Unit4知识点-Section B 1a-1f讲义2026-2027学年人教版英语八年级上册

本初中英语讲义聚焦八年级上册Unit4 Section B 1a-1f核心知识点，以“We Can't Live Without Bees”为主题，从超市食物缺失现象切入，逐步解析蜜蜂传粉的生态作用、勤劳特性、交流方式及数量下降现状，通过词汇（如imagine, pollination）、语法（虚拟语气would, help sb. do结构）和短语（几乎没有、扮演重要角色等）搭建从理解到应用的学习支架。 该资料特色鲜明，主题贴近生活易引发共鸣，通过“现象-原因-行动”逻辑链培养学生思维品质，高频短语汇总与综合练习（单项选择、完成句子）强化语言能力。课中助力教师系统授课，课后学生可借助练习及参考答案巩固知识，查漏补缺，提升英语应用与生态保护意识。

八年级英语上册Unit4知识点-Section B 1a-1f讲义 【课文要点】 Part 1: We Can't Live Without Bees 1. Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. 想象你去你附近的超市，但几乎没有水果、蔬菜、蜂蜜、牛奶、鸡蛋或巧克力。 - imagine v. 想象 - area n. 地区，区域 - almost no 几乎没有 - fruits, vegetables, honey, milk, eggs, chocolate 都是不可数或复数名词 2. How would you feel? Disappointed? Angry? Sad? 你会感觉怎么样？失望？生气？悲伤？ - would 表示虚拟语气 - disappointed adj. 失望的 - angry adj. 生气的 3. At this moment you realize people, plants, and animals are all connected. 在这一刻，你意识到人类、植物和动物都是相互联系的。 - realize v. 意识到 - connected adj. 有联系的，连接的 - people, plants, and animals 三者并列 4. We need each other to live, and bees are one of the best examples of this connection. 我们需要彼此才能生存，蜜蜂是这种联系最好的例子之一。 - need each other 需要彼此 - examples of this connection 这种联系的例子 5. Bees are very hard-working animals, and their greatest work is pollination. 蜜蜂是非常勤劳的动物，它们最伟大的工作是传粉。 - hard-working adj. 勤劳的 - pollination n. 传粉 6. On one trip, they often visit 50 to 100 flowers. 在一次飞行中，它们经常拜访50到100朵花。 - on one trip 在一次飞行/旅程中 7. As they fly from one flower to another, they take pollen with them. 当它们从一朵花飞到另一朵花时，它们带着花粉。 - as conj. 当……时候 - from one flower to another 从一朵花到另一朵花 - pollen n. 花粉 8. This action helps plants grow. 这个动作帮助植物生长。 - help plants grow 帮助植物生长（help sb. do） 9. In fact, without their work, about 80 per cent of the plants in the world cannot grow. 事实上，没有它们的劳动，世界上大约80%的植物无法生长。 - in fact 事实上 - 80 per cent of 80%的…… - cannot grow 无法生长 10. For this reason, many scientists believe that bees are the most important animals on this planet. 因此，许多科学家认为蜜蜂是地球上最重要的动物。 - for this reason 因此 - scientists n. 科学家 - planet n. 星球 11. Bees are also one of the most interesting animals in the world. 蜜蜂也是世界上最有意思的动物之一。 12. For example, they work hard together to make their homes. 例如，它们一起努力工作来建造它们的家。 - work hard together 一起努力工作 13. In order to store honey, they create honeycombs. 为了储存蜂蜜，它们制造蜂巢。 - in order to 为了（表目的） - store v. 储存 - honeycombs n. 蜂巢 14. Another interesting thing about bees is how they communicate. 蜜蜂的另一个有趣之处是它们如何交流。 - communicate v. 交流，沟通 15. When a bee finds new food, it uses a dance to tell the others where and how far away the food is. 当一只蜜蜂发现新食物时，它用舞蹈告诉其他蜜蜂食物在哪里以及有多远。 - uses a dance to tell 用舞蹈来告诉 - how far away 多远 16. Bees play an important part in the ecosystem of our planet. 蜜蜂在我们的星球生态系统中扮演着重要的角色。 - play an important part 扮演重要角色 - ecosystem n. 生态系统 17. However, the number of bees is dropping, and scientists are worried. 然而，蜜蜂的数量正在下降，科学家们很担忧。 - the number of ……的数量 - is dropping 正在下降 - worried adj. 担忧的 18. Bees need our help, and there is a lot we can do. 蜜蜂需要我们的帮助，我们能做很多。 19. Think about what you can do to protect one of the most amazing animals on earth. 想想你能做些什么来保护地球上最令人惊叹的动物之一。 - protect v. 保护 【高频短语汇总】（中英互译） 1. ________________________ 几乎没有 2. ________________________ 在这一刻 3. ________________________ 意识到 4. ________________________ 有联系的 5. ________________________ 需要彼此 6. ________________________ 勤劳的 7. ________________________ 传粉 8. ________________________ 从一朵花到另一朵花 9. ________________________ 帮助植物生长 10. ________________________ 事实上 11. ________________________ 因此 12. ________________________ 地球上最重要的动物 13. ________________________ 为了 14. ________________________ 储存蜂蜜 15. ________________________ 蜂巢 16. ________________________ 交流 17. ________________________ 扮演重要角色 18. ________________________ 生态系统 19. ________________________ ……的数量 20. ________________________ 