人教版高中英语选修八unit5 Meeting your ancestors words and expressions 讲解与练习（共57张PPT）

(共57张PPT)
Unit5
Meeting
your
ancestors
表示‘别无选择只好做…’的其他表达法：
cannot
but
do….
can’t
choose
but
do…
have
no
choice
but
to
do….
2.
Did
they
suffer
from
cold,
starvation
or
disease?
他们遭受寒冷、饥饿或疾病的折磨了吗？
starvation
n.
[u]
饥饿，挨饿，饿死
starve
v.
使挨饿，饿死
starve
to
death
饿死
3.Compare
their
life
with
ours
today.
把他们的生活和我们现在的生活进行比较。
(1)vt.&n.
比较，对比
compare
…with/and/to…把…和…相比较
beyond/without
compare
无与伦比，举世无双
(2)vt.将…比作
compare
A
to
B
将A比作B
I
can
only
compare
the
experience
to
falling
in
love.
comparison
n.
比较，对比，相比
by
comparison
(用于句首)比较起来，较之
by/in
comparison
with….
与…相比较
(compare)
the
young
to
flowers,
he
expressed
his
great
hope
for
the
youth.
Living
in
the
country
is
cheap
in
(compare)
with
that
in
big
cities.
with
other
companies,
our
products
have
greatly
improved.
Comparing
comparison
Compared
4.aware
adj.
意识到，知道，明白
be/become
aware
that…
知道/意识到…
be/become
aware
of
知道/意识到…
as
far
as
I’m
aware
据我所知
make
sb.
aware
of
使某人意识到
Everybody
is
aware
of
the
seriousness
of
pollution.
More
and
more
people
are
aware
that
it
is
important
to
obey
the
traffic
rules.
awareness
n.
意识，知道
unaware
adj.
不知道，未察觉
unaware
of…..
不知道…..，没意识到…
In
the
1980s
there
became
an
(aware)
of
green
issues
in
China.
People
around
the
world
should
be
aware
the
real
situation
of
water
shortage.
(aware)
of
the
harm
of
mobile
phones,
many
teenagers
like
playing
with
them.
awareness
of
Unaware
A
woman
excused
the
(interrupt)
and
handed
me
an
envelope.
The
match
took
nearly
three
hours
and
(interrupt)
at
times
by
rain.
The
speaker
went
on
talking,
though
continually
(interrupt)
by
listeners.
interruption
was
interrupted
interrupted
Try
to
understand
what’s
actually
happening
instead
of
acting
on
the
(assume)
you’ve
made.
(assume)
that
Tom
refuses
our
invitation,
what
should
we
do?
Where
unemployment
and
crime
are
high,
it
can
(assume)that
the
latter
is
due
to
the
former.
assumption
Assuming
be
assumed
形容词
动词
词义
weak
weaken
变弱；变衰弱
soft
soften
使……软化
thick
thicken
使……变厚
short
shorten
使……变短
deep
deepen
加深；深化
hard
harden
使……变硬
loose
loosen
放松；解开
quick
quicken
加快；刺激
rough
roughen
变粗糙
light
lighten
减轻
用sharp适当形式填空
Some
Santas
actually
take
their
job
so
seriously
that
they
go
to
university
to
their
skills.
The
number
of
people
who
have
their
own
cars
has
risen
in
recent
years.
Your
must
be
very
careful
with
this
knife.
sharpen
sharply
sharp
My
uncle
hasn’t
been
able
to
quit
smoking,
but
at
least
he
has
cut
.
When
Jason
failed
to
pay
his
bill,
the
network
company
cut
his
Internet
connection.
If
your
child
is
better
at
science
than
at
maths,
simply
devote
more
home-schooling
hours
to
maths
and
cut
on
science.
Cut
the
carrots
before
putting
them
into
the
pot.
down
off
back
up
11.Yes,
and
so
well
preserved.
preserve
(1)vt.
保存，保护，维护
preserve
sth.
保护/保存某物
preserve
sb./sth.
from
sth.
保护…免于…
(2)n.保护区，专门领域
The
local
government
has
built
a
preserve
to
protect
this
kind
of
animal.
为了保护这种动物，当地政府已建立了保护区。
preservation
n.
保存，保护，维护
We
should
take
measures
to
preserve
the
environment
pollution.
The
salted
fish
made
in
winter
will
go
bad
if
it
(preserve)
for
too
long.
Inside
the
tombs,
he
found
jewels,
gold
and
the
(preserve)
bodies
of
dead
kings.
from
is
preserved
preserved
易混词
区别
例句
somehow
‘以某种方式’或
‘由于某种未知的原因’
I
feel
I
can
get
the
job,
somehow.
anyhow
‘无论如何’，相当于anyway
I’ve
tried,
but
I
can’t
open
the
door
anyhow.
somewhat
‘稍微，有点，有几分相当于
a
little,
rather’
I
am
somewhat
tired
of
this
book.
19.
accelerate
vt&vi.
(使)加速，加快，促进
Fertilizer
will
accelerate
the
growth
of
these
tomato
plants.
肥料将促进这些西红柿的生长。
accelerator
n.油门，加速装置
acceleration
n.加速，加速能力
谢谢观看