Lesson 23 The internet--good or bad？ 教案

Lesson
23
The
internet--good
or
bad？
教案
1教学目标
1.
能够掌握课标要求的“四会”词汇:advantage
simple
coin
cause
less
steal
2.
了解一些上网的利与弊。
2学情分析
很多学生太懒惰,不愿意记单词,词组和句型,不愿意做习题,课下作业抄袭情况严重。上课时注意力不集中,效率低下。课后也不能做到及时复习巩固,做题时不会正确运用。
3重点难点
1.
了解一些介绍网络使用的词汇:
connect
open
online
web
tool
2.
了解介绍网络使用的方法。
3.
掌握以下重点句子:
①People
are
able
to
connect
and
share
information
in
seconds.
②In
many
ways
it
makes
life
easier
and
simpler.
③Spending
too
much
time
online
is
harmful
to
people’s
health.
④The
Internet
can
be
a
useful
tool,
but
don’t
let
it
take
up
all
of
your
time.
4教学过程
活动1【练习】Step　1.　自主学习　自我检测
①_____________
n.
优势;有利条件;有利因素
→(反义词)
___________n.
缺点;不利因素
②simple
adj.__________
③___________
n.硬币
④_____________
adj.
adv.
(little
的比较级)更少的(地);更小的(地)
n
较少量;较小的部分
⑤aside
adv.
_____________
⑥________
v.
袭击;损伤
⑦web
n.
____________ ⑧_______
v.
(stole\stolen)偷盗;窃取
⑨banking
n.
____________ ⑩____________adv.
正确地
活动2【活动】Step2.合作探究
解决问题
Listen to the tape and answer the following answers:
①What are Li Ming and Wang Mei talking about
②Why does Wang Mei think the Internet is good
2.Read the lesson and Part I of “Let’s Do It” ,talk the answers with each other in the group.
3.Read the lesson again and try to find out the knowledge points together. Then talk them in the group.
活动3【讲授】Step
3.
精讲点拨
解疑释难
1. However, the Internet has advantages and disadvantages.
然而,互联网有有利因素,也有不利因素。
Advantage 此处为可数名词,意为“有利因素;优势;有利条件”
[考向一] disadvantage 是advantage 的反义词,dis-为否定前缀。
His poor eyesight was a disadvantage. 他的视力差是一个不利条件。
[考向二] take advantage of 利用
We should take advantage of every chance. 我们应该利用每一个机会。
[练习] There will be no ____________(有利因素) in getting there early.
2. In many ways it makes life easier and simpler. 在许多方面,它使生活更容易,更简单。
Simple →simpler →simplest 作形容词,意为“简单的;简朴的;朴素的”,其副词simply, 意为“简单地;简朴地;朴素地”
The machine is quite simple to use. 这台机器使用很简单。
Can you say it in simpler English 你能用更简单的英语说它吗
[练习] This book is written in ___________(简明的)English.
3. It may even cause them to be less social with family and friends. 它甚至可能造成他们与家人和朋友更少的交际。
⑴cause 此处作及物动词,意为“引起,造成”,其用法如下:
①cause 此处作为及物动词,意为“造成......,导致..........”
The cold caused his illness. 寒冷导致他生病了。
②cause sb. sth. 意为“给某人带来........”
I’m afraid of causing them trouble. 我怕给他们带来麻烦。
③cause sb.\sth, to do sth. 意为“导致某人或某物做某事”
The cold weather caused the plants to die. 寒冷的天气冻死了植物。
⑵cause 作可数名词,意为“起因;原因”;作不及物动词,意为“理由;缘故”
What was the cause of the fire 火灾的起因是什么
辨析cause和reason
Cause “起因;原因”,指直接导致事情发生的原因,与所发生的事有因果关系。
Smoking is one of the causes of heart disease. 吸烟是引起心脏病的原因之一。
Reason “理由;原因”,指对于某种情况或看法从逻辑推理上引出结论的“理由”。
Is there any reason why you can’t come 你有什么原因不能来
[练习] The _________(起因) of the fire is a cigarette end.
⑶less是形容词或副词little的比较级,此处做副词,意为“更少地”;用作形容词时, 常常用来修饰不可数名词。
I feel less hungry today. 我今天觉得不太饿。
This article is less difficult than that one. 这篇文章不比那篇难。
[练习] We have __________(更少的)trouble now than before.
3. Aside from that,
some people attack the web or use the Internet to steal others’ personal information,
even banking information.
除此之外,一些人还攻击网络或者利用互联网去窃取别人的个人信息。
⑴aside from 意为“除......之外(还有);除.......之外却”,后跟名词或代词,可与apart from 互换。
Aside from these two books, she wrote some plays. 除了这两本书外,她还写了一些剧本。
Aside from her nose, she is quite good-looking. 除了鼻子之外,她很好看。
[练习] ___________(除了)being fun and good exercise, swimming is also a very useful skill.
⑵steal (stole,
stolen) 此处作及物动词,意为“偷盗,窃取”,steal sth. from.......意为“ 为......偷某物”
He stole a necklace for her. 他给她偷了一条项链。
辨析steal和rob
Steal “偷盗;窃取”,指以隐蔽的方式偷取他人的钱财,其宾语是被窃取的物。
She stole a handbag from the shop. 她从店里偷了一个手提袋。
Rob “抢劫;偷窃”,是以公开的方式抢劫他人钱财,其宾语是受害者或场所,常用结构 rob sb. of sth.
The boy robbed an old woman. 这个男孩抢劫了一个老太太。
[练习] I had my wallet _________on the bus.
steal B.
stole C.
stealing D.
stolen
活动4【测试】Step
4.　达标检测　反馈矫正
一、根据汉语提示完成句子。
1. What about the other side of the _________(硬币)
2.A bad tooth can _________(引起) pain.
3.We should have a _________(更少的)but Better breakfast.
4.My purse was ___________(窃取) in the store.
二、单项选择。
( )
1.The thief _________ many things and he is in prison now.
A. Spent B. Robbed C.made D.stole
( )2.The world’s population is growing ____ and there is ______ land and water for growing rice.(湖北荆门)
A.more;
less B.larger;fewer C.larger;less D.more;less
( )
3.Danny drew a picture ________ and handed it in.
A.simple B.simpler C.simplest D.simply
活动5【讲授】Step　5.　巩固总结　
What
have
we
learned
today
Let
the
students
discuss
the
knowledge
points
in
the
group,
and
then
point
them
out
together:
1.
重点单词、短语
advantage
simple
less
cause
aside
steal
in
seconds;
far
away;
Every
coin
has
two
sides.
take
up
2.用于一些用于介绍上网情况的句式:
①It
opens
up
the
world
to
us.
②And
if
a
friend
lives
far
away
,the
Internet
makes
it
easy
to
stay
in
touch.
③It
may
even
cause
them
to
be
less
social
with
family
and
friends.
3.进一步巩固if引导的条件状语从句的用法。
活动6【讲授】板书设计
Lesson
23
The
Internet
---Good
or
Bad
Advantage
simple
coin
cause
less
steal
People
are
able
to
connect
and
share
information
in
seconds.’
In
many
ways
it
makes
life
easier
and
simpler.
Spending
too
much
time
online
is
harmful
to
people’s
health.
The
Internet
can
be
a
useful
tool,
but
don’t
let
it
take
up
all
of
your
time.
活动7【练习】作业
1.预习作业
预习Lesson
24
2.书面作业
完成课时练Lesson
23相关练习题