2021-2022学年人教版高中英语必修四 Unit 2 Working the land Warming up and Reading 课件 （39张））

(共39张PPT)
Unit
2
Working
the
land
Warming
up
Farmers
weeding
at
noon,
Sweat
down
the
field
soon.
Who
knows
food
on
a
tray,
Due
to
their
toiling
day.
Can
you
name
these
food?
wheat
sorghum
rice
corn
Potatoes
Staple
food
主食
What
is
the
main
food
in
all
East
Asian
and
Southeast
Asian
countries?
Rice.
It
is
said
that
there
are
2.4
billion
people
eating
rice
every
day
throughout
the
world.
plow
the
field
grow
some
young
plants
insert
the
young
plants
into
the
field
Fertilize(施肥)
harvest
rice
If
there
was
no
rice
one
day,
what
would
happen?
Father
of
Hybrid
Rice
A
Pioneer
For
All
People
Task
1
Scanning
Find
out
the
main
idea
of
each
paragraph.
A
PIONEER
FOR
ALL
PEOPLE
Match
the
following
headings
with
the
right
paragraphs.
Para.1
Para.2
Para.3
Para.4
Dr.
Yuan’s
dreams.
Dr.
Yuan’s
personality.
Dr.
Yuan’s
appearance
and
his
achievements.
Dr.
Yuan’s
brief
life
experience.
Para.
1
Dr
Yuan’s
appearance
and
his
achievement
Task
2
Careful
reading
Q1:
What
does
Dr
Yuan
look
like?
He
has
a
sunburnt
face
and
arms
and
a
slim,
strong
body.
He
is
more
like
a
farmer
than
a
scientist.(Line
2)
Q2:
What
is
his
achievement?
He
grows
what
is
called
super
hybrid
rice,
which
makes
it
possible
to
produce
one-third
more
of
the
crop
in
the
same
fields.
(Line
4,7
)
Para
2
His
life
experience
information
Born
in
Beijing
Graduated
from
Southwest
Agricultural
College
Saw
the
great
need
for
increasing
the
rice
output
Hunger
was
a
disturbing
problem
Nearly
200
million
tons
of
rice
produced
Circulating
his
knowledge
1953
1930
Time
As
a
young
man
now
In
a
recent
harvest
Which
of
the
following
description
about
Dr
Yuan’s
personality
is
not
true?
He
is
satisfied
with
his
life
because
he
is
now
rich
and
famous.
B.
He
cares
little
about
money
and
fame(名望).
C.
He
would
rather
work
than
lead
a
comfortable
life.
D.
He
enjoys
a
simpler
life
than
most
rich
and
famous
people.
Para.
3
Dr
Yuan’s
personality
His
dreams
Para．4
1)
The
first
dream
2)
The
second
dream
Produce
a
kind
of
rice
that
could
feed
more
people（Line
34）
As
huge
as
a
peanut
The
first
dream
As
tall
as
sorghum
As
big
as
a
corn
To
export
his
rice
so
that
it
can
be
grown
all
over
the
globe(Line
35)
The
second
dream
If
you
had
the
chance
to
do
something
to
help
end
hunger
in
the
world,
what
would
you
do
?
Discussion
The
measures
taken
to
deal
with
hunger
Invent
a
new
kind
of
plant
to
produce
more
food.
Find
a
sort
of
fertilizer(肥料)to
give
rice
enough
nutrition(营养).
Control(控制)
the
pollution
and
protect
the
soil
in
the
field.
…
etc.
Language
Points
1.
work
vt.
耕种(土地);
使工作;
开动;
创造(奇迹);
经营(工厂、农场等)
vi.
工作;
(机器等)开动;
(办法、计划等)行得通
work
the
land=grow
crops
on
it
耕耘土地　
He
works
a
big
farm.
They
are
working
the
land
together.
I
don’t
think
that
your
suggestion
will
work.
(
经营)
(耕地）
（奏效）
2.
…whom
he
has
struggled
for
the
past
decades.
struggle
v.
“斗争;
拼搏;
努力”
He
has
struggled
with
sickness
for
a
few
months.
数月来他一直在与疾病作斗争。
They
were
poor
and
had
to
struggle
for
a
living.
他们很穷,
必须为生活而努力。
He
struggled
with
the
thief.
他同小偷进行了搏斗。
He
struggled
to
control
his
temper.?
他努力控制住自己的脾气。
2.
…whom
he
has
struggled
for
the
past
decades.
struggle
v.
“斗争;
拼搏;
努力”
He
has
struggled
with
sickness
for
a
few
months.
数月来他一直在与疾病作斗争。
They
were
poor
and
had
to
struggle
for
a
living.
他们很穷,
必须为生活而努力。
He
struggled
with
the
thief.