保护 【综合练习】 一、单项选择 ( ) 1. ______ you go to the supermarket, but there are no fruits. A. Imagine B. Imaging C. Imagined D. To imagine ( ) 2. People, plants, and animals are all ______. A. connect B. connects C. connected D. connecting ( ) 3. We need ______ other to live. A. every B. each C. both D. all ( ) 4. Bees are one of the ______ examples of this connection. A. good B. better C. best D. more good ( ) 5. Their ______ work is pollination. A. great B. greater C. greatest D. more great ( ) 6. Bees often visit 50 to 100 flowers ______ one trip. A. on B. in C. at D. for ( ) 7. This action ______ plants grow. A. help B. helps C. helped D. helping ( ) 8. Without their work, about 80 per cent of the plants ______ grow. A. can B. cannot C. could D. couldn't ( ) 9. ______ this reason, many scientists believe bees are important. A. To B. For C. At D. In ( ) 10. In order to store honey, they ______ honeycombs. A. create B. creates C. created D. creating ( ) 11. Another interesting thing is ______ they communicate. A. what B. where C. how D. when ( ) 12. When a bee finds food, it uses a dance ______ the others. A. tell B. to tell C. telling D. told ( ) 13. Bees play an important ______ in the ecosystem. A. way B. role C. part D. both B and C ( ) 14. The number of bees ______ dropping. A. am B. is C. are D. be ( ) 15. Think about what you can do ______ bees. A. protect B. to protect C. protecting D. protected 二、根据汉语意思完成句子（每空一词） 1. 想象你去超市，但没有水果。 ____________ you go to the supermarket, but there are ____________ no fruits. 2. 在这一刻，你意识到它们都是相互联系的。 ____________ this moment, you ____________ they are all connected. 3. 我们需要彼此才能生存。 We ____________ each other to ____________. 4. 蜜蜂是最勤劳的动物之一。 Bees are one of the ____________ ___________\-____________ animals. 5. 它们最伟大的工作是传粉。 Their ____________ work is ____________. 6. 在一次飞行中，它们经常拜访50到100朵花。 ____________ one trip, they often ____________ 50 to 100 flowers. 7. 这个动作帮助植物生长。 This action ____________ plants ____________. 8. 事实上，没有它们的劳动，植物无法生长。 ____________ fact, without their work, plants ____________ grow. 9. 因此，科学家认为蜜蜂是最重要的动物。 ____________ this reason, scientists believe bees are the most important animals. 10. 蜜蜂也世界上最有意思的动物之一。 Bees are also one of the ____________ ____________ animals in the world. 11. 它们一起努力工作来建造它们的家。 They work ____________ together to ____________ their homes. 12. 为了储存蜂蜜，它们制造蜂巢。 ____________ order to ____________ honey, they create honeycombs. 13. 蜜蜂的另一个有趣之处是它们如何交流。 Another ____________ thing is ____________ they communicate. 14. 当一只蜜蜂发现新食物时，它用舞蹈来告诉其他蜜蜂。 When a bee finds new food, it uses a ____________ to tell the others. 15. 蜜蜂在生态系统中扮演着重要的角色。 Bees play an important ____________ in the ecosystem. 16. 蜜蜂的数量正在下降。 The ____________ of bees is ____________. 17. 科学家们很担忧。 Scientists are ____________. 18. 想想你能做些什么来保护蜜蜂。 ____________ about what you can do to ____________ bees. 19. 大约80%的植物无法生长。 ____________ 80 ____________ cent of the plants cannot grow. 20. 蜜蜂需要我们的帮助。 Bees ____________ our help. 21. 你能告诉我它们如何交流吗？ Can you tell me how they ____________? 22. 它们为植物传粉。 They ____________ plants. 23. 我们应该保护这些动物。 We should ____________ these animals. 24. 它们是我们星球上最重要的动物之一。 They are one of the most important animals on our ____________. 25. 蜜蜂通过舞蹈交流。 Bees ____________ through dance. 【参考答案】 一、单项选择 1. A 2. C 3. B 4. C 5. C 6. A 7. B 8. B 9. B 10. A 11. C 12. B 13. D 14. B 15. B 二、完成句子 1. Imagine; almost 2. At; realize 3. need; live 4. most; hard-working 5. greatest; pollination 6. On; visit 7. helps; grow 8. In; cannot 9. For 10. most; interesting 11. hard; make 12. In; store 13. interesting; how 14. dance 15. part 16. number; dropping 17. worried 18. Think; protect 19. About; per 20. need 21. communicate 22. pollinate 23. protect 24. planet 25. communicate 1 学科网（北京）股份有限公司 $