宝玛科技网
您的当前位置:首页正文

冀教版8年级英语下册第21课知识点总结

来源:宝玛科技网

有网友碰到这样的问题“冀教版8年级英语下册第21课知识点总结”。小编为您整理了以下解决方案,希望对您有帮助:

解决方案1:

冀教版8年级英语下册第21课知识点总结

一、重点句式

In ancient times, there were no books and people passed on their knowledge by telling stories.They wrote each word by hand.It took a long time to write just one book.With modern technology, it was possible to print books quickly.Keep on reading, an e-reader or a real book.Which invention do you think is more important -- the printing press or the Internet?

二、知识点详解

pass 动词

含义:传递;经过;通过(考试)

短语:pass on “传递”

例句:In ancient times, people passed on their knowledge by telling stories.(在古代,人们通过讲故事来传递知识。)

by hand

含义:用手;手工

相关短语:hand in hand “手拉手”;out of the hand “无法控制”

例句:They wrote each word by hand.(他们用手写每一个字。)

take 动词

含义(在此句中):花费

过去式:took

句型:It takes sb some time to do sth. “花费某人多长时间做某事”

拓展:其他表示“花费”的动词及用法

spend:人+spend time/money in doing sth. 或 人+spend time/money on sth.

cost:物+cost sb some money

pay:人+pay some money for sth.

例句:It took a long time to write just one book.(写一本书就花费了很长时间。)

possible 形容词

含义:可能的

反义词:impossible 形容词--不可能的

例句:With modern technology, it was possible to print books quickly.(有了现代技术,快速印刷书籍成为可能。)

keep on doing sth

含义:继续做某事

例句:Keep on reading, an e-reader or a real book.(无论是电子书还是纸质书,继续阅读吧。)

invent, invention, inventor

invent 动词:发明

invention 名词:发明(物)

inventor 名词:发明家

例句及拓展:

Which invention do you think is more important -- the printing press or the Internet?(你认为哪项发明更重要——印刷机还是互联网?)

拓展:了解历史上重要的发明及其发明家,如爱迪生(电灯)、贝尔(电话)等。

三、总结

本课主要围绕“书籍与电脑”这一主题,通过讲述古代与现代信息传递方式的差异,以及不同发明对人类社会的影响,引导学生思考科技进步的重要性。重点词汇和句型包括pass on、by hand、take(花费)、possible/impossible、keep on doing sth以及invent、invention、inventor等。通过学习本课,学生不仅能够掌握这些重点知识点,还能培养对科技进步的敏感度和思考能力。

显示全文