《DNA-The Story of You》Look into Science! PPT課件下載
第一部分內(nèi)容：Warming up
Do you and the students near you look the same? What is the same?
Are there any differences between you and your friends?
Zhang Liangying looks like her mother.
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DNA-The Story of YouPPT，第二部分內(nèi)容：Discussion
Do you look like your father or mother? Do you know why?
Do you know DNA?
Are your fingerprints the same as your mother's?
New words
blueprint n. 藍(lán)圖
repeat v. 重復(fù)
general adj. 一般的；普遍的
complex adj.復(fù)雜的
twin n. 雙胞胎
identify v. 鑒別；確認(rèn)
grandson n. (外)孫
granddaughter n. (外)孫女
DNA 脫氧核糖核酸
instruction n. 說(shuō)明
pattern n. 模式
related adj. 有關(guān)的
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DNA-The Story of YouPPT，第三部分內(nèi)容：Language notes
1. Except for identical twins, each living thing has its own unique DAN. 除了每個(gè)雙胞胎之外，每個(gè)生物都有他唯一的DNA。
1)except for除……以外，只是，排除的不是同類，表示對(duì)主要部分的肯定和對(duì)局部的否定。
Your article is quite good except for several spelling mistakes. 你的文章很好，只是有幾處拼寫錯(cuò)誤。
except， besides， but 和except for 的區(qū)別
except “除……之外”，排除后面的人或物，而且排除的內(nèi)容和主語(yǔ)往往是同一類。如：We went to see our teacher yesterday except Li Ming. 昨天除了李明以外我們都去看我們的老師了（李明沒(méi)去）。
besides “除……之外，還有”，包括該詞后面的人或物。如：We all went to see a film besides Li Ming. 除李明以外我們也都去看電影了（李明去了）。
but““除……之外”,一般用于否定句中，表示”只有……“，如：There is nothing but a pen in the pencil case.鉛筆盒里除了一支鋼筆之外什么也沒(méi)有。
except for “除……之外”,后面排除的部分和主語(yǔ)不是同一類人或物.如 :The movie was good except for the ending.這部電影除了結(jié)局之外都很好。
2. From your DNA, scientists can identify not only you but also people related to you. 在你的DNA中，科學(xué)家們不但能鑒別你，而且也能鑒別和你有關(guān)系的人。
1) not only …but also…不但……而且……，連接兩個(gè)相同的成分，也可連接兩個(gè)分句。連接兩個(gè)并列主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞和臨近主語(yǔ)保持一致；連列兩個(gè)并列分句時(shí)，not only置于句首，通常用倒裝結(jié)構(gòu)，也就是說(shuō)，把not only引導(dǎo)的分句中的助動(dòng)詞或be提到主語(yǔ)前面。
He likes not only English but also math.
他不僅喜歡英語(yǔ)，而且喜歡數(shù)學(xué)。
Not only you but also I am a teacher. 不僅你而且我也是一名老師。
Not only does he work hard, but also he is very clever.
他不僅工作認(rèn)真，而且很聰明。
2)relate to涉及，有關(guān)
The story related to the Second World War.
故事講的是第二次世界大戰(zhàn)的事情。
I have a book relating to the Autumn Harvest Uprising. 我有一本關(guān)于秋收起義的書(shū)。
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DNA-The Story of YouPPT，第四部分內(nèi)容：Practice
I. 根據(jù)句意及所給漢語(yǔ)提示寫出單詞。
1. She_________(認(rèn)出) that the man was her uncle.
2. The engineer drew a________(藍(lán)圖) to build the road.
3. The two boys are________(雙胞胎). They look the same.
4. Read the ___________ (說(shuō)明) first before you use the machine.
5. Please _______ (復(fù)述) the words after the tape.
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