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①开篇以“...the one that I like best is...”直接点明最喜欢造纸术这一发明，简洁明了。
②通过比较级cheaper、lighter表明改进造纸术的原因。
③To do不定式表目的，增强表达的层次感和逻辑性。
④运用顺序词，使对发明过程的描述更清晰。
⑤not only, but also递进表达发明的影响。
⑥which引导的非限制性定语从句进一步补充说明造纸术带来的影响。
[范文点评]
1. 总评:文章结构清晰,覆盖所有要点。重点介绍发明过程,详略得当。
2. 结构布局:范文采用“开篇点明最喜爱的发明→正文介绍发明过程→结尾介绍发明的影响”的三段式结构,层次分明。
写作实践
自科技第一次出现在人类活动中以来,各项大大小小的发明使得人们的生活日新月异。近来,人工智能(AI)和3D打印技术更是大大方便了人类的生活。假设你是刘东,你想就“A Great Invention”这一话题与你的美国朋友Henry展开讨论。请你根据以下提示,给他写一封电子邮件。
提示:1. What is the invention? 2. When was it invented? 3. How was it invented? 4. What is its influence?
注意:1.语言表达准确,短文连贯通顺;2.必须包括上述所有要点提示,可适当发挥;3.80词左右(邮件的开头及结尾已给出,不计入总词数)。
Dear Henry,
I'm writing to talk about a great invention with you.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
②通过比较级cheaper、lighter表明改进造纸术的原因。
③To do不定式表目的，增强表达的层次感和逻辑性。
④运用顺序词，使对发明过程的描述更清晰。
⑤not only, but also递进表达发明的影响。
⑥which引导的非限制性定语从句进一步补充说明造纸术带来的影响。
[范文点评]
1. 总评:文章结构清晰,覆盖所有要点。重点介绍发明过程,详略得当。
2. 结构布局:范文采用“开篇点明最喜爱的发明→正文介绍发明过程→结尾介绍发明的影响”的三段式结构,层次分明。
写作实践
自科技第一次出现在人类活动中以来,各项大大小小的发明使得人们的生活日新月异。近来,人工智能(AI)和3D打印技术更是大大方便了人类的生活。假设你是刘东,你想就“A Great Invention”这一话题与你的美国朋友Henry展开讨论。请你根据以下提示,给他写一封电子邮件。
提示:1. What is the invention? 2. When was it invented? 3. How was it invented? 4. What is its influence?
注意:1.语言表达准确,短文连贯通顺;2.必须包括上述所有要点提示,可适当发挥;3.80词左右(邮件的开头及结尾已给出,不计入总词数)。
Dear Henry,
I'm writing to talk about a great invention with you.
The invention I want to share is the mobile phone. It was invented by Martin Cooper in 1973, and has become an important part of our daily lives.
At first, mobile phones were large and expensive, only used for making calls.
Now, they are much smaller and smarter. We can use them to send messages, take photos, surf the internet, and even do shopping.
They make our lives more convenient.
This invention has greatly changed the world. It has made communication faster and easier, and opened up new ways of working and learning.
I believe it will continue to develop and bring more changes to our lives.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
答案
标准提分版：
Dear Henry,
I'm writing to talk about a great invention with you. The invention I want to share is the mobile phone. It was invented by Martin Cooper in 1973, and has become an important part of our daily lives.
At first, mobile phones were large and expensive, only used for making calls. Now, they are much smaller and smarter. We can use them to send messages, take photos, surf the internet, and even do shopping. They make our lives more convenient.
This invention has greatly changed the world. It has made communication faster and easier, and opened up new ways of working and learning. I believe it will continue to develop and bring more changes to our lives.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
进阶优化版：
Dear Henry,
I'm writing to talk about a great invention with you. The one I'd like to introduce is the mobile phone, which was invented by Martin Cooper in 1973 and has completely changed the way we live.
In the 1970s, Martin Cooper wanted to create a portable communication device. He spent years designing and testing, overcoming problems like large battery size and weak signal. In 1973, Cooper invented the world's first commercial mobile phone. Later, with the development of digital technology and touch screens, mobile phones turned into the smart devices we use today.
This invention has had a huge influence on society. It has made communication faster and more accessible, changed the way we work and learn, and even created new industries. It is hard to imagine life without a mobile phone now.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
Dear Henry,
I'm writing to talk about a great invention with you. The invention I want to share is the mobile phone. It was invented by Martin Cooper in 1973, and has become an important part of our daily lives.
