Unit9 When was it invent? Period 1 导学案
知识点拨
be used for“被用来做……”，介词for表示目的和用途，后面接名词或动名词形式。例如：
Knives are used for cutting things. 刀子是用来切东西的。
拓展迁移
(1) be used for doing可以转换成 be used to do 的形式。注意used to do 是“过去常常”。例如：
Knives are used to cut things. 刀子是用来切东西的。
He used to walk to school, but now he goes to school by bus. 他以前步行去上学，但是现在坐公交车上学。
(2)含有be used的常用短语：
be used as“被用作……”，介词as（“作为”）后面一般接名词，强调使用的工具及手段。例如：
English is used as a second language in this country. 这个国家把英语作为第二语言。
be used by“被……使用”，介词by后面接动作的执行者。例如：
English is used by many people in the world. 世界上许多人使用英语。
自主学习
.识记并展示在学案上.
单词：计算器 拖鞋_______ 加热 ________后跟__________ 用勺舀 ________ 可调整的 电池 操作 用来作
1a 中五个发明的单词
【课前导练】
一. 根据括号内的要求改写句子。
1.They were invented by Julie Thompson. (改写否定句)
They ____________ ____________ by Julie Thompson.
2.Cai Lun invented paper.（改为被动语态）
Paper ____________ ___________ ____________ Cai Lun.
3.Some clothes were given away to charity by me.（改为一般疑问句，并作肯定回答）
_________ _________clothes given away to charity by ____________?
Yes, ____________ ____________.
4.The car was invented in 1885.( 对划线部分提问)
____________ ____________ the car invented?
5.We use it to scoop ice cream. (改写同义句)
___________ __________ __________scooping ice cream by us.
二. 用方框中所给词的适当形式填空。
give, play, popular, wake, be
1. Football____________ in most middle schools every day.
2. The alarm clock is also used for______me up on time in the morning.
3. The young man ____________ some advice by the pianist an hour ago.
4. Who do you think is ____________ boy in your class?
5. She ____________ an English teacher at this school since 1989.
II. 根据所给汉语完成英语句子，每空一词。
1.MP4可以用来听音乐和看电影。
The MP4 can ________ ______ for _______ to music and _______ the film.
2.在家我需要穿双拖鞋。
I need a ____________ ____________ ____________ to wear at home.
3.他正在用勺子舀出牛奶。
He’s ____________ the spoon ____________ ____________ out the milk.
