Unit1知识点 Cross-curricular connection讲义 2026-2027学年沪教版九年级英语上册

本初中英语讲义聚焦九年级上册Unit1青霉素发现这一跨学科主题，系统梳理从青霉素发现前的感染困境、弗莱明偶然发现霉菌杀菌现象，到抗生素研发应用及超级细菌挑战的完整脉络，以重点词汇、核心短语和关键句型为学习支架。 资料通过科学史叙事整合英语与科学知识，培养学生文化意识中的科学探究精神，设计单项选择与完成句子练习提升语言能力，逻辑化知识点编排助力思维品质发展。课中辅助教师系统授课，课后高频短语汇总与参考答案帮助学生自主复习，有效查漏补缺。

九年级英语上册Unit1知识点-Cross-curricular connection讲义 【课文要点】 1. Many people consider the discovery of penicillin to be a major turning point in the history of the world. 许多人认为青霉素的发现是世界历史上的一个重大转折点。 - consider...to be 认为……是 - penicillin n. 青霉素 - turning point 转折点 2. Before penicillin, a simple cut or insect bite could lead to serious infection and even death. 在青霉素出现之前，一个简单的伤口或昆虫叮咬都可能导致严重感染甚至死亡。 - lead to 导致 - infection n. 感染 3. Similarly, diseases caused by bacteria were likely to kill patients within weeks or even days. 同样，由细菌引起的疾病可能在几周甚至几天内夺去患者的生命。 - similarly adv. 同样地 - bacteria n. 细菌（复数） - be likely to 可能 - within weeks 在几周内 4. Doctors tried their best, but their treatments often failed and many patients died. 医生们尽了最大努力，但他们的治疗常常失败，许多患者死亡。 - tried their best 尽了最大努力 - treatments n. 治疗 5. It is hard to believe that this world-changing discovery happened by accident! 很难相信这个改变世界的发现是偶然发生的！ - world-changing adj. 改变世界的 - by accident 偶然地，意外地 6. In 1928, a scientist in London called Alexander Fleming came back from holiday to find his laboratory in a bit of a mess. 1928年，伦敦一位名叫亚历山大·弗莱明的科学家度假回来，发现他的实验室有点乱。 - came back from holiday 度假回来 - laboratory n. 实验室 - in a mess 乱七八糟 7. He noticed there was mould growing on some of the laboratory dishes left lying around. 他注意到一些随意放置的实验室培养皿上长出了霉菌。 - mould n. 霉菌 - dishes n. 培养皿 - left lying around 随意放置 8. As he sorted through them, he noticed something extraordinary. 当他整理这些培养皿时，他注意到了一些不寻常的事情。 - sorted through 整理 - extraordinary adj. 非凡的，不寻常的 9. There were no bacteria in areas around the mould. 在霉菌周围的区域没有细菌。 10. Fleming found that a substance in the mould was killing the bacteria. He called it “penicillin”. 弗莱明发现霉菌中的一种物质正在杀死细菌。他称之为“青霉素”。 - substance n. 物质 - killing v. 杀死 11. Sadly, Fleming did not have the money or equipment to develop his research further. 遗憾的是，弗莱明没有资金或设备来进一步开展他的研究。 - equipment n. 设备 - develop his research further 进一步开展研究 12. It was only in the 1940s that scientists in the United States were able to produce penicillin in large quantities. 直到20世纪40年代，美国的科学家才能够大量生产青霉素。 - in large quantities 大量地 13. Other antibiotics were also developed during this period. 在此期间，其他抗生素也被研发出来。 - antibiotics n. 抗生素（复数） 14. Since then, antibiotics have been widely used to treat infections. 从那时起，抗生素被广泛用于治疗感染。 - since then 从那时起 - widely adv. 广泛地 15. However, in recent years, some people have become infected by bacteria that are able to survive antibiotic treatments. 然而，近年来，一些人感染了能够抵抗抗生素治疗的细菌。 - become infected 被感染 - survive v. 存活，抵抗 16. Because of these “superbugs”, it has become clear that we cannot rely completely on antibiotics in the future. 由于这些“超级细菌”，很明显，我们在未来不能完全依赖抗生素。 - superbugs n. 超级细菌 - rely on 依赖 - completely adv. 完全地 【高频短语汇总】（中英互译） 1. ________________________ 认为……是 2. ________________________ 青霉素 3. ________________________ 转折点 4. ________________________ 导致 5. ________________________ 感染 6. ________________________ 细菌 7. ________________________ 可能 8. ________________________ 尽了最大努力 9. ________________________ 偶然地，意外地 10. ________________________ 实验室 11. ________________________ 霉菌 12. ________________________ 培养皿 13. ________________________ 非凡的，不寻常的 14. ________________________ 物质 15. ________________________ 设备 16. ________________________ 大量地 17. ________________________ 抗生素 18. ________________________ 从那时起 19. ________________________ 超级细菌 20. ________________________ 