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Section B 第4课时（2a~2e）
类别
| 学习重点
| 重点单词
| gate, bottle, president, work, metal
| 重点短语
| throw away, pull…down, build sth. out of, put sth. to good use, be made of/from, set up, turn upside down, be known for, bring back to
| 重点句式
| 1. Have you ever thought about how these things can actually be put to good use?
2. She has been doing this for a few years now.
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课前预习
| 写一写
| 1.大门gate 2.瓶子bottle 3.负责人president
4.作品work 5.金属metal
| | 译一译
| 1.拆下pull…down 2.好好利用put sth. to good use
3.由……制成be made of/from 4.倒转过来turn upside down
| | 背一背
| 1.艾米不是唯一一个擅长回收再利用的人。
Amy isn't the only one who is good at recycling.
2.她现在做这事有几年了。
She has been doing this for a few years now.
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新课导入
| Teacher:Do you know how some people save energy and cut down pollution? Today we will learn about Amy's, Jessica Wong's and Wang Tao's stories.
| 新课展示
| 【完成教材2a~2e的教学任务】
1.快速看2b中的图片，完成2a的任务。
2.要求学生快速阅读短文，完成2b练习。
3.先邀请几位同学朗读短文，教师要注意语音，及时纠正错误，然后播放录音，全班同学一起跟读。
4.再细读短文完成2c的任务，选用方框中的短语的正确形式补全2c中的短文。
5.教师讲解本课时的重难点。
6.读文章10分钟，完成2d任务。（注意词根）
7.以小组为单位讨论学生们需要做什么来保护环境。
8.教师让每个小组代表列出各组有关保护环境的措施，全班分享。
【语法提要】
1.be made of…意为“由……制成”。
例句：My sweater is made of wool.我的毛衣是由羊毛制成的。
辨析：be made of与be made from
be made of
| 指从原料到制成品没有发生本质变化，从成品上能够看得出原材料。
| The desk is made of wood.
这张桌子由木头制成。
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| 新课展示
| be made from
| 表指从原料到制成品发生了质的变化，从成品上已看不出原材料。
| The wine is made from grapes. 这酒由葡萄制成。
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拓展：(1)be made in…意为“产于……；于……制造”，后接表示地点的名词。
例句：This TV set is made in Shanghai.这台电视是上海制造的。
(2)be made into…意为“被制造成为……”。
例句：This piece of wood will be made into a small bench.这块木头将要被制成一个小长凳。
(3)be made by…意为“由……制成”，后接动作的执行者。
例句：The machine is made by the workers in the factory. 这台机器是由工厂里的工人们制造的。
2.be known for意为“以……而闻名”，可与be famous for互换，for后面接名词或v.-ing形式。
例句：He is known for his profound knowledge. 他以学问渊博而出名。
拓展：be known as与be famous as同义，意为“作为……而出名”。
例句：This area is known as/famous as the hometown of Chinese Wushu. 这个地区作为中国武术之乡而出名。
【问题探究】
1.大门是用石头和玻璃瓶做的。
The gate is made of rocks and glass bottles .
2.王涛因用来自旧车的铁做艺术品而闻名。
Wang Tao is known for using iron from the old cars to make art pieces.
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活学活练
| 用适当的介词填空。
1. The desk was made of wood by my father in my home.
2. Thomas Alva Edison is known for his great inventions.
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布置作业：教师引导学生课后完成本课时对应练习，并预习下一课时内容。
教学反思
| 本课时主要是训练学生的阅读理解能力与信息归纳能力。在教学过程中，通过教师的提问与引导，学生都能较好地掌握本节课的重难点，教学效果良好。
| | 教学过程中老师的疑问：
| | 教师点评和总结：
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发表于 2026-3-6 04:57:12