Lesson 20
A Computer Helps!
Unit 4
The Internet Connects Us
Lesson 20
A Computer Helps!
课前自主预习
课堂互动探究
Unit 4
The Internet Connects Us
单词闯关
1.laptop________
2. Easter ________
3
.输入;进入
________
4
.钥匙
________→________(
复数
)
复活节
笔记本电脑
enter
Lesson 20
A Computer Helps!
key
keys
课前自主预习
单词闯关
5.
搜索;查找
________
6
.
topic________
7
.依靠;取决于
________
8
.隐藏;躲避
________→________(
过去式
)
话题
search
depend
hide hid
Lesson 20
A Computer Helps!
短语
互译
1. on the Internet ____________
2. depend on ____________
3. Easter Bunny ____________
4.
搜索引擎
____________
5.
用这种方式
____________
在因特网上
取决于
复活节兔子
search engine
in this way
Lesson 20
A Computer Helps!
句型在线
1.
我决定在因特网上做我所有的调查。
I ________ ________ ________ all of my research on the Internet.
2.
在许多国家,它是重大的节日之一。
It's ________ ________ the biggest ________ in many countries.
3.
兔子和彩蛋是新生活的象征。
Rabbits and eggs are ________ ________ new life.
decided to do
one of holidays
symbols of
Lesson 20
A Computer Helps!
词汇点睛
课堂互动探究
●
1
search n. &v.
搜索;查找
[
观察
]
Do you often search for information on the Internet?
你经常在网上搜集信息吗?
The police searched for clues in the area.
警察在这个地区查找线索。
Lesson 20
A Computer Helps!
[
探究
]
search
后接地点时,表示对某处进行搜查;其后接人时,指“搜身”。常用结构:
search
+地点+
for sb./sth.,
意为“在某地搜索某人
/
某物”;
search for
表示“
______________”
,指竭力想找到某人或某物。
寻找,搜寻,搜索
Lesson 20
A Computer Helps!
活学活用
1
.
What are you busy________ the Internet?
A. searching
B. to search for
C. searching for
D. searching for on
D
Lesson 20
A Computer Helps!
●
2
depend v.
依靠;取决于
[
观察
]
The date depends on the moon…
日期取决于月亮
……
Whether we can finish the task on time or not depends on the weather.
是否能按时完成这项任务取决于天气。
词汇点睛
Lesson 20
A Computer Helps!
[
探究
]
depend
常与介词
________
搭配,意为“依靠;依赖;取决于;随
……
而定”。例如:
You can't depend on your parents forever.
你不能永远依靠你的父母。
You can't depend on them to do it.
你不能指望他们做这件事。
on
Lesson 20
A Computer Helps!
活学活用
2
.
2017·
遵义
You'd better try to guess the meaning when you meet a
new word. Don't always ________ your dictionary.
A
.
keep on
B
.
depend on
C
.
decide on
B
【
解析
】
考查动词短语辨析。
keep on
意为
“
继续
”
;
depend on
意为
“
依靠
”
;
decide on
意为
“
决定
”
。句意:当你遇到生词时,你最好尽力猜它的意思,不要总是
________
你的词典。故选
B
。
Lesson 20
A Computer Helps!
●
3
enter v.
输入;进入
[
观察
]
I entered some key words into a search engine to find information on this topic.
我在搜索引擎里输入了一些关键词来寻找和这个话题有关的信息。
I saw him enter the kitchen just now.
刚才我看见他进了厨房。
词汇点睛
[
探究
]
enter
为及物动词,意为“输入;进入”。
enter
意为“
________”
时,相当于
go into
或
come into,
所以
enter________(
能
/
不能
)
与介词
into
连用。
进入
不能
Lesson 20
A Computer Helps!
活学活用
3.
根据汉语意思完成句子
请在这里输入你的名字。
Please ________ your name here.
enter
Lesson 20
A Computer Helps!
●
1
It's one of the biggest holidays in many countries.
在许多国家,它是重大的节日之一。
[
探究
]
“
one of
+
the
+形容词的
________ (
比较级
/
最高级
)
+可数名词
________(
单数
/
复数
)”
结构,表示“最
……
的
……
之一”,形容词后面的名词一定要用复数形式。
句型透视
最高级
复数
Lesson 20
A Computer Helps!
活学活用
1
.
2017·
北京
The hotel is very old. It's one of________ buildings in
the city.
A. old
B. older
C. oldest D. the oldest
D
Lesson 20
A Computer Helps!
●
2
Though the meaning of Easter has changed over time, the rabbits and eggs remain.
虽然随着时间的流逝复活节的意义已经改变了,但是兔子和彩蛋仍然存在。
[
探究
]
though
表示“虽然,尽管”,引导让步状语从句,和
although
通常可以互换,后者较为正式,两者均
________(
能
/
不能
)
与
but
连用,但可以和
yet
或
still
连用。
句型透视
不能
Lesson 20
A Computer Helps!
活学活用
2
.
2017·
泰州
—What do you think of my article, Mr. Andrew?
—Er…
,
it is wonderful________ there are some spelling mistakes.
A. since
B. though
C. if D. while
B
【
解析
】
考查连词词义辨析。由上文“很棒”和下文的“拼写错误”可知,应由
though
引导让步状语从句。故选
B
。
Lesson 20
A Computer Helps!