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Unit 1 lesson 1《Planting trees》学案
教学重点 1. 掌握“天气、植树、环保”类核心词汇及短语（如 temperature, seedling, protect the soil 等）；2. 理解并复述“植树步骤、植树意义”的英文表达；3. 提取“绿色长城”的关键信息。
教学难点 1. 准确运用植树步骤的逻辑连词（First, Then, Finally）组织语言；2. 结合语境理解“环保类”短语的实际用法。
目标导航
知识精炼
（一）核心词汇&短语（中英互译）
英文 中文
warm ______ cloudy ______ seedling ______ dig a hole ______ cover its roots with soil ______
prevent dust from spreading ______ desert ______
（二）重点句型（仿写）
1. 描述天气：It will be a warm, cloudy day.
仿写（描述你所在地区的今日天气）：______
2. 表达步骤：First, dig a large hole. Then, place the seedling... Finally, press down the soil.
仿写（描述“整理书桌”的步骤）：______
基础过关
（一）信息提取填空
1. 天气信息：
Today (March 1) is a ______, ______ day. The temperature will be 15℃ at noon and ______ at night.
2. 植树步骤（排序）：
① Press down the soil ② Dig a large hole ③ Water the tree ④ Cover roots with soil ⑤ Place the seedling
正确顺序：______ → ______ → ______ → ______ → ______
3. 植树意义（用材料原句回答）：
-
-
（二）选择判断
1. What is the school project on March 12
A. Having a sports meeting B. Planting trees C. Watching a video
2. The Great Green Wall is built to ______.
A. stop the desert from expanding B. grow more flowers C. make the city beautiful
（一）语篇补全
根据材料逻辑，补全关于“绿色长城”的短文：
The Great Green Wall is in the ______ of China. It is made up of ______ planted by humans. Every year, the Gobi Desert covers about ______ square kilometres of grassland. The project started in ______ and aims to prevent the ______ from expanding.
（二）拓展表达
结合生活实际，用3-5句话写一写“你能为环保做什么”
能力提升
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