北师大版（2019）必修二：Unit 5 Humans and nature 单元复习 课件（30张ppt）

(共30张PPT)
Unit
5
Humans
and
nature
1．escape
vi.&vt.逃离；逃避(教材P30)
[合作探究]　体会escape的用法和意义
The
satellite
is
always
escaping
from/out
of
the
earth
only
to
be
pulled
back
the
same
distance
it
has
escaped
by
gravity.卫星总是要飞离地球，而结果却被地球引力拉了回来，拉回的距离与飞出的距离相同。
He
was
lucky
to
escape
being
punished.他幸运地逃脱了惩罚。
They
had
a
narrow
escape
when
a
car
crashed
into
their
car.
当一辆轿车撞上他们的车时，他们死里逃生。
[自主发现]　
①escape
____________...　逃离……
②escape
(doing)
sth
避免(做)某事
[词块积累]
have
a
narrow
escape九死一生
[巩固内化]　完成句子
①He
_________________(企图逃跑)，which
was
found
impossible
at
last.
from/out
of
tried
to
escape
②They
went
to
the
mountains
________________________
(避暑)．
③He
____________________________
(从燃烧的汽车里逃了出来)
when
the
accident
occurred.
to
escape
the
summer
heat
escaped
from
the
burning
car
2．survive
vi.&vt.活下来；幸存(教材P30)
　survivor
n.
幸存者　survival
n．[U]幸存；[C]残存物
[合作探究]　体会survive的用法和意义
Sadly,
it
is
very
difficult
for
giant
pandas
to
survive
in
the
wild.
令人沮丧的是，大熊猫在野外很难活下来。
Life
isn’t
about
how
to
survive
the
storm;
it’s
about
learning
to
dance
in
the
rain.
生活不在于如何从暴风雨中幸存，而在于学会在雨中跳舞。
If
he
couldn’t
find
his
way
out
of
the
forest,
there
would
be
little
chance
of
survival.
如果他找不到走出森林的路，他生存的可能性很小。
As
far
as
I
know,
the
old
woman
survived
her
husband
by
ten
years.
据我所知，这位老太太比她丈夫多活了十年。
[自主发现]
A
survive
B
____________
...　　A比B活得长……
[名师提醒]　survive
表示“幸免于难”时，是及物动词，其后不需要加介词in或from。
[巩固内化]
单句语法填空/完成句子
①The
____________
of
the
earthquake
often
talks
about
his
____________．(survive)
by
survivor
survival
④He
____________________________
(比他妻子多活了两年)．
②________________________________
(幸存者被紧急送进医院)
after
the
car
crash.
③They
did
not
know
how
they
could
____________________________
(挨过这个寒冷之夜)．
Survivors
were
rushed
to
hospital
survive
the
cold
night
survived
his
wife
by
two
years
3．frightened
adj.受惊的；害怕的　frighten
v.
使惊吓；吓唬　frightening
adj.令人恐惧的
The
moment
I
heard
the
word
I
became
very
frightened.(教材P31)
我一听到这个词就非常害怕。
[合作探究]　体会frightened的用法和意义
A
cry
came
from
the
frightened
child.哭声来自受惊的孩子。
She
was
frightened
at
what
she
saw.她对看到的事情感到恐惧。
She
was
frightened
of
falling
into
the
swimming
pool.她害怕掉进游泳池。
I
am
frightened
to
go
out
alone
at
night.我不敢晚上一个人出去。
[自主发现]
①be
frightened
____________　对……感到恐惧
②be
frightened
____________
doing
sth
害怕做某事
③be
frightened
____________
sth
不敢做某事
at
of
to
do
[巩固内化]　完成句子
①I
________________
the
sight
of
the
snake.
看到那条蛇时我被吓坏了。
②I
________________________________
barks
of
the
fierce
dog.
听到那只凶猛的狗的叫声我吓坏了。
③He
________________________________
from
the
top
of
the
tall
building.
他不敢从那座高楼顶上往下看。
was
frightened
at
was
frightened
of
hearing
was
frightened
to
look
down
4.curious
adj.好奇的　curiosity
n.
