人教版必修2-Unit4-Wildlife-protection-Reading---Language points课件（41张ppt）

(共41张PPT)
Step
1
Leading-in
(3mins)
Review
what
we
learned
last
time.
1.
die
out
绝种,灭绝;
熄灭；
(风俗、习惯等)逐渐消失
die
off
(家族、种族等)相继死亡;
(草木)先后枯死
die
away
(声音,光线,风等)逐渐减弱；消失
die
down
(火、光线、兴奋、暴风雨等)渐弱，渐息；
(声音)
静下来
die
of
死于(疾病、衰老、饥饿、悲伤等)
die
from
死于(外界原因、粗心、不注意、劳累过度等)
死得……
渴望……，很想……
渴望做……，很想做……
不要气馁！不要灰心！
die
a
…
death
be
dying
for…
be
dying
to
do
…
Never
say
die!
2.
处于危险之中
脱离危险
处于混乱状态
in
danger
(of...)
out
of
danger
in
disorder
in
good
health
in
surprise
in
ruins
in
a
hurry
in
doubt
健康状况良好
惊讶地
成为废墟
匆忙地
怀疑
3.
respond
to
sb./sth.
回答/应；反应
(比
answer,
reply
to正式)
respond
to
sb./sth.
(with/
by
sth.)
用……回应某人(事)
in
response
to
作为对……的反应
4.
burst
out
laughing/burst
into
laughter
突然大笑了起来
5.
at
the
mercy
of
…
任由……的摆布
Step
2.
Thinking
(13mins)
1.
Read
the
language
points
loudly.
(5mins)
2.
Finish
the
exercises
by
yourself.
(5mins)
3.
Summarize
the
usages
of
the
following
words
and
phrases.
(3mins)
1.
certain
2.
…as
the
WWF
suggests.
3.
protect…from/against
4.
contain
5.
effect
6.
attention
7.
appreciate
Step
3
Discussing
(9mins)
1.
Discuss
your
answers
with
your
partners.
2.
Find
out
the
difficult
language
points
you
don’t
understand.
Step
4
Presenting
(8mins)
1.
Read
the
language
points
loudly.
2.
Present
the
answers
on
the
blackboard.
①
certain
2.
1)
③
As
time
goes
by;
2)
②
doing;
③
(should)
be
set
up;
④
was;
3.
present;
from
4.
1)
⑤
contains;
⑥
including;
⑦
contains;
2)
①
affected;
②
have
a
bad
effect
on;
5.
1)
②
pay
any
attention;
2)
④
we
really
appreciate
it;
Step
5
Explaining(9mins)
Language
points
1．
They
allowed
tourists
to
hunt
only
a
certain
number
of
animals
if
they
paid
the
farmers．
如果游客付给农民钱的话，他们允许游客猎取一定数量的动物。
_________
adj．确定的；某一；一定
_________
adv．当然；确定
_________
n．确定；必然的事
certain
certainly
certainty
certain
adj.
确定的；无疑的；某(种)
1)
作“某(种)”讲时，同义于
some。但
some
前不加冠词。
for
_________
reason＝for
______
reason
由于某种原因
2)
作“确信的，有把握的”讲时，同义于
sure。但是
certain
的主语既可以是人，也可用于It
is
certain
that...句型，而
sure
主语只能是人。
a
certain
some
(人)有把握/确信……(表示主语的信心)
be
certain/sure
to
do
sth.
必定/肯定会做某事
(主语常为二、三人称，表示说话人的信心)
弄清楚/确保……
for
certain/sure
确定地，确切地(做状语)
It
is
certain
that...
一定会……(不能用
sure)
be
certain/sure+
+that-clause
of/about
sth.
make
certain/sure＋
+that-clause
of/about
sth.
2.
It
shows
the
importance
of
wildlife
protection，but
I’d
like
to
help
as
the
WWF
suggests.
这体现了保护野生动植物的重要性，不过，我还是想按照世界野生生物基金会的建议来帮助你们。
1)
句中as
the
WWF
suggests是as引导的____________
从句，as意为___________
.
