Unit4 知识点-A部分讲义 2026-2027学年沪教版五四学制英语八年级上册

本讲义聚焦八年级英语上册Unit4 A部分“过去与现在的对比”核心知识点，系统梳理used to表过去习惯、seldom等频度副词用法，以及“by air”“transport goods”等短语，通过“许多年前-事情开始改变-今天”的时间线构建学习支架，衔接词汇、短语与句子理解。 该资料融合语言能力与文化意识培养，高频短语中英互译和综合练习（单选、完成句子）强化语言运用，结合重庆发展实例渗透家国情怀。课中辅助教师系统授课，课后帮助学生通过练习巩固知识，提升自主学习能力。

八年级英语上册Unit4知识点-A部分讲义 【课文要点】 Part 1: 过去与现在的对比 1. Transport used to be very slow and difficult in the past. 在过去，交通曾经非常缓慢和困难。 - used to 过去常常（表示过去的习惯或状态，现在已不再） - in the past 在过去 2. Today, Chongqing is an international city. 今天，重庆是一个国际化城市。 - international adj. 国际化的 3. Many years ago, people seldom travelled by air but made long journeys by land or sea. 许多年前，人们很少乘飞机旅行，而是通过陆路或海路进行长途旅行。 - seldom adv. 很少（频度副词，表否定） - by air 乘飞机 - by land or sea 通过陆路或海路 - made long journeys 进行长途旅行 4. Nowadays, ships and planes transport goods from faraway places, and trucks take them to stores and homes. 如今，轮船和飞机从遥远的地方运输货物，卡车把它们送到商店和家里。 - nowadays adv. 如今 - transport goods 运输货物 - faraway places 遥远的地方 - trucks n. 卡车 Part 2: A3 — 听力时间线 Many years ago（许多年前） 5. Chongqing looked different. 重庆看起来不同。 6. High mountains and wide rivers made the city difficult to reach. 高山和宽阔的河流使这座城市难以到达。 - difficult to reach 难以到达 7. In the city, people used to climb mountains or take boats to get from one place to another. 在城市里，人们过去常常爬山或乘船从一个地方到另一个地方。 - take boats 乘船 - get from one place to another 从一个地方到另一个地方 Things began to change（事情开始改变） 8. The government decided to build a long bridge across the Jialing River. 政府决定在嘉陵江上修建一座长桥。 - the government 政府 - decided to build 决定修建 - across the Jialing River 横跨嘉陵江 9. The number of bridges increased. 桥梁的数量增加了。 - the number of ……的数量 - increased v. 增加 Today（今天） 10. Chongqing is a modern city with many bridges and tunnels. 重庆是一个拥有许多桥梁和隧道的现代化城市。 - modern adj. 现代化的 - tunnels n. 隧道 【高频短语汇总】（中英互译） 1. ________________________ 在过去 2. ________________________ 过去常常 3. ________________________ 国际化城市 4. ________________________ 很少 5. ________________________ 乘飞机 6. ________________________ 长途旅行 7. ________________________ 如今 8. ________________________ 运输货物 9. ________________________ 遥远的地方 10. ________________________ 难以到达 11. ________________________ 乘船 12. ________________________ 从一个地方到另一个地方 13. ________________________ 决定修建 14. ________________________ ……的数量 15. ________________________ 增加了 【综合练习】 一、单项选择 ( ) 1. Transport ______ to be very slow and difficult in the past. A. use B. uses C. used D. using ( ) 2. Today, Chongqing is ______ international city. A. a B. an C. the D. / ( ) 3. Many years ago, people ______ travelled by air. A. always B. often C. usually D. seldom ( ) 4. People made long journeys ______ land or sea. A. on B. in C. by D. at ( ) 5. Nowadays, ships and planes ______ goods from faraway places. A. transport B. transports C. transported D. transporting ( ) 6. High mountains and wide rivers made the city ______ to reach. A. easy B. difficult C. easily D. difficulty ( ) 7. People used to ______ mountains to get from one place to another. A. climb B. climbs C. climbing D. climbed ( ) 8. The government decided ______ a long bridge. A. build B. to build C. building D. built ( ) 9. The number of bridges ______. A. increase B. increases C. increased D. increasing ( ) 10. Chongqing is a ______ city with many bridges and tunnels. A. modern B. old C. traditional D. small 二、根据汉语意思完成句子（每空一词） 1. 在过去，交通曾经非常缓慢和困难。 Transport ____________ to be very slow and difficult ____________ the past. 2. 今天，重庆是一个国际化城市。 Today, Chongqing is an ____________ city. 3. 许多年前，人们很少乘飞机旅行。 Many years ago, people ____________ travelled by air. 4. 他们通过陆路或海路进行长途旅行。 They made long journeys ____________ land or sea. 5. 如今，轮船和飞机运输货物。 ____________, ships and planes transport goods. 6. 卡车把它们送到商店和家里。 Trucks take them to ____________ and homes. 7. 高山和宽阔的河流使这座城市难以到达。 High mountains and wide rivers made the city ____________ to reach. 8. 人们过去常常爬山或乘船。 People used to climb mountains or ____________ boats. 9. 政府决定在嘉陵江上修建一座长桥。 The government ____________ to build a long bridge across the Jialing River. 10. 桥梁的数量增加了。 The number of bridges ____________. 11. 重庆看起来不同。 Chongqing ____________ different. 12. 过去，从一个地方到另一个地方很困难。 In the past, it was difficult to get from one place to ____________. 13. 嘉陵江上有一座桥。 There is a bridge ____________ the Jialing River. 14. 重庆是现代化的城市。 Chongqing is a ____________ city. 15. 城市的变化很大。 The city has ____________ a lot. 16. 很多年前，重庆是一个小城市。 Many years ago, Chongqing was a ____________ city. 17. 现在，重庆有很多桥。 Now, Chongqing has many ____________. 18. 人们过去常常步行。 People used to ____________. 19. 如今，人们可以乘地铁。 Nowadays, people can take the ____________. 20. 这个城市发展很快。 This city is ____________ fast. 【参考答案】 一、单项选择 1. C 2. B 3. D 4. C 5. A 6. B 7. A 8. B 9. C 10. A 二、完成句子 1. used; in 2. international 3. seldom 4. by 5. Nowadays 6. stores 7. difficult 8. take 9. decided 10. increased 11. looked 12. another 13. across 14. modern 15. changed 16. small 17. bridges 18. walk 19. subway 20. developing 1 学科网（北京）股份有限公司 $