Unit6 知识点-Lesson 3讲义 2026-2027学年冀教版英语九年级上册

2026-07-19
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摘要:

本讲义为九年级英语上册Unit6 Lesson3内容,核心围绕DNA展开,涵盖定义(生物蓝图)、作用(影响身高、眼睛颜色等)、奇妙事实(独特性、识别亲属等)、未来应用及一般将来时被动语态语法点,知识点从基础概念到实际应用,构建递进式学习支架。 资料特色在于科学主题与语言学习融合,通过词汇短语中英互译、语法例句填空提升语言能力,借助DNA事实分析培养思维品质,综合练习设计针对性强,课中辅助教师高效授课,课后帮助学生自主查漏补缺,巩固知识要点。

内容正文:

九年级英语上册Unit6知识点-Lesson 3讲义 【课文要点】 Part 1: DNA的定义(Definition of DNA) - DNA 是创造人、动物、植物或任何其他生物的蓝图(blueprint)。 - 蓝图是显示如何建造某物的图纸,但人比汽车复杂得多(much more complicated)。 DNA的作用: - 你的身高(how tall)、眼睛颜色(eye colour)、脚的大小(feet size) 在出生前就受到DNA的强烈影响。 Part 2: DNA的奇妙事实(Fantastic Facts about DNA) 1. 独特性(Uniqueness) - 除了某些双胞胎(some twins),每个生物都有自己独特的DNA(unique DNA)。 - 你的DNA有来自父母的重复模式(repeats patterns from your parents)。 2. 识别亲属(Identifying Relatives) - 科学家可以从DNA中识别你,也可以识别你的亲属(relatives): - 父母、祖父母和更远的亲戚 - 他们的DNA与你不会完全一样(wouldn't be quite as similar)。 3. DNA在身体各处的分布(Copies of DNA) - 你的DNA的拷贝(copies) 存在于身体的每个部分(every part)。 - 例如:你的手指和你的头发有相同的DNA(the same DNA)。 4. DNA与健康(DNA and Health) - 一些健康问题(health conditions) 可能是由DNA问题引起的。 - 科学家可以寻找这些问题(look for these problems),有时在你生病之前帮助你(help you)。 - 未来的技术将帮助科学家更好地理解基因如何相互作用(how genes interact with each other),以及如何编辑基因(edited) 来预防遗传疾病(genetic diseases)。 Part 3: DNA的未来(The Future of DNA) - DNA在健康和科技中扮演重要角色(plays an important role)。 - 随着更多发现的产生,它将在未来几年被广泛研究(widely studied)。 Part 4: 语法 – 一般将来时的被动语态(Passive Voice in Simple Future Tense) 结构: will + be + 过去分词(v-ed) 课文例句: - ... they will be edited to prevent genetic diseases. - It will be widely studied and researched in the coming years. 填空练习: A. An exhibition of model planes will be held at the Science Museum next week. B. The new science lab will be built in the coming year. C. More fantastic facts about DNA will be discovered in the near future. D. Future technologies will be used to help scientists better understand DNA. Part 5: 重要词汇与表达 blueprint n. 蓝图 DNA 脱氧核糖核酸 complicated adj. 复杂的 living being 生物 influence v. 影响 unique adj. 独特的 repeat patterns 重复模式 identify v. 识别 relative n. 亲属 distant relatives 远亲 copies n. 拷贝,副本 health conditions 健康问题 genetic diseases 遗传疾病 interact v. 相互作用 edit v. 编辑 diagnose v. 诊断 treat v. 治疗 building blocks 基本组成部分 【高频短语汇总】(中英互译) 1. ____________________ 创造生物 2. ____________________ 复杂得多 3. ____________________ 在出生前 4. ____________________ 独特DNA 5. ____________________ 来自父母的重复模式 6. ____________________ 识别亲属 7. ____________________ 远亲 8. ____________________ 不完全一样 9. ____________________ DNA拷贝 10. ____________________ 相同的DNA 11. ____________________ 健康问题 12. ____________________ 由DNA问题引起 13. ____________________ 寻找问题 14. ____________________ 预防遗传疾病 15. ____________________ 扮演重要角色 16. ____________________ 被广泛研究 17. ____________________ 诊断和治疗疾病 18. ____________________ 基本组成部分 19. ____________________ 相互作用 20. ____________________ 塑造我们是谁 【综合练习】 一、单项选择(共15小题) ( ) 1. A blueprint is a drawing that shows how to ______ something. A. build B. break C. buy D. burn ( ) 2. A person is much more ______ than a car. A. complicated B. simple C. easy D. cheap ( ) 3. The blueprints to create a living being are called ______. A. DNA B. RNA C. protein D. cell ( ) 4. How tall you are is strongly influenced by your DNA ______ you were born. A. before B. after C. when D. while ( ) 5. Except for some twins, each living thing has its own ______ DNA. A. unique B. same C. similar D. common ( ) 6. Your DNA repeats patterns from your ______. A. parents B. friends C. teachers D. classmates ( ) 7. Scientists can identify not only