Unit 4 The Internet Connects Us>Lesson 20 A Computer Helps!课件（共30张PPT）

课件30张PPT。Lesson 20
A Computer Helps!平泉四海中学 韩燕Easter n. 复活节Easter Bunny
复活节兔子Presentationsearch engine 搜索引擎laptop n. 笔记本电脑Think about it!1.Do you often search for the information on the Internet ? How?
2.What do you know about Easter ?
About EasterEaster is a spring holiday. It is a
Christmas holiday. It is always on a
Sunday in late March or early April. Symbols of EasterMany people have egg hunts and eat
chocolate rabbits. Rabbits, eggs and
flowers are symbols of new life.Read the lesson and answer T or F .1.Easter is the most important holiday in Western culture.( )
2.Easter falls on different days because of the sun. ( )
3.Chinese people celebrate the Spring Festival with their family and friends.( )FFT4.Easter is always in March or April.( )
5.Rabbits and eggs represent happiness and family get-togethers.( )
6.Western children think chocolate eggs are brought and hidden by the Easter Bunny.( )TFTRead the lesson and fill in the blanks.
Easter is an important _______. It does
not fall on the same day each year.
Children believe that the Easter Bunny
comes and ______ chocolate eggs for them
to find. Rabbits and eggs are both ______
of new life. That means Easter is a way to
welcome spring. Most people _________
Easter with their family and friends.festivalhidessymbolscelebrateRead the lesson again and fill in the
mind map.eat delicious
foodEaster When is it?It depends
on the moon.in March or AprilHow is it celebrated?with family
and friendsWhat is it?In Western cultureone of the
biggest holidaysan important
festivaleat chocolate
rabbitshave egg huntsCulture TipThe celebration of Easter is all about
new life. Christians celebrate new life at
Easter. Though the meaning of Easter
has changed over time, the rabbits and
eggs remain. Children use baskets to
collect coloured eggs when they go
hunting for Easter eggs. 1. I entered some key words into a search
engine to find information on this topic.
我在搜索引擎上输入一些关键词找到这
个话题的信息。
enter v. 输入；进入
e.g. Please enter your username.
请键入你的用户名Language pointskey n. 关键；钥匙
e.g. The weather holds the key to our
success or failure.
我们的成功或失败取决于天气。
She put the key in the lock and
turned it.
她把钥匙插入锁里转动。topic n. 话题
e.g. We are away from our topic. Let’s
get back to our discussion.
我们离题了，让咱们重新开始讨论
议题吧。search n. & v. 搜索；查找
e.g. How can we search out the right
man for the job?
我们怎样才能找到干这项工作的合
适人选呢？
The police at once began a search
from house to house for a criminal.
警方立刻开始按家搜索罪犯。【拓展】
search for是指“寻找（某人或某物）”。如：
For over 100 years, men have been
searching for gold in the hills.search sb. (sp.) for则是指“搜查某人或某处以寻找……”。如：
The police searched the city for the
thief.【运用】 根据汉语意思完成英语句子，每空一词。
(1) 村民们正帮着在树林里搜寻丢失的
孩子。
The villagers are helping to ________
the woods _____ the missing child.
(2) 我必须去找那些丢失的钱。
I must ________ _____ the lost
money. search
forsearch for(3) 警察搜了他的身，找到了丢失的钻
石。
The police ________ him and found
the lost diamond.searched2. The date depends on the moon, but it
is always in March or April.
这个日期取决于月亮，但总是在三月
或四月。
depend v. 依靠；取决于
depend on 意为“视……而定；取决
于”。 e.g. The plan depends on the weather.?
这个计划取决于天气情况。
It depends on where you want to go.
这取决于你想去哪。【拓展】
depend on还可意为“依靠；信赖”。
e.g. Don’t always depend on your
parents.
不要一直依赖父母。3. Children believe that the Easter
Bunny comes and hides chocolate
eggs for them to find.
孩子们相信复活节兔子为他们藏了巧
克力和蛋让他们找。
hide v. (hid/hidden) 隐藏；躲避
e.g. I’ll hide behind the door.
我会躲在门后。4.Though the meaning of Easter has changed over time , the rabbits and eggs remain .though conj. 虽然
e.g. Though she was tired , she was still working in the office .though 与 although 意思相同，通常可互换，但均不能but与连用，可与yet 连用。 5. … the meaning of …meaning n. 意思 意义
e.g. What’s the meaning of life ?meaningful adj. 有意义的
e.g. This is a meaningful experience . mean v. 意思是…...
mean to do sth 打算做某事
mean doing sth 意味着做某事常用句型：
What’s the meaning of …?
What do you mean by …?
What does … mean ?6.It’s one of the most biggest holidays in many countries .one of … …… 其中之一
Tom is one of ________________ ( 最好的学生）in our class . the best studentsHomeworkDo you know an important festival
in spring in China? Search for
some information and make a
mind map for it.