词汇精讲：

　　lag： v/n.走得慢，落后

　　After I get over jet-lag， I'll call you. 我倒过时差后给你打电话。

　　He's lagging behind a bit， and I think we'd better wait for him to catch us up.

　　他有点落后了，我想我们更好等他赶上来吧。

　　There is often a lag between becoming affected by this illness and its first signs.

　　受这种疾病的感染和出现更初症状之间经常会间隔一段时间。

　　His actions lagged behind his thinking. 在他的思想和行动之间存在很大差异。

　　overcome： v. 战胜，克服

　　Support from his family and his own survivor instincts have helped him overcome obstacles.

　　家人的支持和求生的本能帮助他克服了障碍

　　The learner of a second language has many obstacles to overcome.

　　学第二语言的人有许多障碍要克服。

　　First of all， we should overcome ourselves in order to overcome difficulties.

　　要战胜困难，首先要战胜自己。

　　feasible： a. 可行的，可能的

　　Your plan sounds quite feasible. 你的计划听起来是可行的。

　　Now that we have the extra resources， the scheme seems feasible.

　　既然我们有了额外的财力，这一方案就可行了。

　　The plan seems to be feasible. 这个计划似乎是可行的。

　　assumption： n. 假定，设想，承担，采取

　　派生词：assume v. 假定，设想

　　His assumption proved to be wrong. 他的设想被证明是错的。

　　You will assume your new duties tomorrow. 你们明天开始执行新任务。

　　promote： vt. 促进，发扬，提升

　　派生词：promotion n. 促进，发扬

　　He certainly ought to be promoted. 他的确应该被提升。

　　The company is promoting their new sort of soap on television.

　　公司正在电视上为这种新香皂促销。

　　We should promote the mutual understanding between the two countries.

　　我们要增进两国之间的相互了解。

　　词组：

　　1 effect on： 对… 的作用，影响

　　It had an almost immediate effect on his thinking. 这事几乎立刻对他的想法有了影响。

　　Violent TV programs have a bad effect on children. 暴力电视节目对孩子有不好的影响。

　　相似词组： influence on： 对…有影响。

　　to blame on： 把…… 归咎于

　　He blamed his failure on his teacher. 他把他的失败怪在老师的头上。

　　They blamed the failure of the action on George.

　　他们把此次行动失败归咎于乔治。

　　相关词语： to blame … for

　　The accountant was blamed for his error. 这个会计由于出错而受到谴责。

　　to advantage： 有利地，有效地

　　More practice will be to your advantage. 多练习对你有利。

　　It is to your advantage to invest wisely. 明智地投资对你很有利。

　　The model is seeking a chance to display herself to advantage.

　　那位模特正在寻找一个机会来有利地显示自己。