内容正文:
东汉时期,人们记录文字主要用竹简和秦帛,竹简笨重,秦博昂贵,上方令蔡伦决心用廉价原料改良造纸术。第一步,错切,将树皮、破布切碎。第二步、熬煮、浸泡、蒸煮,去除杂质。第三步、冲倒,反复垂捣成浆。第四步,钞造细连,捞浆呈薄纸膜。第五步,干燥晾晒后压平磨光。改良后的纸张名为蔡侯纸。公元105年,蔡伦向汉和帝献纸,以树皮、麻头、破布、渔网为原料,大幅降低成本。新纸轻薄便携,很快替代笨重的睑。薄蔡侯纸,迅速推广,成为廉价高效的书写载体,推动了文化普及,影响深远。这项技术经丝绸之路西传,改变了世界文明进程。蔡伦造纸术作为中国四大发明之一,至今影响深远。
译林版三起 六年级上册
Unit 3 Great people
Grammar time
应用实践
通过补全对话、问答操练等活动,正确选用疑问句型完成人物信息问答,牢记did后接动词原形的规则,准确运用一般过去时特殊疑问句询问伟人相关信息,逐步提升语法运用能力。
核心知识点
核心词汇:
eat-ate, give-gave, go-went, grow-grew, know-knew, make-made, read-read, say-said , take-took, teach-taught
核心句型:
How/Who was …?
How did …?
学习理解
通过观察、梳理、归纳Cartoon time与Story time中的例句,明确一般过去时特殊疑问句用于询问人物过往经历的表意功能,理解Who was…?和How did…?的句式结构,区分be动词与助动词did的用法,巩固常见不规则动词过去式。
迁移创新
通过小组问答、口头介绍榜样人物等活动,熟练运用目标句型开展交流,实现从知识输入到语言输出的有效转化,感受伟人坚持不懈、甘于奉献的精神,树立向榜样学习的意识。
Learning Objectives
目录
Contents
Lead-in
Presentation
Practice
Summary
Homework
Part 01
Lead-in
Read and judge
Game rule:
如果句子正确,
一起说:Yeah! Yeah! Yeah!
如果句子错误,
一起说:No! No! No!并更正!
Read and judge
Yuan Longping was a Chinese
rice scientist.
Yeah! Yeah! Yeah!
Read and judge
He was born in 1940 in ShangHai.
No! No! No!
in 1930 in BeiJing
Read and judge
He did little research on rice.
No! No! No!
lots of
Read and judge
He grew hybrid rice to feed more
people.
Yeah! Yeah! Yeah!
Read and judge
He began his rice research in 1970.
No! No! No!
in 1964
Read and judge
He never gave up his dream.
Yeah! Yeah! Yeah!
Look and retell
根据思维导图时间线,复述袁爷爷的生平事迹。
liked farming
began to work
on hybrid rice.
studied
farming
In 1973
In 2021
Part 02
Presentation
Read and learn
Yuan Longping was a Chinese rice scientist.
He was born in 1930 in Beijing.
He did lots of research on rice.
He grew hybrid rice to feed more people.
He began his rice research in 1964.
He never gave up his dream.
读一读,找出句子中的动词过去式并写出原形。
is
is
do
grow
begin
give
Think and read
eat-ate give-gave
go-went grow-grew
make-made read-read
say-said take-took
know-knew teach-taught
想一想,我们还学过哪些动词的不规则过去式,说一说,读一读。
Read and find
例句 动词过去式
How was school today?
Who was Yuan Longping?
What were his dreams?
观察红框里的内容,说一说你的发现。
is-was
is-was
are=were
找出句子中的动词过去式
一般过去时:(特殊疑问句):
特殊疑问词+was/were+主语+其他?
Read and find
例句 动词过去式
How did his dream come true?
When did he begin to work on hybrid rice?
What did he do to develop hybrid rice?
观察红框里的内容,说一说你的发现。
do-did
do-did
do-did
找出句子中的动词过去式
一般过去时:(特殊疑问句):
特殊疑问词+did+主语+动词原形+其他?
Look and say
Who is he?
Cai Lun
Read and complete
阅读关于蔡伦的文章,完成下列思维导图。
invent发明
inventor发明家
people who make new things
Read and learn
一位伟大中国发明家
汉朝
喜欢制作东西
在那个时候
在竹子和丝绸上写字
bamboo竹子
silk丝绸
heavy重的
dear昂贵
use sth. to do sth.
用某物去做某事
Read and complete
阅读关于蔡伦的文章,完成下列思维导图。
What did he do?
Why was he great?
Make, ask and answer
Make a card about Cai Lun. Then ask and answer with your partner.
What did he want to do? He wanted to use cheap things to make paper.
How did he do it? He kept thinking and trying, and never gave up.
Why was his invention important?
His paper helped more people read and write.
Make, ask and answer
Make a card about Cai Lun. Then ask and answer with your partner.
What did Cai Lun invent?
He invented cheap but good
paper.
How did he make the paper?
He didn’t give up. He kept thinking and trying, and finally he made the paper.
Why was his paper very important?
Because it helped more people read and write.
两人一组,进行问答。
Think and say
We learn not to give up when things are hard.
We should keep thinking and trying until we make it.
Let’s enjoy
Part 03
Practice
Practise
一、写出下列动词的过去式
1.give → _______ 2.go → _______
3.grow → _______ 4.know → _______
5.make → _______ 6. read → _______
7.say → _______ 8.take → _______
gave
went
grew
knew
made
read
said
took
Practise
二、用 was /were/did 填空(区分三种核心句型)
1. Who _______ Cai Lun?
2. How _______ his dream come true?
3. How _______ his life in the Han Dynasty?
4. _______ he give up when it was hard?
5. How _______ the paper he made?
was
did
was
Did
was
Part 04
Summary
was → I / he / she / it / 单数人名 / 单数事物
Summary
Part 05
Homework
Homework
基础题:抄写1遍Grammar的句子。
提高题:回顾动词规则的过去式和不规则的过去式,并说一说。
拓展题:用本节课学到的知识,用过去式与同学或家人讲自己知道的伟人的故事。
译林版三起 六年级上册
Thank you!
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