Unit 2 Writing 课件2025-2026学年沪教版（2024）英语八年级上册

该初中英语课件围绕折线图阅读与人口变化报告写作展开，以帮助Wang Yao完成报告为情境导入，先解析横轴、纵轴、趋势线等图表要素，结合世界人口1850年前缓慢增长、之后快速增长的实例，再提供增长/下降/无变化词汇及句式支架，构建“图表解读-语言输入-报告撰写”的学习脉络。 其亮点在于通过任务驱动与过程性指导，融合语言能力（如运用“rise sharply”“double”等词汇及时态准确表达）、思维品质（分析数据趋势并逻辑组织报告）和学习能力（自主选题、查找数据、对照检查清单修改）。采用“计划-写作-检查”三步法，学生能提升数据描述与书面表达能力，教师可借助清晰流程与评价工具优化教学效果。

By the end of this lesson, students will be able to: learn how to read a line graph; write a report on population change. ➷➷ ➷ ➷ ➷ ➷ ➷ ➷ ➷ ➷ Line graph is often used in writing a report. Do you know how to read a line graph? Writing a report on population change The title shows the topic is about the world's population from 1750 to 2050. Horizontal Axis (横轴) It shows “Year” from 1750 to 2050. Vertical Axis (纵轴) It tells us how many billions of people there are. Data Trends line (数据趋势线) The dotted line(虚线) is a prediction about the future population. The solid line(实线) shows the real population numbers. These are what happened in history. Before 1850, the world population grew slowly. After 1850, the world population grew quickly. Wang Yao is writing a report about the world population with the line graph. Let’s help her complete the report. 1 Help Wang Yao complete the report. Use the words and phrases below to help you. P28 1 Growing numbers: rise (sharply, quickly, slowly), grow, go up, double Falling numbers: fall (sharply, quickly, slowly), drop, go down No change: stay the same, remain the same 急剧增长 保持不变 grew slowly growing quickly 1 billion 2.5 billion doubled 9 billion Read the report again and learn the useful expressions. Useful expressions The graph shows... before the year... During..., the population began... In ..., there were/will be... About...years later, the world population reached... Between... and..., the population... When we describe the population change in the past, we use the simple past tense. When we predict the population change in the future, we use the simple future tense. 2 How has the population in a particular city or province changed over the years? Find information about it and write a report. P29 2 Step 1 Plan Choose a city or province you are interested in. Find information about its population change over a period of time and make a line graph. Step 2 Write Write a report about how the population changed over time. Remember to use the words and phrases in Exercise 1. Useful expressions Growing numbers: rise (sharply, quickly, slowly), grow, go up, double Falling numbers: fall (sharply, quickly, slowly), drop, go down No change: stay the same, remain the same ■ I used a line graph to record and present information, using correct numbers.  ■ I provided a detailed description of how the population of a city/province changed over time.  ■ I used the words and expressions I learnt in this unit.  ■ I used correct spelling, grammar and punctuation.  Step 3 Check and revise Tick (√) the boxes to check your writing, and then revise it. 1. Have you learnt how to read a line graph? 2. Can you write a report on population change? 1. Polish your writing. 2. Search for more information  about the world population change. $$