Period 3 语言知识讲练(Reading) 1．concentrate vi．& vt．集中(注意力、思想等)；聚集；全神贯注 (1)concentrate (sth．) on/upon (doing) sth． 专心(做)某事 concentrate one's mind/attention on 集中注意力于；全力以赴于 (2)concentration n． 专心；专注 concentrated adj． 全力以赴的；集中的；浓缩的 [即学即练]———单句语法填空/完成句子 ①I can't concentrate on/upon my homework with all that noise going on． ②Concentrate (concentrate) on your practice，and you will make greater progress． ③According to the survey，three in ten drivers have experienced an accident for lack of concentration (concentrate) while driving． ④这个男孩发现自己很难集中注意力学习。 The boy found it hard to concentrate his mind/attention on his study． 2．concerned adj．担心的，忧虑的；关注的，关切的 (1)be concerned about/for 对……感到担心 be concerned that．．． 担心…… as far as．．．be concerned 关于；至于；就……而言 (2)concern n． 担心；关心 vt． 使担忧；涉及；关系到 concern oneself about/with sth． 对某事物感兴趣 be concerned with sth． 牵涉到；与某事物有关 (3)concerning prep． 关于；涉及 [即学即练]———单句语法填空/完成句子 ①As far as I'm concerned(concern)，I really disagree with your opinion． ②The boss asked a few questions concerning (concern) the development of his business． ③Concerned(concern) about the student，the teacher gave his mother a call． ④他担心她可能会错过转弯的地方而迷路。 He was concerned that she might miss the turning and get lost． 3．effect n．效果，作用；影响 (1)have an effect/influence on/upon 对……有影响 put/bring．．．into effect 使生效 in effect 事实上；实际上 take effect 生效；奏效 come into effect 开始实施；开始生效 side effect 副作用 (2)effective adj． 有效的；生效的 [即学即练]———单句语法填空/完成句子 ①You should take effective (effect) measures to improve your working conditions． ②The two systems are，in effect，the same． ③They have a more powerful effect on/upon the feeling of a space． ④再没有别的书对我的生活有更大的影响了。 No other book has had a greater effect/influence on/upon my life so far． 4．prove linking v．后来被发现是 vt．证明，证实 It is proved that．．． 据证实…… prove．．．to．．． 向……证明…… prove (oneself)to be．．． 证明(某人自己)是…… prove＋that从句 证明…… [即学即练]———单句语法填空/完成句子 ①It is proved that the new medicine has side effects． ②The book about education of the youth has proved to be (be) very successful． ③He tried his best to prove his theory to his friends． ④然而，这条铁路很快就被证明是一个巨大的成功。 However，the railway quickly proved to be a great success． 5．function vi．起作用，正常工作，运转 n．作用，功能，职能 (1)function as ＝work as＝serve as 担任……；起……作用；用作…… function well 正常起作用 (2)perform a function 发挥功能 [即学即练]———单句语法填空/完成句子 ①The judge said the punishment would function as a warning to others． ②The kitchen is often the busiest room；it's important to function (function) properly． ③Sadly ... ...