好奇；好奇心
After
a
while,
I
became
curious
about
the
whirlpool
itself.(教材P31)
过了一会儿，我对漩涡本身产生了好奇。
[合作探究]　体会curious的用法和意义
If
a
boy
is
curious,
he
is
always
asking
questions.
一个好奇的孩子总是要不断地提出问题。
The
boy
is
curious
about
everything.这个男孩对任何事情都很好奇。
She
is
curious
to
know
what
happens.她好奇地要知道发生了什么事。
[自主发现]
①be
curious
____________　对……感到好奇
②be
curious
____________...
好奇做……
[巩固内化]　单句语法填空
①As
a
little
boy,
he
was
curious
____________
the
origin
of
mankind.
②He’s
curious____________
(know)
what
she
said.
③____________(curious)
drove
him
into
the
cave
to
see
what
happened.
about
to
do
about
to
know
Curiosity
5．equal
adj.相等的；相同的
n．同等的人；相等物　equality
n．平等，相等
...the
second,
between
two
objects
of
equal
extent，round
objects
fell
down
less
rapidly...(教材P31)
……第二，在两个相同大小的物体之间，圆形物体下降得不太快……
[合作探究]　体会equal的用法和意义
Not
all
men
are
equal
in
ability.人的能力不全一样。
I’m
not
equal
to
(doing)
the
task.我不能胜任这项任务。
He
is
my
equal
in
strength.他和我力气一样大。
No
one
equals
him
in
spelling.在拼写方面，无人能和他相比。
[自主发现]
①be
equal
____________
(doing)
sth
能胜任(做)某事
②be
equal
in
sth
在某方面相同
③equal
sb
____________
在某方面与某人匹配
[思考]　表示“胜任……”的其他常见表达还有哪些？
①____________　②____________　③____________
to
in
be
up
to
be
fit
for
be
qualified
for
[巩固内化]
(1)单句语法填空
①A
pound
is
roughly
equal
____________
500
grams.
②He
doesn’t
seem
equal
to
____________
(do)
the
task.
③Two
plus
two
____________
(equal)
four.
(2)同义句转换
④The
manager
isn’t
fit
for
his
position.
→The
manager
isn’t
____________
his
position.
⑤Twice
three
equals
six.
→Twice
three
____________
six.
to
doing
equals
equal
to
is
equal
to
pick
up捡起；学会；结识；用车接；好转；恢复；收听；购买
In
the
end,
a
boat
picked
me
up.(教材P31)最后，一艘船把我救了起来。
[短语记牢]　记牢下列短语
pick
out挑出，辨别出
pick
one’s
pocket
扒窃
pick
on
sb
对某人刁难挑剔
①He
has
picked
up
slowly
since
he
came
out
of
hospital.
他自出院以来，身体慢慢地康复了。
②He
gets
picked
on
by
the
other
boys
because
he’s
so
small.
他因为个子小受到其他男孩子的欺负。
③She
was
picked
out
for
the
job.
她被挑选出来做这份工作。
[巩固内化]
写出下列句中pick
up的含义
①I
was
able
to
pick
you
up
on
the
short
wave
radio.____________
②I’ll
pick
you
up
at
the
school
gate.____________
③He
picked
up
the
book
from
the
floor.____________
④The
children
have
picked
up
the
local
accent.____________
收听到
用车接
拾起，捡起
学会
1．I
felt
sick，as
if
I
was
falling
from
a
mountain
top
in
a
dream.(教材P31)
我觉得恶心，好像我在梦中从山顶上摔下来。
[句式解读]　句中as
if意为“好像，似乎”，引导方式状语从句，可由as
though代替。
[用法总结]
(1)as
if在seem，look等系动词后可引导表语从句。
①It
seems
as
if
the
boy
has
lost
his
way.那个男孩好像迷路了。(陈述语气)
(2)as
if引导的从句有语气上的变化：
1〉as
if从句用陈述语气的情况：
当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。
2〉as
if从句用虚拟语气的情况：
当说话人认为句子所述的是不真实的或极少有可能发生或存在情况时，从句用虚拟语气，其形式如下：
a．如果从句表示与现在事实相反，谓语动词用一般过去时。
b．如果从句表示与过去事实相反，谓语动词用“had＋过去分词”。
c．如果从句表示与将来事实相反，谓语动词用“would/could/might＋动词原形”。
②She
treated
her
husband
as
if/though
he
were
a
stranger.
