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课件网) Section 2 Grammar Unit 4 Inventions 沪教版2024英语（八年级上） 学习目标 I can identify important inventions in history. talk about some interesting inventions in our daily lives. describe my ideas for a new invention. understand the features of great inventions. 01 新 课 导 入 03 应 用 实 践 06 回 顾 总 结 07 随 堂 小 练 02 学 习 理 解 04 迁 移 创 新 05 考 点 速 递 学习内容 新课导入 1 写出下列形容词的比较级和最高级。 1. hot _____ _____ 2. busy _____ _____ 3. new_____ _____ 4. wide _____ _____ 3. slowly_____ _____ 4. comfortable _____ _____ hotter; the hottest busier; the busiest thinner; the thinnest wider; the widest more slowly; the most slowly more comfortable; the most comfortable Review the rules Look and say! How do these inventions change our life Great inventions We can use the words we have learnt in page 52-53 to help you! pay attention to using the degrees of adjectives. Greatest faster more comfortable Look and say! How do these inventions change our life The wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. The wheel The telephone keep in touch with, more quickly, more convenient . over longer distance How do these inventions change our life The telephone can keep in touch with each other more quickly and convenient, and they can speak over longer distance. How do these inventions change our life the bulb practical do many things as …as The bulb is a very practical invention. we can do as many things in the evenings as we can in the daytime. How do these inventions change our life The computer find information, more quickly, easily, more fun The computer is a useful invention, we can find our information more quickly and easily, it can give us more fun. 学习理解 02 Some comparative and superlative adjectives are irregular. Read the passage and pay attention to the words in bold. A good, bad and far Many inventions make people’s lives better. For example, the invention of the wheel allowed people to travel farther distances. However, there are bad inventions too. A magazine once picked the top ten worst inventions in human history, such as cigarettes and plastic bags. Many people think these inventions make the world a worse place to live in. Adjective Comparative adjectives Superlative adjectives good better best bad worse worst far farther / further farthest / furthest Early computers were as big as a room. With electric lights, people can do as many things in the evenings as they can in the daytime. A candle does not produce as much light as a light bulb. B (not) as … as We use (not) as … as to say that things or people are (not) equal in some way. Read the sentences below and pay attention to the words in bold. Let’s sum up the rules! We use (not) as … as with the base form of adjectives to compare things and people. We use (not) as … as with many + the plural form of a countable noun or muc ... ...