此外
as还可引导_______、______、______、________
状语从句。
“按照，正如
方式状语
原因
让步
比较
时间
①
You'd
better
do
____
the
boss
has
told
you
if
you
want
to
get
promoted．
如果你想升职,
你最好照着老板所说的做。
②
________________________________
(谚)
入乡随俗。
③
______________
(随着时间的流逝)，he
seems
to
become
more
and
more
confused.
As
time
goes
by,
as
When
in
Rome，do
as
the
Romans
do.
2)
suggest
vt.
提议；建议；
suggest
sth.
(one’s)
doing
sth.
that
sb
(should)
do
sth.
【特别提醒】
1.
当suggest做“表明……；暗示……”
从句要用陈述语气。e.g.
His
pale
face
suggested
that
he____(be)
ill,
so
his
mother
suggested
that
he
____________(go)
to
see
a
doctor.
was
(should)
go
2.
“do
you
suggest”做插入语与特殊疑问词连用时的
句式为
特殊疑问词+do
you
suggest+陈述句语序
①
Who
do
you
suggest
attend
the
meeting
to
be
held
next
week？
②
________
do
you
suggest
_________
there
to
work?
你认为应该派谁去哪儿工作？
be
sent
Who
3.
_____________________
保护……不受……（危害）
①
He
is
wearing
sunglasses
to
protect
his
eyes
from
the
strong
sunlight．
他戴着太阳镜以遮挡强烈的阳光。
②
You’d
better
put
on
gloves
to
protect
your
hands
from
(against)
the
cold．
你最好戴上手套保护你的手不受冻。
protect…
from/against
【归纳拓展】
阻止某人做……
defend...from/against...
保卫……以抵制……
keep
sb.
from
doing…
prevent/stop
sb.
(from)
doing…
被动语态
(sb.)
be
kept/prevent/stopped
from
doing…
提醒：其中的from不可省去
4．
It
contains
a
powerful
drug
which
affects
mosquitoes．
它含有一种强效的药物可以防止蚊虫叮咬。
1)
contain
vt.
包含；容纳(＝hold)；
抑制(＝control)
contain
oneself
克制/抑制自己
can’t
contain
oneself
不能自制，禁不住
【词义辨析】
contain/include
contain
意为“包含，含有，容纳，里面装有”，指的是包含的全部内容或容量，也可指里面所含的成分。其宾语与主语常是同位关系，不用于进行时态。
include
意为“包含；连……在内，计入，算入，包括”，只能用于表示所包含之物中的一部分，其后的宾语往往是主语的一部分。常用
“including＋被包括部分”或“被包括部分＋included”。如：
Many
people
like
tennis,
including
me/me
included.
许多人喜欢网球，也包括我。
用
contain和
include的适当形式填空。
①
The
Chinese
diet
is
considered
to
be
the
healthiest
in
the
world.
It
_________
a
lot
of
fruit
and
green
vegetables.
②
Everyone
took
part
in
the
fight
against
the
flood,
_________
old
people.
③
The
__________
can
______100
litres
of
water.
includes
including
container
contain
2)
affect
vt.影响；感动；(疾病)侵袭
be
greatly/deeply
affected　
很/深受感动
①
The
amount
of
rain
______
the
growth
of
crops.
降雨量直接影响庄稼生长。
②
The
audience
____________________
by
his
speech.
听众被他的演讲深深打动了。
were
deeply
affected
affects
【词义辨析】
affect/effect/influence
affect
vt.
“影响，感动，感染”。
effect
n.“结果，效果，作用，影响”，常用于词组：
_____________________
对……有影响
___________
开始实行；开始生效
________________
生效
________________
使……生效
________________
不起作用
________________
实际上
effect
vt.
使产生，
造成……(结果)
have
an
effect
on/upon
sb.
take
effect
come
into
effect
put…into
effect
of
no
effect
in
effect
influence
可做动词也可做名词，表示“影响、感染”的意思时，是指使思想、行为、性质或发展和成长等发生变化的影响。它可以指坏的影响，也可以指好的影响，这种影响常常是潜移默化的。
①
Probably
we
______________
each
other.