她待她丈夫如陌生人。(虚拟语气)
③She
talks
and
talks
as
if
she
would
never
stop.
她说了又说，好像永远停不下来。(虚拟语气)
[巩固内化]
(1)单句语法填空
①The
young
man
with
long
hair
looks
as
if
he
____________
a
girl.
②He
acted
as
though
he
____________(know)nothing
about
it.
were
had
known
(2)翻译句子
③看起来她好像有点不高兴。
________________________________________________________________________
④他张开口，像是要说话。
________________________________________________________________________
⑤He
dressed
himself
as
if
he
were
a
strange
being
from
another
planet.
_______________________________________
It
looks
as
if
she
is
a
little
unhappy.
He
opened
his
mouth
as
if
(he
was
going)
to
speak.
他打扮得像来自其他星球的奇异生物。
2．...the
larger
the
bodies
were,
the
more
rapidly
they
fell；...(教材P31)……身体越大，下落越快……
[句式解读]　“the＋比较级……，
the＋比较级……”表示“越……就越……”。
[用法总结]
(1)第一个“the＋比较级……”是条件状语从句，第二个“the＋比较级……”是主句。如果第二个“the＋比较级……”用一般将来时，则第一个“the＋比较级……”通常用一般现在时代替将来时。
(2)这个句型表示从句和主句的变化是同时进行的，即：主句的情况随着从句的情况而变化。两个“the＋比较级……”要分别放在两个句子的主谓结构之前，两句之间可以用逗号隔开。当意思很明白时，两句常采用省略形式。
①The
more
you
talk,
the
less
attention
he
will
pay
to
you.
你说得越多，他越不注意听你讲。
②The
more
he
eats,
the
fatter
he
gets.
他吃得越多就变得越胖。
③The
less
you
worry,
the
better
results
you
will
get
in
the
examination.
你越放松，考试的成绩就会越好。
④The
sooner,
the
better.
越快越好。
[巩固内化]
单句语法填空/完成句子
①The
more
we
do
for
the
people,
the
____________
(happy)
we
will
feel.
②The
longer
the
war
____________
(last),
the
more
the
people
there
will
suffer.
③The
more
she
learns，_________________________.
她越学越想学。
④______________________________，the
better
your
English
will
be.
你练习英语越多，你的英语就越好。
happier
lasts
the
more
she
wants
to
learn
The
more
English
you
practise
关系副词引导的定语从句
上述三个关系副词很多情况下都可以用介词＋关系代词来替换。where＝in/at/to＋which；when＝in/on/at＋which；why＝for＋which。
[巩固内化1]　单句语法填空
①I
can
never
forget
the
day
____________
I
first
saw
you.
②He
came
at
the
time
____________
we
needed
him
most.
③I’ll
never
forget
the
days
____________
we
spent
together.
④Almost
every
teenager
will
experience
a
period
in
their
life
____________
they
aren’t
satisfied
with
their
parents.
⑤We
live
in
an
age
____________
more
information
is
available
with
greater
ease
than
ever
before.
when
when
that/which
when
when
[巩固内化2]　单句语法填空
①The
accident
has
reached
to
the
point
____________
both
their
parents
are
to
be
called
in.
②You
would
get
into
a
situation
____________
you
have
to
decide
immediately.
③The
next
day,
my
brother
and
I
went
to
the
beach
____________
we
watched
some
people
play
volleyball.
④Students
should
involve
themselves
in
community
activities
____________
they
can
gain
experience
for
growth.
where
where
where
where
[巩固内化3]　单句语法填空
①Unsuccessful
people
can
always
find
reasons
____________
they’re
not
doing
well.
②I
don’t
believe
the
reason
____________
he
gave
me
for
his
being
late.
③That
was
the
reason
____________
he
gave
for
his
absence.
④Do
you
know
the
reason
____________
he
didn’t
attend
the
meeting
yesterday?
why
that/which
that/which
why