九年级英语第二十一单元

九年级英语第二十一单元,标签：初三下册英语教案,初中英语教案,http://www.67xuexi.com

　　13 . brush 1 ) 刷；擦 ( 动词 ) 2 ) 刷子 ( 名词 )

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　　Brush your teeth every morning .

　　〖 点拨 〗a tooth brush 牙刷 / a clothes brush 衣刷 a writing brush 毛笔
　　
　　14 . simple 简单的；简易的；简朴的

　　The book is written in simple English .

　　The old man lived a simple life .

　　〖 点拨 〗live a simple life 过朴素的生活

　　16 . finger 手指

　　We use our fingers to feel and pick up things .

　　〖 点拨 〗大姆指：thumb , the forefinger 食指 , the middle finger 中指, the ring finger 无名指, the little finger 小指 。

　　单元词组思维运用

　　1 . wear out 穿坏；穿旧；用尽， ( 使 ) 精疲力尽

　　I have worn my shoes out , I must get another pair .

　　We were worn out after climbing the mountain .

　　2 . a pair of 一对；一双；一副

　　My sister gave me a pair of new shoes .

　　He wears a pair of glasses .

　　a pair of socks 一双短袜 / a pair of trousers 一条裤子

　　3 . at the moment 此刻

　　Mrs Green is working in the garden at the moment .

　　4 . just a moment 等一会儿

　　Just a moment , she is coming . 请稍等片刻，她就来。

　　5 . a bit 有点 ( = a little )

　　He was a bit angry .

　　Please wait a bit .
　
　　I\'m not a bit hungry .

　　He knows a bit of English .

　　6 . the last time 上次，最后一次

　　The last time I saw him was last week .
　　
　　When I saw him the last time , he was quite well .

　　7 . never mind 不要紧；没关系

　　—— Let me carry the box for you .
　　
　　—— Never mind , It isn\'t heavy . I can do it myself .
　
　　—— I forgot to bring your book .

　　—— Never mind about that , I\'ll get it back tomorrow .

　　8 . in surprise 惊奇地
　　
　　He looked at me in surprise with his mouth open .

　　说明：to one\'s surprise使某人感到惊奇的是……如：

　　To my surprise , the little girl can carry such a heavy box . 使我惊奇的是，那个小女孩竟能搬动那么重的箱子。

　　9 . much too 实在太；过于

　　You are much too kind to me .

　　辨析：much too 与 too much 不同。too much 是“太多…”的意思，用在不可数

　　名词前面，可作主语，作表语，作宾语。much修饰形容词和副词。如：

　　It\'s much too cold . 天气实在太冷。( much 是程度副词，修饰 too，加强语气 )

　　We\'ve had too much rain lately . 最近我们这里的雨下得太多了。 ( much 是修饰 rain 的形容词，又被 too 修饰 )

　　10 . think about 思考；思虑；回想

　　What are you thinking about ?
　　
　　They are thinking about leaving tomorrow .

　　11 . sell out 售完
　　
　　The old woman has sold out all the eggs .
　　
　　12 . so…that… 如此……以致于……
　　
　　His shoes were so dirty that he must brush them .

　　13 . be busy （in）doing… = be busy with + n . 忙于做某事
　　
　　He was busy (in)getting ready for his journey . = He is busy with the journey .

　　14 . fall over 摔倒
　　
　　It\'s easy for you to fall over when you walk on the ice .
　
　　15 . on and on 继续；不断

　　We walked on and on .

　　The old woman talked on and on .
　　
二、学海导航

【 学法指要 】

　　单元难点疑点思路明晰

　　1 . Can\'t they be mended ? 难道它们 ( 鞋子 ) 不能修吗 ?

　　以否定形式提问的疑问句叫否定疑问句。这种疑问句包括一般疑问句和特殊疑问句的结构。句中的 not 可以和有关的 be、have 以及助动词、情态动词结合，构成 - n\'t 形式放在主语之前。

　　一般否定疑问句往往表示怀疑、惊讶、责备等意义，实质上它具有强烈的“肯定”意味。如上述的例句，问话者的心中是相信它肯定能修。又如：

　　Can\'t you ( really ) ride a bicycle ?

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