n.慷慨，大方慷慨，大方be generous to sb.对某人慷慨be generous with sth 在方面很大方 be generous in doing sth.乐于做某事 16.eager adj.热切的，盼望的eagerly adv.热切地，渴望地 be eager for sth.渴望某物be eager to do sth.迫切地做某事；渴望做某事Thank you!
