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Section A第2课时（3a~4c）
类别
| 学习重点
| 重点单词
| ruler, boil, smell, national, fridge, low, translate, lock, earthquake, biscuit, cookie, instrument, remain, trade, doubt, somebody, ring, bell, sudden, musical
| 重点短语
| by accident, without doubt, all of a sudden, fall into, less than, not…until,
take place, drop into
| 重点句式
| 1.How was tea invented？
2.The tea trade from China to Western countries took place in the 19th century.
3.It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.
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课前预习
| 写一写
| 1.煮沸；烧开boil
2.保持不变；剩余remain
3.气味smell
4.国家的；民族的national
| | 译一译
| 1.意外地by accident
2.发生take place
3.毫无疑问without doubt
4.在露天的炉火上over the open fire
| | 背一背
| 1.茶是什么时候第一次被喝的？
When was tea first drunk?
2.毫无疑问中国人是最了解茶的原生态的人。
The Chinese are without doubt the ones who best understand the nature of tea.
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新课导入
| Say that Chinese tea is drunk and famous all over the world,then ask the students if they know how the tea was invented.
| 新课展示
| 【完成教材3a~4c的教学任务】
1.3a学生快速阅读本节文章，找出每段的段意。
2.3b学生再次阅读该文章，找出本节问题的答案。
3.3c学生根据文意用方框中单词的适当形式完成句子。
4.处理3a重难点，学生朗读。
5.4a用被动语态改写句子。
6.4b学生用方框内动词的正确形式完成句子。
7.4c学生确定这些句子应该用主动语态还是被动语态。在空白处填上正确的形式。
【语法提要】
1.by accident
(1)by accident=by chance/accidentally，意为“偶然地；意外地”，作副词用。如：
He thought out the solution to the problem by accident.他偶然想出了解决问题的办法。
We didn’t know he did it whether by accident or design.我们不知道他是偶然还是有意做了这件事。(2)by accident与by mistake的区别：
by mistake表示“不小心地；错误地”。如：
I took your umbrella by mistake yesterday.昨天我错拿了你的伞。
He wrote the word “fell” by mistake in the English class.上英语课时他错误地把单词写成了“fell”。
by accident表示“偶然地”。如：
I met my old neighbour in the park by accident/chance yesterday.昨天我偶然在公园碰到了老邻居。
【问题探究】
1.Great changes have taken place in Suzhou in recent years.
2.ItB that you got a lot of awards.
A.reports B.is reported C.reported
3.—When did he come back last night?
—HeBback _______ 10 o’clock.
A.came;until
B.didn’t come;until
C.came;till
4. Without（with） doubt，China is developing fast now.
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活学活练
| (B)1.That child broke his leg _______ when he was climbing the mountain.
A.by mistake
B.by accident
C.by chance
(A)2.—What _______ to you?
—Great changes _______ there so that I couldn’t find my house.
A.happened;took place
B.took place;happened
C.happened;happened
(A)3. The teacher called me “Li Lei” time after time _______ .
A.by mistake
B.by accident
C.by chance
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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
| 本课时通过阅读练习让学生体验和感悟被动语态的运用，同时通过Grammar Focus进一步总结归纳被动语态中过去分词的规则变化，然后通过4a、4b、4c的练习进一步巩固。我让学生采用自主学习的方式，自主编对话，练习重点句型，在使用导学案进行教学时，我认为仍然离不开创设情境，以激发学生的学习兴趣。
| | 教学过程中老师的疑问：
| | 教师点评和总结：
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教学说明：
询问学生有关茶的情况，为学习3a 作铺垫。
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发表于 2026-3-6 04:31:07