Ⅳ. Read and talk about great inventions（以“伟大的发明”为主题按照样子，说一说）
Great inventions around us
People invent things to solve problems.
Great inventions are all around us.
The wheel
• Problem: Long ago, it was hard to carry things or travel around.
• Invention: People invented wheels.
• Influence (影响): The wheel changes the world.
Traffic lights
• Problem:
• Invention:
• Influence:
Dear friends, look around you. There are many other great inventions, such as printing, the television and robots. How many great inventions can you find?

• Problem: Long ago, there was no order for cars and people on the road, and traffic accidents often happened.
• Invention: People invented traffic lights.
• Influence: They make the road much safer and help traffic move in good order.

【分析】本题要求补全“交通灯”对应的问题、发明、影响，需参照示例的结构逻辑：先明确该发明要解决的过往问题，再点明发明本身，最后说明其带来的积极影响。结合交通灯的实际作用，过往道路人车无序、事故频发，以此对应补全内容。
【解析】根据示例结构及交通灯的实际功能，补全内容为：
• Problem: Long ago, there was no order for cars and people on the road, and traffic accidents often happened.
• Invention: People invented traffic lights.
• Influence: They make the road much safer and help traffic move in good order.
【答案】• Problem: Long ago, there was no order for cars and people on the road, and traffic accidents often happened.
• Invention: People invented traffic lights.
• Influence: They make the road much safer and help traffic move in good order.
【知识点】英语书面表达、发明主题应用
【点评】本题围绕“伟大的发明”主题，考查学生对发明相关话题的英语表达能力，要求参照示例结构补全内容，逻辑清晰，难度适中。
【难度系数】0.5

Ⅰ. Listen and choose（Minmin 在学习关于发明和发明家的词汇。听一听他学了哪些单词，选出你听到的内容）
() 1. A. light B. wheel C. robot
() 2. A. printing B. television C. problem
() 3. A. traffic lights B. telephone C. computer
() 4. A. radio B. television C. camera
() 5. A. wheels B. lights C. robots

1. B 2. A 3. A 4. B 5. C

Ⅱ. Listen and match（同学们在介绍自己喜欢的发明及其作用。将学生和他们介绍的发明及用途连线）
Shenshen ● ● A. 红绿灯 ● ● a. help move heavy things
Minmin ● ● B. 轮胎 ● ● b. keep roads safer
Xiaopu ● ● C. ● ● c. let us print books much faster
Xiaojiang ● ● D. ● ● d. show news and programs

1. Shenshen-B-a
2. Minmin-C-c
3. Xiaopu-A-b
4. Xiaojiang-D-d

Ⅲ. Listen and judge（老师正在介绍一些发明的历史。听一听这些说法对不对，对的写T，错的写F）
() 1. The wheel was invented to carry heavy things only.
() 2. Printing came before handwriting.
() 3. Traffic lights were created to make crossing roads much safer.
() 4. The television has changed how we play games.
() 5. Robots can do jobs that are hard or dangerous for humans.

1. F 2. F 3. T 4. F 5. T