依赖 【综合练习】 一、单项选择 ( ) 1. Many people consider the discovery of penicillin to be a major turning point ______ the history of the world. A. on B. in C. at D. for ( ) 2. A simple cut could ______ serious infection. A. lead to B. lead in C. lead on D. lead for ( ) 3. Diseases caused by bacteria were ______ to kill patients. A. like B. likely C. liking D. liked ( ) 4. This world-changing discovery happened ______ accident. A. on B. in C. by D. at ( ) 5. Fleming came back from holiday to find his laboratory ______ a bit of a mess. A. on B. in C. at D. for ( ) 6. He noticed there was mould ______ on some of the dishes. A. grow B. grows C. growing D. grew ( ) 7. He noticed something ______. A. extraordinary B. extraordinary C. extraordinarily D. extra ( ) 8. Fleming called the substance ______ penicillin. A. penicillin B. penicillins C. penicilin D. penicilling ( ) 9. Scientists were able to produce penicillin ______ large quantities. A. on B. in C. at D. for ( ) 10. Antibiotics have been widely used to treat ______. A. infect B. infects C. infections D. infected ( ) 11. Some bacteria are able to ______ antibiotic treatments. A. survive B. survives C. surviving D. survived ( ) 12. We cannot rely completely ______ antibiotics in the future. A. to B. for C. on D. with ( ) 13. Fleming did not have the money or equipment to develop his research ______. A. far B. farther C. further D. farthest ( ) 14. It was ______ in the 1940s that scientists produced penicillin. A. only B. just C. even D. still ( ) 15. Since ______, antibiotics have saved millions of lives. A. then B. now C. before D. after 二、根据汉语意思完成句子（每空一词） 1. 许多人认为青霉素的发现是一个重大的转折点。 Many people ____________ the discovery of penicillin to be a major turning point. 2. 一个简单的伤口可能导致严重感染。 A simple cut could ____________ to serious infection. 3. 细菌引起的疾病可能在几周内夺去患者的生命。 Diseases ____________ by bacteria were likely to kill patients within weeks. 4. 医生们尽了最大努力，但他们的治疗常常失败。 Doctors ____________ their best, but their treatments often failed. 5. 这个改变世界的发现是偶然发生的。 This world-changing discovery happened ____________ accident. 6. 亚历山大·弗莱明度假回来发现他的实验室有点乱。 Alexander Fleming came back from holiday to find his laboratory in a ____________ of a mess. 7. 他注意到一些培养皿上长出了霉菌。 He noticed there was ____________ growing on some of the dishes. 8. 他注意到了一些不寻常的事情。 He noticed something ____________. 9. 霉菌中的一种物质正在杀死细菌。 A ____________ in the mould was killing the bacteria. 10. 弗莱明没有资金或设备来进一步开展他的研究。 Fleming did not have the money or ____________ to develop his research further. 11. 直到20世纪40年代，科学家才能够大量生产青霉素。 It was only in the 1940s that scientists were able to produce penicillin in large ____________. 12. 其他抗生素也被研发出来。 Other ____________ were also developed. 13. 从那时起，抗生素被广泛用于治疗感染。 ____________ then, antibiotics have been widely used to treat infections. 14. 我们不能完全依赖抗生素。 We cannot ____________ completely on antibiotics. 15. 科学家们正在努力寻找新的方法来对抗感染。 Scientists are working hard to find new ways to ____________ infections. 16. 超级细菌对抗生素有抗性。 ____________ are resistant to antibiotics. 17. 青霉素的发现拯救了无数生命。 The discovery of penicillin has saved ____________ lives. 18. 这个发现改变了世界。 This discovery ____________ the world. 19. 医疗科学在不断进步。 ____________ science is always advancing. 20. 我们不应该过度使用抗生素。 We should not ____________ antibiotics too much. 【参考答案】 一、单项选择 1. B 2. A 3. B 4. C 5. B 6. C 7. A 8. A 9. B 10. C 11. A 12. C 13. C 14. A 15. A 二、完成句子 1. consider 2. lead 3. caused 4. tried 5. by 6. bit 7. mould 8. extraordinary 9. substance 10. equipment 11. quantities 12. antibiotics 13. Since 14. rely 15. fight 16. Superbugs 17. countless 18. changed 19. Medical 20. overuse 1 学科网（北京）股份有限公司 $