《DNA-The Story of You》Look into Science! PPT课件下载
第一部分内容：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，第二部分内容：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. 蓝图
repeat v. 重复
general adj. 一般的；普遍的
complex adj.复杂的
twin n. 双胞胎
identify v. 鉴别；确认
grandson n. (外)孙
granddaughter n. (外)孙女
DNA 脱氧核糖核酸
instruction n. 说明
pattern n. 模式
related adj. 有关的
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DNA-The Story of YouPPT，第三部分内容：Language notes
1. Except for identical twins, each living thing has its own unique DAN. 除了每个双胞胎之外，每个生物都有他唯一的DNA。
1)except for除……以外，只是，排除的不是同类，表示对主要部分的肯定和对局部的否定。
Your article is quite good except for several spelling mistakes. 你的文章很好，只是有几处拼写错误。
except， besides， but 和except for 的区别
except “除……之外”，排除后面的人或物，而且排除的内容和主语往往是同一类。如：We went to see our teacher yesterday except Li Ming. 昨天除了李明以外我们都去看我们的老师了（李明没去）。
besides “除……之外，还有”，包括该词后面的人或物。如：We all went to see a film besides Li Ming. 除李明以外我们也都去看电影了（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.铅笔盒里除了一支钢笔之外什么也没有。
except for “除……之外”,后面排除的部分和主语不是同一类人或物.如 :The movie was good except for the ending.这部电影除了结局之外都很好。
2. From your DNA, scientists can identify not only you but also people related to you. 在你的DNA中，科学家们不但能鉴别你，而且也能鉴别和你有关系的人。
1) not only …but also…不但……而且……，连接两个相同的成分，也可连接两个分句。连接两个并列主语时，谓语动词和临近主语保持一致；连列两个并列分句时，not only置于句首，通常用倒装结构，也就是说，把not only引导的分句中的助动词或be提到主语前面。
He likes not only English but also math.
他不仅喜欢英语，而且喜欢数学。
Not only you but also I am a teacher. 不仅你而且我也是一名老师。
Not only does he work hard, but also he is very clever.
他不仅工作认真，而且很聪明。
2)relate to涉及，有关
The story related to the Second World War.
故事讲的是第二次世界大战的事情。
I have a book relating to the Autumn Harvest Uprising. 我有一本关于秋收起义的书。
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DNA-The Story of YouPPT，第四部分内容：Practice
I. 根据句意及所给汉语提示写出单词。
1. She_________(认出) that the man was her uncle.
2. The engineer drew a________(蓝图) to build the road.
3. The two boys are________(双胞胎). They look the same.
4. Read the ___________ (说明) first before you use the machine.
5. Please _______ (复述) the words after the tape.
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