(共42张PPT)
高一必修
2
Unit
3
Computers
Language
points
情景导入
Do
you
know
the
keyboard
shortcuts?
情景导入
单独按Windows
显示或隐藏
“开始”功能表?
Windows+BREAK
显示“系统属性”
对话框?
Windows+D
显示桌面?
Windows+M
最小化所有窗口?
Windows+Shift+M
还原最小化的窗口?
Windows+E
开启“资源管理器”?
情景导入
Windows+F
查找文件或文件夹?
Windows+CTRL+
F
查找电脑
Windows+F1
显示
Windows
“帮助”?
Windows+R
开启“运行”
对话框?
Windows+U
开启
“公用程序管理器”
Windows+L
切换使用者(Windows
XP新功能)?
情景导入
Ctrl+Shift
输入法切换?
Ctrl+空格
中英文切换?
Ctrl+回车
QQ号中发送信息?
Ctrl+Home
光标快速移到文件头?
Ctrl+End
光标快速移到文件尾?
Ctrl+Esc
显示开始菜单?
Ctrl+Shift+<
快速缩小文字?
Ctrl+Shift+>
快速放大文字?
Ctrl+F5
在IE中强行刷新?
Ctrl+拖动文件
复制文件?
Ctrl+Backspace
启动\关闭输入法?
拖动文件时按住Ctrl+Shift
创建快捷方式
Ctrl+S
保存?
Ctrl+W
关闭程序?
Ctrl+N
新建?
Ctrl+O
打开?
Ctrl+Z
撤销?
Ctrl+F
查找?
Ctrl+X
剪切?
Ctrl+C
复制?
Ctrl+V
粘贴?
Ctrl+A
全选?
Ctrl+[
缩小文字?
Ctrl+]
放大文字?
Ctrl+B
粗体?
Ctrl+I
斜体
Ctrl+U
下划线?
学习目标
1.
学习重点单词并掌握其基本含义和用法。
2.
学习如何给出建议。
课前自主学习
再次阅读Reading部分,试着找出文中重点单词,并查阅其基本含义和用法。
单词
calculate
vt.
计算
universal
adj.
普遍的;通用的;宇宙的
simplify
vt.
简化
sum
n.
总数;算术题;金额
operator
n.
(电脑)操作员;接线员
logically
adv.
逻辑上;合逻辑地;有条理地
technology
n.
工艺;科技;技术
revolution
n.
革命
solve
vt.
解决;解答
reality
n.
真实;事实;现实
personally
adv.
就个人而言;亲自
total
adj.
总的;整个的
n.
总数;合计
application
n.
应用;用途;申请
finance
n.
金融;财经
单词
explore
vt.
&
vi.
探索;探测;探究
anyhow
adv.
(也作anyway)无论如何;即使如此
goal
n.
目标;目的;球门;(进球)得分
download
vt.
下载
virus
n.
病毒
signal
vi.
&
vt.
发信号
n.
信号
type
n.
类型
vt.
&
vi.
打字
arise
vi.
(arose,
arisen)出现;发生
electronic
adj.
电子的
appearance
n.
外观;外貌;出现
character
n.
性格;特点
mop
n.
拖把
vt.
用拖把拖;擦
niece
n.
侄女;甥女
新课讲解
Calculate
vt.
计算calculator
n.
计算器
Can
you
calculate
the
cost
of
the
bridge.
新课讲解
2.
Universal
adj.普遍的;通用的
Please
remember
the
universal
rules.
universe
n.
宇宙;世界;全人类
The
earth
is
a
small
part
of
the
universe.
新课讲解
3.Simplify
vt.简化
You
should
simplify
it
to
make
it
easier
to
understand.
新课讲解
4.logical
adj.
合逻辑的;合情理的
a
logical
thinker
有逻辑的人
a
logical
process
合理的程序
logically
adv.
逻辑上,有条理地
新课讲解
5.
Technology
n.
技术,
工艺
The
advances
in
computer
technology.
新课讲解
6.Artificial
adj.
人造的;假的
Artificial
flowers
新课讲解
7.intelligence
n.
智力;聪明
intelligent
adj.智能的,聪明的
You
should
pass
the
intelligence
text.
新课讲解
8.solve
vt.
解答,解决
Even
the
greatest
scholar
cannot
solve
this
difficult
problem.
新课讲解
9.from…on
从……时起
From
then
on,
he
lived
in
the
small
village
with
his
wife.
新课讲解
10.
As
a
result
结果
He
didn’t
work
hard,
as
a
result,
he
failed
the
exam.
新课讲解
11.
so…that…如此……以至于……
that从句表示结果,可与too…to结构互相转换。So…
that结构用于句首时,句子用倒装结构。
He
is
so
old
that
he
can’t
carry
the
box.=He
is
too
old
to
carry
the
box.
So
hard
does
she
work
that
she
seldom
goes
home.
新课讲解
12.Explore
vt&vi.探索,探测,探究
As
a
student,
we
should
explore
the
knowledge
in
the
book.
新课讲解
13.
Anyhow
adv.无论如何
Anyhow
,
you
should
tell
him
the
truth.
14.Goal
n.
目标;目的;球门
At
last,
he
achieved
his
goal.
重点解析
15.
application
n.应用;用途;申请
归纳拓展
(1)make
an
application
to
sb.
for
sth.向某人申请某物
(2)apply
v.
