八年级冀教版(Book 4)Unit 6 Lesson 43学案
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Lesson 43学案
一、重点词汇
Machine, which
二、重点句型
1)The printing press is a machine that can make lots of books in a
short time.
2)Before the printing press, books were written by hand.
3)Information began to travel much faster and much faster.
三、重点句子解析
1.The printing press is a machine that can make lots of books in a
short time.印刷机是一种能在短时间内印出许多书的机器。
【巧解句构】整句话是给印刷机下定义,是一个含有定语从句的复合句。
that call make lots of books in a short time是一个定语从句,用来修饰和限定a
machine。that在从句中做主语。
【要点剖析】1)lots of=a lot of可以修饰不可数名词(= much),也可以修饰可数名词的复数(=
many)。意思都译为“许多”。
2)in a short time= in a moment
2.Before the printing press, books were written by hand.
在有印刷机以前,书是用手写成的。
【巧解句构】written是动词write的过去分词。此句是一般过去时的被动语态。被动语态的结构是:be+过去分词。be动词随时态变化而改变形式。
3.If you forgot something, you could look it up.
如果你忘记了一些事情,你可以查书。
【巧解句构】if意为“如果”,引导条件状语从句。if引导的条件状语从句常用一般现在时态表示将来,主句用一般将来时态或含有情态动词。
【要点剖析】look
up是动副短语,表示“(在书、字典里)查找”,当宾语是名词时,可以放在两词的中间,也可以放在两词的后面;当宾语是代词时,必须放在两词的中间。
四、同步练习
I. 英汉互译
1.一台印刷机______________________
2.手工____________________________
3.快得很和远得很_______________________
4.a few minutes__________________________
5.on the Internet_________________________
6.make him happy_______________________
II. 根据句意及首字母提示补全单词
1.Don’t touch the m________ of computer with your hand.
2.A piano has black and white k________.
3.Look, the man is e________ the second room.
4.The cat caught two m________.
5.Please t________ in your e-mail address on the computer.
III. 根据提示写出电脑各部件的名称
1.________
2.________
3.________
4.________
5.________
6.________
7.________
I. 1.a printing press 2.by hand 3.much faster and much farther
4.几分钟 5.在互联网上 6.使他快乐
II. 1.monitor 2.keys 3.entering 4.mice 5.type
III. 1.Monitor 2.Screen 3.Keyboard 4.Space Bar 5.Shift 6.Enter
7.Mouse