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人教新课标:选修8Unit2 课堂辅导

[02-15 16:59:22]   来源:http://www.kgf8.com  高二英语知识讲解   阅读:8948

概要: 人教课标高二第8册 Unit2Cloning 课堂辅导 Grammar 1. This happens in plants when gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and grown in a laboratory. 当园艺师从生长着的植物上剪下枝条来培植新植物时,当你从植物上取下一小部分放在实验室里生长时,就会产生这种现象。(P.11) 「考点」 “when gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and grown in a laboratory.”是两个时间状语从句。when引导的时间状语从句中从句的动作可以与主句的动作同时发生,也可以先于主句的动作。 「考例」 Don&

人教新课标:选修8Unit2 课堂辅导,标签:高二英语知识讲解大全,高二学习方法,http://www.kgf8.com

    人教课标高二第8册 Unit2Cloning 课堂辅导

    Grammar 1. This happens in plants when gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and grown in a laboratory. 当园艺师从生长着的植物上剪下枝条来培植新植物时,当你从植物上取下一小部分放在实验室里生长时,就会产生这种现象。(P.11)

    「考点」 “when gardeners take cuttings from growing plants to make new ones, and when small parts of a plant are taken and grown in a laboratory.”是两个时间状语从句。when引导的时间状语从句中从句的动作可以与主句的动作同时发生,也可以先于主句的动作。

    「考例」 Don‘t be afraid of asking for help _____ it is needed.                (03,全国)

    A. unless         B. since C. although       D. when「解析」 答案D.题意为:当需要帮助时,不要害怕向人求助。四个选项都是可用于引导状语从句的从属连词,如果只是按照结构形式考虑,是无从下手的,应该从语义来考虑。从语言运用的角度看,此处的具体语境为向对方提出要求;后一句应该表达出“凡有需要时”的意思,选项D为最佳答案。

    2. The fact that she seemed to develop normally was very encouraging. (P.12) 多莉看来是在正常地成长着,这很令人鼓舞。

    「考点」 “that she seemed to develop normally”是同位语从句。

    「归纳」 同位语从句可由when/ where/ how/ why/that/ whether等词引导。同位语从句的先行词多半是idea/ fact/ news/ hope/ belief/ thought/ doubt/ question等。同位语从句一般放在抽象名词之后,用以说明抽象名词的具体内容,有时为了保持句子的平衡,同位语从句还可以放在动词的后面。如:Soon word came that we won. 不久就传来了我们赢了的消息。

    「考例」 A warm thought suddenly came to me _____ I might use the pocket money to buy some flowers for my mother‘s birthday.                                         (06,安徽)

    A. if       B. when        C. that        D. which

「解析」 答案C.题意为:我脑海中突然出现一个温馨的念头,用我的零花钱给妈妈买些鲜花作为她的生日礼物。本题a warm thought 与其同位语从句被 suddenly came to me 隔开,增加了试题难度。

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    3. Then came the disturbing news that Dolly had become seriously ill. 然后传来了多莉病重的坏消息。(P.12)

    「考点」 本句中,副词then放于句首,主语是名词“news”, “that Dolly had become seriously ill”是同位语从句,句子用了倒装语序。

    「考例」 In the dark forests _____, some large enough to hold several English towns. (05,辽宁)

    A. stand many lakes          B. lie many lakes C. many lakes lie            D. many lakes stand

    「解析」 答案B.本题考查词语辨析以及倒装语序。地点状语放在句首时,主句用全部倒装,表示某物存在某处,动词应用lie. 4. It suddenly opened everyone‘s  eyes  to  the possibility of using cloning to cure serious illness, and even producing human beings. 突然每个人都看到了利用克隆技术治愈重病,甚至克隆出人的可能性。(P.12)

    「考点」 本句中of 和后面的动名词结构构成介词短语作定语,修饰前面的名词possibility, 其中using和producing是并列关系。注意介词后出现动名词或动名词的复合结构时,一定要把握好动名词主动与被动形式的变化。

    「考例」 At the beginning of class, the noise of desks _____ could be heard outside the classroom. (07,全国II)

    A. opened and closed B. to be opened and closed C. being opened and closed D. to open and close

    「解析」 答案C.题意为:开始上课时,开关课桌的声音在教室外都能够听到。本题考查动名词的用法。the noise 是句中主语,of后应接动名词复合结构,desks是逻辑主语,因为“课桌”与“开关”之间存在逻辑上的被动关系,故须用动名词的被动形式being opened and closed. 5. Newspapers told stories of evil leaders hoping to clone themselves and religious leaders raised moral questions. 报纸报道了不良领导人希望克隆自己的消息,宗教领袖提出了道德方面的质疑。(P.12)

    「考点」 本句句子结构比较复杂,首先and连接了两个并列分句,前句中hoping to clone themselves 是分词短语作定语,相当于定语从句“who hope to clone themselves”。 注意现在分词作定语,表主动和正在进行的概念。

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