At first, mobile phones were large and expensive, only used for making calls. Now, they are much smaller and smarter. We can use them to send messages, take photos, surf the internet, and even do shopping. They make our lives more convenient.
This invention has greatly changed the world. It has made communication faster and easier, and opened up new ways of working and learning. I believe it will continue to develop and bring more changes to our lives.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
进阶优化版：
Dear Henry,
I'm writing to talk about a great invention with you. The one I'd like to introduce is the mobile phone, which was invented by Martin Cooper in 1973 and has completely changed the way we live.
In the 1970s, Martin Cooper wanted to create a portable communication device. He spent years designing and testing, overcoming problems like large battery size and weak signal. In 1973, Cooper invented the world's first commercial mobile phone. Later, with the development of digital technology and touch screens, mobile phones turned into the smart devices we use today.
This invention has had a huge influence on society. It has made communication faster and more accessible, changed the way we work and learn, and even created new industries. It is hard to imagine life without a mobile phone now.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
解析
【分析】
本题为英语邮件写作任务，要求围绕“A Great Invention”给美国朋友Henry回信，需覆盖四个核心要点：明确发明是什么、说明发明时间、介绍发明的发展过程、阐述发明的影响。解题思路为：①开篇用简洁句式点明要介绍的发明；②正文按时间顺序梳理发明的发展，对应“怎么发明”的要求；③结尾用递进句式说明发明的影响，呼应主题，最后按邮件要求收尾。
【解析】
写作步骤如下：
1. 开篇：承接给定开头句，直接点明要介绍的发明是手机，补充发明者及发明时间，引出话题；
2. 正文：先说明手机初期的特点（体积大、价格高，仅用于通话），再描述现在的变化（小巧智能，具备多种功能），清晰呈现发明的发展过程；
3. 结尾：用“not only...but also”递进结构说明手机的影响（加快交流、改变工作学习方式等），最后按要求写出结尾句。
【答案】
Dear Henry,
I'm writing to talk about a great invention with you. The invention I want to share is the mobile phone. It was invented by Martin Cooper in 1973, and has become an important part of our daily lives.
At first, mobile phones were large and expensive, only used for making calls. Now, they are much smaller and smarter. We can use them to send messages, take photos, surf the internet, and even do shopping. They make our lives more convenient.
This invention has greatly changed the world. It has made communication faster and easier, and opened up new ways of working and learning. I believe it will continue to develop and bring more changes to our lives.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
【知识点】
英语书信写作、说明文写作、发明话题表达
【点评】
范文结构清晰，符合邮件格式，全面覆盖所有提示要点，语言准确流畅，运用递进句式提升表达效果，详略得当，是一篇符合要求的优秀习作。
【难度系数】
0.5
本题为英语邮件写作任务，要求围绕“A Great Invention”给美国朋友Henry回信，需覆盖四个核心要点：明确发明是什么、说明发明时间、介绍发明的发展过程、阐述发明的影响。解题思路为：①开篇用简洁句式点明要介绍的发明；②正文按时间顺序梳理发明的发展，对应“怎么发明”的要求；③结尾用递进句式说明发明的影响，呼应主题，最后按邮件要求收尾。
【解析】
写作步骤如下：
1. 开篇：承接给定开头句，直接点明要介绍的发明是手机，补充发明者及发明时间，引出话题；
2. 正文：先说明手机初期的特点（体积大、价格高，仅用于通话），再描述现在的变化（小巧智能，具备多种功能），清晰呈现发明的发展过程；
3. 结尾：用“not only...but also”递进结构说明手机的影响（加快交流、改变工作学习方式等），最后按要求写出结尾句。
【答案】
Dear Henry,
I'm writing to talk about a great invention with you. The invention I want to share is the mobile phone. It was invented by Martin Cooper in 1973, and has become an important part of our daily lives.
At first, mobile phones were large and expensive, only used for making calls. Now, they are much smaller and smarter. We can use them to send messages, take photos, surf the internet, and even do shopping. They make our lives more convenient.
This invention has greatly changed the world. It has made communication faster and easier, and opened up new ways of working and learning. I believe it will continue to develop and bring more changes to our lives.
What do you think is a great invention? Please reply to me soon.
Yours,
Liu Dong
【知识点】
英语书信写作、说明文写作、发明话题表达
【点评】
范文结构清晰，符合邮件格式，全面覆盖所有提示要点，语言准确流畅，运用递进句式提升表达效果，详略得当，是一篇符合要求的优秀习作。
【难度系数】
0.5
