内容正文:
Unit 6 When was it invented?
Unit 6 课时1 Section A (1a-2d)
【学习目标】
1. 语言知识目标:
1) 能掌握以下单词: heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention
能掌握以下句型:
① —When was the telephone invented?
—I think it was invented in 1876.
② —What are they used for?
—They are used for seeing at night.
2) 能谈论物品被发明的时间、发明者,表达某发明的用途。
2. 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。
【教学重难点】
1. 教学重点:
1) 本课时的单词、词组和句型,学习运用一般过去时态的被动语态。
2) 学会询问发明时间及用途的基本句型:
—When was the telephone invented?
—I think it was invented in 1876.
—What are they used for?
—They are used for seeing at night.
2. 教学难点:
运用一般过去时态的被动语态来讨论发明的发明时间及用途。
【预习导学】
一、请根据中文意思写出下列重点单词。
1. 样式;款式 n._____
2.项目;工程 n._____
3.高兴;愉快 n. _____
4.日常的;每日的 adj. _____
5.网站 n. _____
6.先锋;先驱 n._____
7.列表;列清单 v. 名单;清单 n. _____
8.提到;说到 v._____
二、请认真阅读课本,找出下列重点短语。
9. 有特殊鞋跟的鞋子 ___________
10.热的冰激凌勺子 ___________
11.电动的 ___________
12.被用作_____
13.学校项目的课题_____
14.我们的日常生活_____
15.有道理_____
三、请用以上重点短语完成下列句子。
16.它们是用来做什么的?
What are they_____ _____ ?
17.我认为电视机是在汽车之后被发明的。
I think the TV _____ _____ _____ the car.
【探究提升】
知识点01 invented的用法
【课文详解】When was it invented?它是什么时候发明的
【句型剖析】…was invented …句意为“某物被发明……”,是被动句式。例如:
The abacus was invented in the sixteenth century by the Chinese.
算盘在十六世纪由中国人发明的。
Who was the light bulb invented by?灯泡是由谁发明的?
【拓展】
被动语态的结构是:主语+be done(及物动词的过去分词),be是随人称和时态变化而变化的。
(1)一般现在时的被动语态:am/ is/ are done 例如:
The blackboard is cleaned by the students every class.
黑板每节课都被学生擦干净。
(2)一般过去时的被动语态:was/ were done 例如:
The computer was invented last century.
电脑是上个世纪被发明的。
(3)一般将来时的被动语态:shall/will be done 例如:
A new school will be built in our village next year.
明年一所新的学校将在我们村庄建设。
(4)现在进行时的被动语态:am/is/are being done 例如:
A sports meeting is being held in our school now.
运动会正在我们学校举行。
(5)现在完成时的被动语态:have/has been done 例如:
All of the work has been finished since I came here.
自从我来这里以来,所有的工作都已经完成。
(6)含有情态