申请;应用
apply
for
申请;请求
apply
oneself
to
致力于;集中精力于
apply
to
适用于;运用于
(3)applicant
n.
申请者
①The
nurse
applied
some
medicine
to
his
burn.
护士在他的烧伤处上了点药。
②He
applied
himself
to
his
new
job.
他努力干好新的工作。
实例分析
重点解析
2.
anyhow
adv.无论如何;即使如此;
(1)anyhow
用于肯定句时,意思与anyway相近,意为“无论如何;不管怎样;反正”。用于否定句时,意为“无论如何(也不……)”。其位置比较灵活,可以置于句首、句中或者句末。
(2)somehow
adv.以某种方式;用某种方法;不知为什么
归纳拓展
①It
doesn't
make
much
difference
because
we
are
going
to
be
late
anyway.
这没多大关系,因为反正我们要迟到了。
②We
must
get
the
work
finished
somehow
by
tomorrow
morning.
我们必须设法在明天早上以前把工作做完。
实例分析
重点解析
3.
arise
vi.出现;发生;产生;起床;起身
arise
from/out
of
由……而引起;由……而产生;
arise作“呈现;出现;发生”之意时,主语多为抽象名词
argument/problem/quarrel/question/movement等
(arise-arose-arisen)
归纳拓展
写出下列句中arise的含义
①Seeing
his
mother
return
home,the
boy
arose
from
his
chair
immediately.
②New
problems
will
arise
one
after
another
in
future.
③They
arose
at
sunrise
to
get
an
early
start
to
the
park.
起身
出现
起床
一词多义
1.A
new
difficulty
has
arisen.
新的困难出现了。
2.As
we
all
know,car
accidents
arise
from
carelessness.
众所周知,交通事故是由于粗心大意而产生的。
实例分析
新课讲解
重点句型分析
I
developed
very
slowly
and
it
took
nearly
two
hundred
years
before
I
was
built
as
an
analytical
machine
by
Charles
Babbage.
It+be/动词+时间段+before结构,意为“在……之后,才……”
It
was
3
hours
before
we
arrived
here.
课堂小结
Calculate
vt.
计算
Universal
adj.
普遍的;通用的
Simplify
vt.
简化
Logical
adj.
合逻辑的;合情理的
Technology
n.
技术,
工艺
课堂小结
Artificial
adj.
人造的;假的
Intelligence
n.
智力;聪明
Solve
vt.
解答,解决
from…on
从……时起
As
a
result
结果
短语
from…on
从……时起
as
a
result
结果
so…that…
如此……以致于……
in
a
way
在某种程度上
with
the
help
of
在……的帮助下
deal
with
处理;安排;对付
watch
over
看守;监视
重点解析
归纳拓展
1.
as
a
result
结果;因此
(1)result
n.结果
as
a
result
of
由于;因为
(2)result
vi.
发生;产生
result
from
是由……造成的
result
in/lead
to
导致;造成
①He
didn't
get
up
on
time
today
as
a
result
of
staying
up
too
late
last
night.
他今天没有按时起床,原因是昨晚熬夜熬得太晚了。
②His
failure
resulted
from
his
carelessness.
他的失败是由于他的粗心造成的。
③His
carelessness
resulted
in
his
failure.
他的粗心导致了他的失败。
实例分析
重点解析
归纳拓展
2.
in
a
way
在某种程度上;就某一方面
in
this
way 用这种方式/法
by
way
of
经由;途经
in
the
way
妨碍;挡路
in
no
way
决不;都不(放在句首,用部分倒装语序)
on
the
way
在途中
on
one's/the
way
to...
在某人去……的途中;即将成为……
all
the
way
一路上;沿路;自始至终
by
the
way
顺便说;附带说说
(相当于in
one
way/in
some
way)
①Don't
play
football
in
the
street
and
you
are
in
the
way.
别在街道上踢足球,阻碍交通。
②We
were
just
on
the
way
when
it
began
to
rain.
我们正在路上,这时天开始下雨了。
实例分析
重点解析
归纳拓展
3.
with
the
help
of(=with
one's
help)在……的帮助下
help
sb.out 帮助某人摆脱困境
help
sb.with
sth.
在某方面帮助某人
help(to)do
sth.
帮着做某事
help
oneself(to)
自用;自行取用
can't
help
doing
sth.
禁不住做某事
①I
can't
work
out
this
math
problem,please
help
me
out.
我做不出这道数学题,请帮我一下。
②When
she
heard
the
funny
story,she
could
not
help
laughing.
当她听到这个滑稽的故事时,她不禁笑了。
实例分析
短语集训
Ⅱ.完成句子
1.现在有这台电脑帮忙,我们就能降低生产成本了。
Now
we
can
reduce
the
production
costs
_______________________.
2.孩子们从座位上站起来向国旗敬礼。
The
children___________________to
salute
the
flag.
3.理论决不能脱离实践。
_____________theory
be
separated
from
practice.
4.结果他们拯救了森林里90%的树木。
_____________,they
saved
90%
of
the
trees
in
the
forest.
with
the
help
of
the
computer
arose
from
their
seats
In
no
way
can
As
a
result
单词
短语
课堂小结
1.
application
n.应用;用途;申请
2.
anyhow
adv.无论如何;即使如此;
3.
arise
vi.出现;发生;产生;起床;起身
1.
as
a
result
结果;因此
2.
in
a
way
在某种程度上;就某一方面
3.
with
the
help
of在……的帮助下