you, but also your ______ from your DNA. A. relatives B. neighbours C. colleagues D. strangers ( ) 8. Your finger has the same DNA as your ______. A. hair B. foot C. eye D. ear ( ) 9. Some health conditions can be caused by problems in your ______. A. DNA B. diet C. exercise D. sleep ( ) 10. Scientists can help you before you become ______. A. sick B. strong C. healthy D. happy ( ) 11. Genes will be edited to prevent genetic ______. A. diseases B. disasters C. discoveries D. decisions ( ) 12. DNA will be widely studied in the ______ years. A. coming B. past C. last D. previous ( ) 13. An exhibition of model planes ______ at the Science Museum next week. A. will be held B. is held C. was held D. has been held ( ) 14. Future technologies ______ to help scientists better understand DNA. A. will be used B. are used C. were used D. have been used ( ) 15. It is interesting to learn about the ______ blocks of life. A. building B. basic C. big D. small 二、根据汉语意思完成句子(每空一词,共20小题) 1. 蓝图是显示如何建造某物的图纸。 A blueprint is a ______ that shows ______ to build something. 2. 人比汽车复杂得多。 A person is much more ______ than a ______. 3. 创造生物的设计图叫做DNA。 The blueprints to ______ a living ______ are called DNA. 4. 你的身高、眼睛颜色和脚的大小在出生前就受到DNA的强烈影响。 How tall you are, what ______ your eyes are, and what size your feet are are all ______ influenced by your DNA. 5. 每个生物都有自己独特的DNA。 Every ______ thing has its own ______ DNA. 6. 你的DNA有来自父母的重复模式。 Your DNA ______ patterns ______ your parents. 7. 科学家可以从DNA中识别你和你的亲属。 Scientists can ______ not only you, but also your ______. 8. 你的手指和你的头发有相同的DNA。 Your ______ has the same DNA as your ______. 9. 一些健康问题可能是由DNA问题引起的。 Some health ______ can be ______ by problems in your DNA. 10. 科学家可以寻找这些问题,并帮助你预防疾病。 Scientists can ______ for these problems and help you ______ you become sick. 11. 未来的技术将帮助科学家更好地理解基因如何相互作用。 Future technologies will help scientists better ______ how genes ______ with each other. 12. 基因将被编辑以预防遗传疾病。 Genes will be ______ to ______ genetic diseases. 13. DNA在健康和技术中扮演重要角色。 DNA plays an ______ ______ in our health and technology. 14. 它将在未来几年被广泛研究。 It will be ______ ______ in the coming years. 15. DNA测试越来越普遍。 DNA ______ is becoming more and more ______. 16. DNA将被用于诊断和治疗疾病。 DNA will be used to ______ and ______ diseases. 17. 了解生命的组成部分很有趣。 It is ______ to learn about the ______ blocks of life. 18. 它们塑造了我们是谁。 They ______ who we ______. 19. 更多关于DNA的奇妙事实将被发现。 More ______ facts about DNA will be ______. 20. DNA是生命的蓝图。 DNA is the ______ of ______. 【参考答案】 一、单项选择 1. A(build) 2. A(complicated) 3. A(DNA) 4. A(before) 5. A(unique) 6. A(parents) 7. A(relatives) 8. A(hair) 9. A(DNA) 10. A(sick) 11. A(diseases) 12. A(coming) 13. A(will be held) 14. A(will be used) 15. A(building) 二、完成句子 1. drawing; how 2. complicated; car 3. create; being 4. colour; strongly 5. living; unique 6. repeats; from 7. identify; relatives 8. finger; hair 9. conditions; caused 10. look; before 11. understand; interact 12. edited; prevent 13. important role 14. widely studied 15. testing; common 16. diagnose; treat 17. interesting; building 18. shape; are 19. fantastic; discovered 20. blueprint; life 1 学科网(北京)股份有限公司 $

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Unit6 知识点-Lesson 3讲义 2026-2027学年冀教版英语九年级上册
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Unit6 知识点-Lesson 3讲义 2026-2027学年冀教版英语九年级上册
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Unit6 知识点-Lesson 3讲义 2026-2027学年冀教版英语九年级上册
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