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《DNA-The Story of You》Look into Science! PPT教学课件第一部分内容:课前自主预习单词闯关1. 一般的;普遍的________→(adv.)________2.重复;复述;背诵________3.孙子;外孙________4.孙女;外孙女____________5.blueprint ________6.instruction ________→(v.)________7. twin ___________________8.pattern_____________9.identify _____________10.related _____________11. complex ________短语互译1. 一般而言;通常________________2.除……之外________________3.不仅……而且……________________4. 数以百万计的________________5. 例如________________6.be related to________________7. in the future ________________8.the same…as________________句型在线1.一般而言,蓝图就是展示如何将许多不同的部分组建成一栋房子的图纸。________ ________, a blueprint is a drawing________________ ________ ________ put a house together with many different parts.2.对大自然来说,改变生物的DNA以使它们适应它们生存的世界要花费数百万年的时间。It takes millions of years for nature to change the DNA inliving things to make them fit the world ________ ________ ________.3.所有的这些事情在你出生之前就被你的DNA强烈地影响着!All these things________ ________ ________ by your DNA before you are born!4.除了一些双胞胎之外,每一个生物都有自己独特的DNA。________ ________ some twins, every living thing has its own unique DNA.5.从你的DNA中,科学家们不仅能够鉴别你,而且能鉴别与你相关的人。From your DNA, scientists can identify not only you, but alsopeople ________ ________ ________ ________ ________.课文初探根据课文内容,判断正(T)误(F)。(  )1. DNA is the blueprint of life.(  )2. Building a house is more complex than building a living thing.(  )3. Scientists can change our DNA now.(  )4. Your hair and your fingers have different DNA.(  )5. From your DNA, scientists can identify people who are related to you.... ... ...DNA-The Story of YouPPT,第二部分内容:课堂互动探究词汇点睛1 general adj. 一般的;普遍的[观察] In general, a blueprint is a drawing that shows how to put a house together with many different parts.一般而言,蓝图就是展示如何将许多不同的部分组建成一栋房子的图纸。There is a general interest in sports.对于运动,(人们)有普遍的兴趣。[探究] general用作________词,指普遍存在于大多数人或事物中,有“较少例外的”含义。常用短语是in general,意为“_____________”。2 repeat v. 重复;复述;背诵[观察] You have your own unique DNA, but it repeats patterns from your parents' DNA.你有你自己独特的DNA,但是它重复了你父母DNA的模式。The teacher asked him to repeat what she had said.老师要求他重复她所讲的话。[探究] repeat可作及物动词,也可作不及物动词。repeat意为“重复;重说;重做”时, 其后不能再跟 again。repeat sth.=say/do sth. ________。句型透视1 It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.对大自然来说,改变生物的DNA以使它们适应它们生存的世界要花费数百万年的时间。[探究] (1)句中“they live in”为定语从句,前面省略了关系词that或which。(2)millions of 意为“________________”。[拓展] (1)关系代词在定语从句中作主语时,一般不能省略;只有做宾语或表语时才可省略。Is there anything (that) you wanted here?这儿有你想要的东西吗?China is not the country (that) it was.中国已不是过去的中国了。(2)hundred, thousand, million, billion表示具体数字时,用单数;表示概数时,后面要加­s, 并且与of连用。2 Except for some twins, every living thing has its own uniqueDNA. 除了一些双胞胎之外,每一个生物都有自己独特的DNA。Everyone except Li Ming passed the English exam.除了李明之外,大家都通过了这次英语考试。He is a good man except for his hot temper.他是个好人,只是脾气暴躁而已。We've been to the Great Wall besides Li Lei.除了李雷之外,我们也都去过长城。There is nothing but a bed in the room.房间里除了一张床什么也没有。... ... ...关键词:冀教版九年级上册英语PPT课件免费下载,DNA-The Story of YouPPT下载,Look into Science!PPT下载,.PPT格式; 本作品中主体文字及图片可替换修改,文字修改可直接点击文本框进行编辑,图片更改可选中图片后单击鼠标右键选择更换图片,也可根据自身需求增加和删除作品中的内容,源文件无水印。如认为该内容涉嫌侵权,可通过邮件提出书面通知,我们将及时处理。
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