Unit 6 Section B 第4课时 3a～Self Check-【初中学霸创新题】2025-2026学年九年级全册英语同步教案(人教版)

课时

第4课时 Section B （3a~Self Check）

课型

新授课

教学目标

【语言知识目标】

1.能掌握下列词汇：

nearly, description, all of a sudden

2.能掌握以下句型：

(1)It is often difficult to decide on the inventor of certain inventions.

(2)Some inventions can also lead to other inventions all of a sudden.

【情感态度价值观目标】

了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界，养成勤于思考，善于发现的好习惯，培养学生的创造精神。

教学重点

1.用英语介绍某一发明的简要过程。

2.掌握本单元所学的词汇、句型及语法知识，并能进行综合练习运用。

教学难点

能运用本单元所学的语法及语言材料，用英语介绍某一发明的简要过程。

教学准备

设计并制作课文中所涉及的图片、教学幻灯片。

教  学

过  程

Step 1:Warming up

Review the important words and expressions in Section A and Section B.

Step 2:Work on 3a

Ask Ss to think of something that they don’t like to do. Then think of an invention that could help.

(Tip: It would be very easy for Ss to think about outrageous solutions for what they don’t like doing. Encourage them to think about practical solutions. This is not to say that they cannot think out of box. They just need to make sure that their recommended solutions do not involve the impossible.)

Step 3:Work on 3b

Suppose Ss are businessmen, ask them to write descriptions for their inventions.

Step 4:Writing

Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.

1. Tell Ss to write a description of your new invention. 

2. The following sentence structure may help you.