1、Unit 4 Friends foreverPeriod 6 复习单元词组和句型总结1.be familiar with 对.熟悉2.be familiar to sb.为某人所熟悉3.lose track of 不了解.的情况，不了解.的动态4.Keep track of 与.保持联系；记录例句：He lost track of his good friend after graduation5.deliver sb. a lecture 给.作报告6.thanks to 归功于.，多亏7.in advance 提前8. change significantly 变化显著9.social m
2、edia 社交媒体10.tend to 照顾；11.tend to do sth.倾向于做.12.enable sb.to do sth.使某人有能力做某事13.throw the baby out with the bathwater 不分良莠一起抛弃14.pour in 蜂拥而至15.pour down （雨）倾盆而下16.be anxious about 为.担心/担忧17.with anxiety 忧虑地18.postpone（=put off ） doing sth. 推迟做某事19Make ones fortune 发财20.ought to 应该；应当21.correspind
3、with 与通信联系22.turn up 1)(意外或终于)出现2）调低（音量）23.be ashamed of 对 .难为情24.work out 理解；锻炼；训练；进展顺利；算出；拟出（计划、安排）.25.face to face 面对面26.stay in touch with 和.保持联系27.are up to 从事28.keep in mind 记住29.make friends online 网上交朋友30.make it clear to sb. that 对某人清楚表明31.be set in 以为背景32.on earth 地球上33.figure out 计算出；理解34
4、.hear from sb.收到某人来信35.strike the match 划火柴36.a plain clothes 便服37.step out of 迈步走出38.felt lost 感到茫然39.in my opinion（=in my view ） 我认为40.in the distance 在远处句型：1. (教材p 39 ) As Aristotle said, no one would choose to live without friends ,even if he had all other goods.As sb. said 正如某人所说As 引导的非限制性定语从句，指代整个主句，并作从句的宾语。as 翻译意为：“正如，正像”常用的短语：as everybody can see 正如人人都能看见的那样as is known to all 众所周知as we expected 正如我们预料的那样as is often the case 情况总是如此as is reported 正如报道的那样2(教材p 44).you couldnt have dragged Jimmy out of New York;Couldnt have done 不可能做过表示对过去情况的否定推测注意：must have done 一定做过某事
