Unit 8 Section B 语句精讲 2026-2027学年人教版初中英语九年级上册

该初中英语课件聚焦人教版九年级上册Unit 8 Section B核心语句，涵盖as引导时间状语从句、现在分词作结果状语、make sure宾语从句等语法点。通过奥运赛事、工作场景等实例导入，以“例句呈现-知识点解析-拓展例句”层层递进，构建从理解到运用的学习支架。 其亮点在于结合真实情境例句（如博尔特创纪录、国际友人接待），通过精准解析与模拟考场练习，提升学生语言能力与思维品质。采用“讲练结合”教学方法，帮助学生掌握语法应用策略，教师可直接用于课堂教学，提高教学效率。

Unit 8 Section B 语句精讲 人教版九年级上册 1 语句总览 2 We watched in wonder as Usain Bolt smiled his way across the finish line in the 100 metres, setting a new world record. We worked with pride to make sure that people from around the world had a comfortable stay. 语句总览 3 His time for the event improved from 1 minute 52 seconds, his Olympic record, to under 57 seconds! as 此处意为“当……的时候”，引导时间状语从句，强调主句和从句动作同时发生。 as 引导时间状语从句，从句多用一般过去时，描述过去同步发生的动作。 【解析】 【知识点1】as 引导时间状语从句 当……的时候 句 1 We watched in wonder as Usain Bolt smiled his way across the finish line in the 100 metres, setting a new world record. 我们惊奇地看着尤塞恩·博尔特在100米短跑中一路微笑着冲过终点线，创造了新的世界纪录。 4 【例句】 As the sun rose, we started our long journey. 当太阳升起时，我们开启了漫长的旅程。 As she sang, all the listeners fell into silence. 当她唱歌时，所有听众都陷入了安静。 As time went by, we became good friends. 随着时间的流逝，我们变成了好朋友。 5 句中 setting a new world record 是现在分词短语，置于句末用逗号隔开，作结果状语。 表示主句动作自然而然产生的意料之中的结果。 现在分词的逻辑主语和主句主语保持一致。 【解析】 【知识点2】现在分词作结果状语 【例句】 He studied hard, making great progress in English. 他努力学习，在英语上取得了很大进步。 The rain lasted all day, causing heavy floods nearby. 雨下了一整天，在附近引发了严重的洪水。 6 make sure 意为“确保、保证”，后面接 that 引导的宾语从句，that 可省略。 从句用陈述语序，时态常和主句时态保持一致。 常用来表达目的、叮嘱、确保某事顺利发生。 【解析】 【知识点】make sure that + 宾语从句 We worked with pride to make sure that people from around the world had a comfortable stay. 我们自豪地工作，以确保来自世界各地的人们都能度过一段舒适的时光。 句 2 7 【例句】 Make sure that you finish your homework on time. 确保你按时完成作业。 Please make sure that all the windows are closed. 请确保所有窗户都关好。 Make sure that you wear a helmet when riding a bike. 骑自行车时务必确保戴上头盔。 Doctors are trying to make sure that the patient is safe. 医生们正在努力确保病人的安全。 8 固定介词搭配，表示从……(数值/状态）提升/变化到……。 可用于时间、数字、程度、状态等变化表达。 放在句中直接连接前后两个对比的数据。 【解析】 【知识点1】from...to... 从……到…… His time for the event improved from 1 minute 52 seconds, his Olympic record, to under 57 seconds! 他的时间从1分52秒，他的奥运会纪录，提高到57秒以下！ 句 3 9 【例句】 The temperature dropped from 20 degrees to 10 degrees. 气温从20摄氏度降到了10摄氏度。 Her score improved from 70 points to 90 points. 她的分数从70分提升到了90分。 He changed from a shy boy to a confident leader. 他从一个害羞的男孩变成了一位自信的领袖。 The weather got colder from dry to wet in just one day. 天气在一天之内就从干燥变得湿润阴冷。 10 句中 his Olympic record 是名词短语，作同位语，前后用逗号隔开。 补充解释前面的 1 minute 52 seconds，说明这个成绩就是他的奥运纪录。 同位语作用是对前面名词/短语进行补充说明、身份解释。 【解析】 【知识点2】名词短语作同位语 【例句】 Mr Li, our maths teacher, is very kind to us. 李老师，我们的数学老师，对我们很和蔼。 Beijing, the capital of China, is a beautiful city. 北京，中国的首都，是一座美丽的城市。 11 ______ he grew older, his interest in calligraphy deepened. A. So B. Because C. Though D. As 模拟考场 12 The museum is open ______ 9:00 a.m. ______ 5:00 p.m. every day. A. between; and B. from; to C. both; and D. either; or 模拟考场 13 The heavy rain continued for a week, ______ serious flooding in the region. A. caused B. to cause C. causing D. causes 模拟考场 14 完成句子（根据中文提示补全英文）。 模拟考场 1. 出发前请确保你带了护照。 Please ______________ you have taken your passport before setting off. 2. 李先生，我们的新邻居，是个医生。 Mr. Li, _________________, is a doctor. make sure that our new neighbour 15 完成句子（根据中文提示补全英文）。 模拟考场 3. 他的工作时间是从上午9点到下午5点。 His working hours are ___________________. 4. 随着他年龄增长，他变得更高了。 He became taller _______________. from 9 a.m. to 5 p.m. as he grew older 16 $