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广州牛津版9年级英语下unit3单词语法讲解.doc

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Unit3 讲课内容:1、重点词(aid、replace、plain、reform、approach、decrease、status、matching) 2、重点短语、句型、句子讲解(bring along / ) 3、语法:时态 一、重点词: aid(比help正式) 教材P34.1.3 1) vt. 帮助;资助;救助;促进aid sb. in /with… 在……方面帮助某人 e.g. He aided me in the work. / I aided the poor girl with money. ②aid sb. to do…帮助某人做…… I aided her to continue her study. 2) n.【C.】 帮助,外援,辅助设备 2、replace 教材P34.4.3 n. replacement更换;替代品 adj. Replaceable可替换的,可代替的 vt.替换;代替;把……放回原位;(用……)替换John will replace him as manager. 代替 replace the phone 挂电话,把电话放回原处 常用句型: ①Replace sb. /sth, (with / by sb. / sth. ) 取代某人/某事/(用/以某人/某事) e.g. It’s not a good idea to miss meals and replace them with snacks.不吃正餐,改吃点心,这不是什么好主意。 e.g. replace a corner by a plane0. 截去角十成平角 3、plain 教材P34.5.5 1)adj.清楚的,明显的;坦诚的,直接的;朴素简约的,素色的,无花纹的;平庸的,平凡的 2)n.平原 常用句型: ①the plain facts is that-clause 事实很明显…… e.g. The plain fact is that nobody really knows. 事实很明显,没有人真正了解。 ②Plain speaking 说话直率的 e.g. A man with a reputation for for plain speaking. 一个说话直率出了名的人 ③(as) plain as the nose on your face / (as) plain as day 一目了然;一清二楚;显而易见 4、reform 教材P36.3.3 V. n. 改革,改良,改进;改造(行为),(使)改正,(使)悔改 adj. reformed ① e.g. The law need to be reformed. 法律需要进行改革。 e.g. He has promised to reform. 他许诺要改过自新。 ② a reformed character / alcoholic 改过自新的人 / 酒鬼 5、approach 教材P36.1.6 ①vt. vi.接近,走近,靠近e.g. He didnt approach the front door at once ②n.方法;途径;接近n approach to ……的一种途径,……一种方法 e.g. The school has decided to adopt a different approach to discipline. 学校决定采取另一种方式解决纪律问题。 decrease 教材P36.2.3 1)vi.vt.(使)减少,减小 ①decrease by...... 减少......(by后接减少的量) e.g. The number of students has decreased by 500. 学生人数减少了500名。 2)n.【C】减少,减小;减少量 decrease in / of sth. ......减少了,降低了。 e.g. a decrease in the number of young people out of work.失业人数下降了 e.g. a decrease of 40 per cent. 降低了40% ②on
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