2012届高考英语一轮复习 Unit 20 New Frontiers讲练精品学案 北师大版选修7VIP专享

Module 7Unit 20 New Frontiers1. assist vt.帮助，协助 精讲拓展 assist sb. with sth.帮助某人做某事 assist sb. in doing sth.帮助某人做某事 assist sb. to do sth.帮助某人做某事词语辨析help/assist/aid(1)动词 help 和 assist 的含义往往相同，但 assist 较正式，而且总是暗示被帮助者自己也在做一部分工作，若某人处于困境，你帮助他用 help，而不说 assist。如：They helped the drowning man.他们救了那个溺水的人。(2)aid 系正式用语，与 help 相似，但不经常使用。(3)在 help，assist 后面可以接动词不定式，aid 则不能这样使用。He helped me (to) pass my exam.他帮助我通过了考试。典型例句A man is assisting police(with their inquiries)．一名男子协助警方调查。[朗文当代]Unless we receive more financial assistance from the government，the hospital will have to close.如果我们得不到政府财政上更多的援助，这家医院就得停办。[朗文当代]Our friends assisted us in fixing the car.我们的朋友帮我们修车。[美国传统]即学即用完成句子①Don’t be nervous.The police________ ________you in finding her address.不要紧张，警察会帮你找出她的地址。②Li Hua________ ________ ________ me ________ my English.李华一直帮助我学习英语。答案：① will assist ② has been assisting；with2．worn adj.用旧的，用坏的；疲惫的 精讲拓展 a pair of worn blue jeans 一条磨破了的蓝色牛仔裤 look worn and sad 显得疲惫忧伤 wornout (＝extremely tired；exhausted)疲惫不堪的 wear glasses 戴眼镜 wear one’s hair long/short 留长发/短发 wear puzzled expressions 面带疑惑的表情 wear well(主动形式表示被动意义)耐用，耐穿，耐磨典型例句We were wornout from the long trip.用心 爱心 专心1长途旅行之后我们精疲力竭。[美国传统]She usually wears her hair up.她通常都把头发梳得高高的。[朗文当代]He wore dark glasses to protect his eyes from the strong sunlight.他戴墨镜以防强烈的阳光刺伤眼睛。[朗文当代]词语辨析wear out/be worn out(1)wear out 穿破，用坏；结构为 wear out＋n./wear＋pron.＋outHe wore out two pairs of sho...