Lesson 21
Books or Computers?
Unit 4
The Internet Connects Us
Lesson 21
Books or Computers?
课前自主预习
课堂互动探究
Unit 4
The Internet Connects Us
单词闯关
1.press____________
2
．出现；呈现；来到
________→________(
反义词
)
3
．现代的；新式的
________→________(
反义词
)
4.
电子的
________
5
．卖；出售
________→________(
过去式
)
appear disappear
印刷机；新闻界
modern ancient
Lesson 21
Books or Computers?
electronic
课前自主预习
sell sold
短语
互译
1. printing press ____________
2. keep on ____________
3.
传递；前进
____________
4.
用手；手工
____________
5.
写下
____________
6.
成千上万的
____________
印刷机
继续
pass on
by hand
write down
thousands of
Lesson 21
Books or Computers?
句型在线
1.
后来，人们学会了如何写字和造纸。
Later, people learned ________ ________ write and make paper.
2.
仅写一本书就要花费很长的时间！
It ________ a long time ________ ________ just one book!
3.
对于普通人来说，读书也变得可能。
It was also ________ ________ common________ _______ books.
how to
took to write
possible for to read
Lesson 21
Books or Computers?
句型在线
4
．信息传播得更快、更远了。
Information travels ________ _______ _________
．
5.
不管你有什么，一台电脑、一部平板、一台笔记本电脑、一个电子阅读器或一本真正的书，坚持读书！
________ ________ what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on _______
faster and farther
No matter
reading
Lesson 21
Books or Computers?
词汇点睛
课堂互动探究
●
1
pass on
传递
[
观察
]
In ancient times, there were no books, and people passed on their knowledge by telling stories.
在古代，没有书，人们通过讲故事传递他们的知识。
Would you please pass on the message to Bruce?
请你给布鲁斯捎个口信好吗？
Lesson 21
Books or Computers?
[
探究
]
pass on
意为“传递”，与
pass
意思接近。
pass on sth. ________ sb.
意为“把某物递给某人”。
to
Lesson 21
Books or Computers?
活学活用
1
．根据汉语意思完成句子
你能把那本书递给我吗？
Can you ________ ________ that book ________ me?
pass on to
Lesson 21
Books or Computers?
●
2
keep on
继续
[
观察
]
No matter what you have, a computer, a tablet, a laptop, an
e-reader or a real book, keep on reading!
不管你有什么，一台电脑、一部平板、一台笔记本电脑、一个电子阅读器或一本真正的书，坚持读书！
词汇点睛
[
探究
]
keep on
意为“继续”，后接动词时，需用
________
，表示经过一段时间的间歇后“继续做同一件事”。
动名词
Lesson 21
Books or Computers?
[
拓展
]
keep sb. doing sth.
意为“让某人一直做某事”；
keep sb. from doing sth.
意为“阻止某人做某事”；
keep doing sth.
表示“继续
(
不断
)
做某事”，指无停顿或停顿较短。
Lesson 21
Books or Computers?
活学活用
2
．
I believe your dream will come true one day if you keep on
_______ hard from now on.
A. work
B. to work
C. working D. works
C
Lesson 21
Books or Computers?
●
It took a long time to write just one book!
仅写一本书就要花费很长的时间！
[
探究
]
“It takes/took some time to do sth.”
为固定句型，意为“花费
……(
时间
)
做某事”，
________
是形式主语， 真正的主语是后面的动词
________
，此句型常指“花费时间”，一般不用来指“花费金钱”。
句型透视
it
不定式
Lesson 21
Books or Computers?
[
拓展
]
常用的表示“花费”的句型：
(1)sb.
＋
spends
＋
money/time
＋
on sth./(in) doing sth.
(2)sb.
＋
pays
＋
money
＋
for sth.
(3)sth.
＋
costs
＋
sb.
＋
money
(4)It takes sb.
＋
time
＋
to do sth.
Lesson 21
Books or Computers?
活学活用
2017·
济宁
That one mistake almost ________ him his life.
A
．
took
B
．
paid
C
．
cost
D
．
spent
C
【
解析
】
这四个词均可表示“花费”，但用法不同：
take
的主语通常是
it,
常用于“
It takes sb.
＋时间
/
钱 ＋
to do sth.”
句型；
pay
的主语通常是人，一般和介词
for
搭配；
cost
的主语往往是物或某种活动；
spend
的主语通常是人，常用于句型“
sb.
＋
spends
＋时间
/
钱＋
(in)doing sth./on sth.”
。句子的主语“
That one mistake”
为物，故选
C
。
Lesson 21
Books or Computers?
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