他同小偷进行了搏斗。
He
struggled
to
control
his
temper.?
他努力控制住自己的脾气。
1)
struggle还可用作名词,
表示“奋斗;
努力”等。
In
1862
the
American
slaves
won
their
struggle
for
freedom.
1862年美国黑奴赢得了为自由而进行的斗争的胜利。
2)常见搭配:
struggle
for
为……而斗争
struggle
against
向……做斗争;
同……搏斗
struggle
on
拼命活下去;
继续努力
struggle
to
one’s
feet
挣扎着站起来
2.
This
special
strain
of
rice
makes
it
possible
to
produce
one-third
more
of
the
crop
in
the
same
fields.
这种特殊的稻种使得同样的田地多收获
三分之一的产量。
it
在句中作形式宾语,
真正的宾语为to
produce…,
结构为:
动词(make,
feel,
think,
regard…)+it
+adj+
to
do.
e.g.
We
think
it
important
to
learn
English
well.
根据句意,
用适当的介词或副词填空。
They
had
to
struggle
____
their
lives
_______
weather
and
wild
animals
in
that
area.
(2)
In
order
to
protect
the
environment,
we
should
struggle
_______
all
kinds
of
pollution.
(3)
He
agreed
to
struggle
____,
though
he
was
hoping
to
retire.
(4)
After
a
few
minutes,
the
young
man
struggled
___
his
feet,
glaring
at
the
enemy.
for
against
against
on
to
3.
Thanks
to
his
research,
the
UN
has
more
tools
in
the
battle
to
rid
the
world
of
hunger.
1)
thanks
to:
幸亏/由于
Thanks
to
your
help,
I
passed
the
exam.
because
of,
thanks
to,
as
a
result
of
表示“由于”时的用法区别:
▲because
of
意为“因为,
由于”,
普通用语,
比其他短语更口语化;
构成的短语在句子中
通常作状语,
后面可接名词、代词、分词或
what引导的名词性从句等。如：
Johnson
is
likely
to
miss
the
match
because
of
his
back
injury.
Because
of
his
wife’s
being
there,
I
said
nothing
about
it.
▲thanks
to
“由于或因为某人(某事)”，
通常用于好的方面,
译为“多亏”,
但
有时作反语;
引导的介词短语可置于
句首或句末。如：
The
play
succeeded
thanks
to
fine
acting
by
all
the
actors
and
actresses.
??
Thanks
to
your
help,
we
were
successful.
Thanks
to
the
bad
weather,
the
match
had
been
cancelled.
▲as
a
result
“因此,结果”,常用在有上下
文(表原因)的情况下。?as
a
result
of
…
“由于……的结果”,
可置于句首或句末。
e.g.
He
had
some
bad
fish.
As
a
result,
he
didn’t
feel
well
this
morning.
As
a
result
of
the
flood,
thousands
of
people
lost
their
homes.
4.
He
would
much
rather
keep
time
for
his
hobbies.
would
rather:
宁可;
宁愿
would
rather
do
sth.
They
would
rather
go
fishing
than
stay
at
home.?
他们宁愿去钓鱼,
也不愿待在家里。
I
would
rather
fail
than
cheat
in
the
examination.?
我宁愿考不及格,
也不愿意考试作弊。
[用法1]:
would
rather…than…
宁愿…
而不…,
与其…不如…
I
would
rather
watch
TV
at
home
than
go
to
the
cinema.
[用法2]:
would
rather
have
done
sth.
表示主语要做某事,
而结果却事与愿违。
I’d
rather
have
left
a
note
on
her
desk.
我本想留张字条在她的书桌上。
(事实上没有)
[用法3]:
would
…
rather
than…
=would
rather…than…
Facing
the
enemies,
our
soldiers
would
die
rather
than
surrender.
面对敌人,
我们的战士宁死不屈。
Rather
than
refuse
to
help
you,
I
would
borrow
money
from
my
friends.
我宁可向朋友借钱,
也不愿拒绝帮助你。
[用法4]:
would
rather后面也可跟从句
表示主语宁愿某人做某事。这时,
从句
谓语应用虚拟语气,
即用一般过去时表示
现在或将来要做的事;
用过去完成时
表示已经做过的事或过去要做的事。
I’d
rather
you
hadn’t
told
him
the
news
that
day.
[高考链接]
---Shall
we
go
skating
or
stay
at
home?
---Which
____
do
yourself
?
(05
全国)
do
you
rather
B.
would
you
rather
C.
will
you
rather
D.
should
you
rather
答案B
would
rather
do
sth.
更喜欢做…
Homework
Review
what
you
have
learned
in
the
class
and
improve
reading
skills.
Reread
the
passage
and
think
about
what
can
we
learn
from
Yuan
Longping.
Thank
you!