②
To
_________
a
policy
is
to
have
an
_________
on
it.
influenced
affect
effect
5．
You
should
pay
more
attention
to
the
rainforest
where
I
live
and
appreciate
how
the
animals
live
together．
你应该多关注我生活的热带雨林,并且应该了解热带雨林里的动物是如何共同生活的。
【句式分析】句中where
引导_______从句，how引导_______
从句。
定语
宾语
1)
________________
注意
Attention,
please!
请注意！
(演讲用语)
(＝May
I
have
your
attention,
please？)
attract/catch/draw/get
one's
attention
to…
吸引某人的注意
fix/focus/concentrate
one's
attention
on…
将注意力集中于
专心致志于
call
one's
attention
to…
唤起某人对……的注意
提示：以上短语中的
to、on都是介词，其后接名词、代词或动名词。
pay
attention
to…
devote
one's
attention
to…
①
She
_______________________
her
appearance.她很注重外表。
②
A
great
deal
of
attention
has
been
________
protecting
the
environment.
人们已对保护环境投入很多精力。
paid
much
attention
to
paid
to
2)
__________
vt.
欣赏；感激；喜欢
___________
n.
欣赏；感激
appreciate
sth.
(thank
sb.)
感激某事
appreciate
(one/one's)
doing
sth.
感激(某人)做某事
I
would
appreciate
it
if...
如果……，我将不胜感激。
appreciate
appreciation
1)He
highly
_____________________.
他非常感谢他的帮助。
2)We
shall
______________________
you
again.
我们将很高兴再次收到您的来信。
(3)I
really
_____________________to
the
party.
你能来参加这次聚会我太高兴了。
(4)I
would
_______________
you
could
help
me.
如果你能帮助我，我将不胜感激。
appreciated
his
help
appreciate
hearing
from
appreciate
your
coming
appreciate
it
if
Step6
Checking
(3mins)
1.
He
picked
up
an
envelope_________
50
dollars
in
it．
A.
containing
B.
contained
C.
which
contains
D.
which
was
contained
2.
Can
you
imagine
a
lazy
boy
like
Mike
succeeding
_________the
final
exam?
A.
in
passing
B.
to
pass
C.
passing
D.
at
passing
3.
一Did
you
enjoy
yourself
last
night?
一Yes
,
it’s
very
nice
of
you.
I
appreciated
_________
to
your
birthday
party．
A.
to
be
invited
B.
to
have
invited
C.
having
invited
D.
being
invited
4.
More
attention
should
be_____
equipment
in
our
factory
so
that
we
can
increase
our
production．
A.
paid
to
improving
B.
paid
to
improve
C.
taken
to
improve
D.
taken
to
improving
5.
Rainforests_______
and
burnt
at
such
a
speed
that
they
will
disappear
from
the
earth
in
the
near
future．
A.
cut
B.
are
cutting
C.
are
being
cut
D.
had
been
cut
6.
It
was
in
the
factory_________
I
worked
ten
years
ago
that
I
got
to
know
him．
A.
that
B.
where
C.
which
D.
when
7.
Eric
felt
the
bag
brought
back
by
his
parents
,
curious
to
know
what
it
______．
A.
collected
B.
contained
C.
included
D.
Saved
8.
It
is_____
to
swim_____
a
river
alone．
A.
dangerous;
in
B.
dangerous;
on
C.
danger;
in
D.
danger;
on
9.
The
health
of
quite
a
lot
of____
has
already____
by
heavy
drinking
of
beer．
A.
Germans;
affected
B.
Germans;
been
affected
C.
Germen；effected
D.
Germen；been
effected
10.
More
attention
should
be
______
to
your
handwriting．
A.
made
B.
taken
C.
played
D.
paid
11.Take
an
umbrella
to
____
you
from
the
rain
,
which
may
____
you
from
taking
a
walk．
A.
protect;
stop
B.
protect;
protect
C.
prevent;
protect
D.
prevent;
keep
12.You
should
teach
your
son
how
to
______
himself
from
fire．
A.
do
B.
care
C.
protect
D.
make
13.This
kind
of
medicine
has
a
bad
______
on
our
brains．
A.
affection
B.
affect
C.
effect
D.
result
Review
the
important
language
points
and
do
more
exercises.