高考英语（人教版）要点梳理重点突破：选修8Unit2　Cloning .doc

选修8　Unit 2　Cloning要 点 梳 理 高效梳理·知识备考●重点单词1．differ vi.不同；相异→different adj.不同的→difference n．不同，差异2．twin n．双胞胎之一；孪生儿之一 adj.成对的；成双的3．straightforward adj.简单的；直接的；坦率的4．undertake vt.着手；从事；承担→undertook(过去式)→undertaken(过去分词) 5．breakthrough n．突破6．cast vt.扔；投；掷→cast/cast(过去式/过去分词)7．object vi.反对；不赞成→objection n．不赞成；反对；异议→objective adj.真实的；客观的；无偏见的8．obtain vt.获得；赢得9．attain vt.获得；达到(水平、年龄、状况等)10．forbid vt.禁止；不准→forbade(过去式)→forbidden (过去分词)11．accumulate vt.积累；聚积12．owe vt.欠(账、钱、人情等)；归功于……13．retire vi.退休；离开→retirement n．退休14．bother vt.打扰 vi.操心 n．烦扰15．strike vi. & vt.打；撞击；罢工→struck/struck (过去式/过去分词)16．vain adj.虚荣的；自负的；徒劳的17．resist vt.抵抗；对抗→resistance n．抵抗；对抗→resistant adj.18．drawback n．缺点；不利条件19．feather n. 羽毛20．adore vt.崇拜；爱慕；喜爱●重点短语1．pay off　　　　　　　　得到好结果；取得成功；偿清2．cast down 沮丧；不愉快3．object to 反对4．in favour of 赞成；支持5．owe...to... 把……归功于……6．(be)bound to(to)．.. 一定或注定(做)……7．strike...into one’s heart 使……刻骨铭心8．from time to time 不时；偶尔9．bring back to life 使复生；使复活10．in vain 白费力气；枉费心机11．in good/poor condition 状况很好/坏；情况很好/坏12．have a great impact on 对……有很大影响●重点句型1．Then came the disturbing news that Dolly had become seriously ill.之后传来了多莉得了重病的令人烦恼的消息。

2．Altogether Dolly lived six and a half years, half the length of the life of the original sheep.多莉总共存活了6年半，是被克隆羊的寿命长度的一半3．Did she die young because she was a clone? 因为她是克隆的，所以才早逝了吗？4．Besides that, there is also a fierce dabate over the question whether human cloning experiments should be allowed. 除此之外，克隆人的实验是否被允许进行的问题引起了激烈的争论●高考范文你很荣幸地成为2008北京奥运会的一名志愿者，负责编写奥运比赛项目的英语介绍写作内容：请根据以下中文提纲，编写射击项目的英语介绍：背景：射击最初只是生存工具，19世纪末才发展成为一项体育运动1896：第一次成为奥运项目1904：中断1928：中断1932：重回奥运会1968：第一次允许妇女参加奥运射击比赛现状：稳步发展，1896奥运会只有三项射击项目，现今有17项。

写作要求：只能使用5个句子表达全部内容评分标准：句子结构准确，信息内容完整，篇章结构连贯[范文1] Shooting, originated as a means of survival, developed into a sport only in the late 19th century. The sport first appeared in 1896, but none were contested during the 1904 and 1928 Games. The sport returned to the Olympics in 1932. Women were first allowed to compete in the Olympic shooting in 1968. The sport has grown steadily from just three shooting events at the 1896 Olympic Games to 17 today.[范文2] It was not until the end of 19th century that shooting, originated as a means of survival, earned its status as a sport. Shooting became an Olympic event officially in 1896. Yet, twice in history (1904,1928) shooting was suspended at the Olympics. It returned to the Games in 1932, and women were first allowed to participate in the competition in 1968. The sport has been growing steadily from 1896‘s three events to today’s seventeen.考 点 探 究 互动探究·能力备考Ⅰ.词汇短语过关1．differ vi. 不同；相异different adj. 不同的；有区别的；相异的difference n. 不同；不同之处differ from... 不同于……differ in... 在……方面不同differ with/from sb. on/about sth.与某人关于……意见不同be different from 与……不同make a/some/no difference to sb./sth.对某人/某物有/有些/没有影响或作用difference between A and BA和B之间的差别[即学即练1](1)Men are all alike in their promises. It is only in their deeds that they ______.人在许诺时都一样，不同之处在于他们的行动。

2)I have to ____________ you ______ that.在那一点上我不能同意你的看法3)The rain didn‘t _______________________ the game.这场雨对比赛没有多大影响differdiffer withonmake much difference to2．undertake vt. 着手，从事，承担；承诺，答应undertaking n. 任务，事业；承诺，答应undertake a task/project 承担一个任务/项目undertake to do sth. 答应做某事undertake for sth. 为……负责 [即学即练2](1)The company has announced that it will _____________ a full investigation ______ the accident.公司已宣布将对这次事故进行全面调查2)He __________________ the job by Friday.他答应星期五之前完成这项工作3)I’ll __________________ your security. 我将保证你的安全。

undertakeintoundertook to finishundertake for3．cast vt.&vi. (cast, cast) 投掷；投射；抛cast aside 抛弃，消除，废除cast away 抛弃，丢掉，使(船)漂流，(船)失事cast behind 疏远；把……抛在脑后cast down 使沮丧/不愉快cast off 丢弃cast one‘s eyes over 审视cast one’s mind back to sth. 回顾，回想cast light on/upon＝throw light upon 弄清楚[即学即练3](1)Don‘t be so ____________. Just keep up your spirits.不要这么沮丧，打起精神来！(2)As soon as they reached the fishing area, the fishermen ______ their nets ______ the sea.渔民们一到捕鱼区就把渔网撒进了大海cast downcastinto(3)As soon as he became rich he ____________ all his old friends who gave him some help.他一富起来就抛弃了所有曾经给过他帮助的老朋友。

cast aside4．object vi. 反对，不赞成　n. 实物；目的；对象objection n. 反对；厌恶object to sb./sth. 反对，不赞成某人/某事object to doing sth. 反对做某事object to sb. doing sth. 反对某人做某事raise an objection to (doing) sth. 对……提出异议have/make an objection to (doing) sth. 对……表示反对[即学即练4](1)I ____________ the proposal. 我反对这个提议2)We _______________________ like this.我们抗议这种待遇3)I feel ________________________ getting up early.我极不愿意早起object toobject to being treateda strong objection。