(共63张PPT)
中考英语复习语法专题
甘做绿叶
–
状语从句
通用版
2021
2021年3月
目录
CONTENTS
总述
A
时间
B
地点
C
原因
D
条件
E
结果
F
目的
G
让步
H
方式
I
比较
J
状语从句总述
PART
01
了解状语从句
01
状语从句
状语从句在复合句中充当状语。
状语从句在主从复合句中修饰主句中的动词、形容词或副词等，按意义可以分为时间、地点、原因、目的、结果、条件、方式、比较、让步等状语从句。
状语从句作用相当于副词，也叫副词性从句。
状语从句一般由从属连词或词组引导。
状语从句举例
I
could
read
and
write
when
I
was
six.
(时间)
Where
there
is
a
will,
there
is
a
way.(地点)
Please
open
the
door
because
it’s
too
hot.(原因)
You
can
get
the
prize
if
you
work
hard.(条件)
He
works
so
hard
that
the
teacher
praised
him.(结果)
状语从句举例
You’d
better
listen
carefully
so
that
you
can
follow
me.(目的)
She
looks
healthy
even
though
she
is
80.(让步)
You
should
do
the
homework
as
the
teacher
said.(方式)
We
have
to
get
up
earlier
than
Mr.
Liu
does.(比较)
时间状语从句
PART
02
时间
02
时间状语从句-引导词
引导词
意义
引导词
意义
when
当……时
while
当……时
as
当……时
before
在……以前
after
在……以后
since
自……以来
till/until
直到……为止
as
soon
as
一……就
by
the
time
到……时
once
一……就
the
moment
此刻
the
day
这天
next
time
下次
every
time
每次
图解状语从句
主句动作
从句动作
when
while
as
once
时间状语从句
when
表示某一特定时间点（段），主句和从句动作同时或先后发生。从句的谓语动词可延续也可非延续。
He
was
happy
when
he
heard
the
news.
They
are
playing
basketball
when
it
rained.
时间状语从句
while表示主句动作与从句动作同时发生，或者主句动作发生于从句动作过程中。while引导的从句谓语动词必须是延续性动词。
The
boy
was
reading
while
his
parents
were
watching
TV.
He
opened
the
window
while
(he
was)
driving.
时间状语从句
as
表示主句与从句的动作同时或几乎同时发生，或者两者伴随进行。从句的谓语动词多用表示动作或状态变化的动词。
The
girl
took
many
pictures
as
she
visited
the
factory.
The
sun
was
high
up
as
he
woke
up.
时间状语从句
before表示主句动作在从句动作之前发生。
We
ought
to
turn
off
the
lights
before
we
leave
the
room.
“……（多长时间）之后才……”
It
will
be
two
weeks
before
I
leave
here.
两周后我才离开这里。
时间状语从句
after
表示主句动作在从句动作之后发生。
What’s
your
plan
after
you
graduate?
They
went
to
Beijing
after
they
traveled
in
Shanghai.
时间状语从句
since
表示从句动作自主句动作发生后开始，主句常为现在完成时，有时也用于一般现在时，从句多用一般过去时。
He
has
taught
us
since
I
came
to
this
school.
It
is
two
years
since
he
left
his
home.
It
has
been
two
years
since
he
left
his
home.
时间状语从句
till/until引导状语从句，主句为肯定句，从句动词用延续性动词；主句为否定句，从句为非延续性动词。。
Don’t
come
until
you
are
called.
Walk
on
until
you
see
a
white
building.
时间状语从句
as
soon
as表示主句动作紧随从句动作发生，若主句为祈使句、一般将来时或含有情态动词，则从句常用一般现在时，即“主将从现”。
He
called
me
as
soon
as
he
arrived
in
Beijing.
I
will
wake
you
up
as
soon
as
the
match
starts.
时间状语从句
by
the
time表示到某一时间点为止，主句动作已经完成，主句一般用完成时态。
By
the
time
I
got
to
school,
the
bell
had
rang.
The
train
had
left
by
the
time
we
arrived
at
the
station.
时间状语从句
once
多与过去时态连用。表示动作已经发生，若主句用一般现在时，从句常用一般现在时表将来。
Life
at
school
is
busy,
but
once
I
get
home,
I
like
reading
books.
Once
they
were
on
the
road,
they
often
coamped
outdoors
and
ate
cheaply.
时间状语从句
the
moment,
the
minute,
the
day,
next
time,
every
time等名词短语也可引导时间状语从句。
The
moment
I
sat
down
in
front
of
the
TV,
my
mom
came
over.
Every
time
we
have
a
match,
our
teacher
cheers
us
on.
时间状语从句
I
had
just
steeped
out
of
the
bathroom
and
was
busily
drying
myself
with
a
towel
____
I
heard
the
steps.
A.
while
B.
when
C.
since
D.
after
—
I’m
going
to
the
post
office.
—
____
you’re
there,
can
you
get
me
some
stamps?
A.
As
B.
While
C.
Because
D.
If
√
√
时间状语从句
I
____
along
the
street
looking
for
a
place
to
park
when
the
accident
____.
A.
went;
was
occurring
B.
went;
occurred
C.
was
going;
occurred
D.
was
going;
had
occurred
√
地点状语从句
PART
03
地点
03
地点状语从句
where引导地点状语从句，表示一个确定的但非特指的地点。
She
hid
her
diary
where
nobody
can
find
it.
与关系副词where引导的定语从句的差别主要是前面没有表示地点的先行词。如下句为定语从句：
We
know
the
place
where
the
meeting
was
held.
地点状语从句
wherever引导的地点状语从句，表示不确定的地点。
Wherever
you
go,
I’ll
be
with
you.
My
parents
can
find
me
wherever
I
am.
everywhere引导地点状语从句，相当于wherever.
Everywhere
you
look,
there
are
famous
film
stars
and
directors.
地点状语从句
anywhere引导状语从句时，强调任何一个地方。
People
can
carry
the
mobile
phone
anywhere
they
want.
If
everyone
has
a
car
and
drives
anywhere
they
want
to
go,
there
will
be
serious
traffic
problems.
原因状语从句
PART
04
原因
04
原因状语从句
引导词
用法
示例
as
对结果的附加说明，语气最弱
As
the
bag
is
heavy,
I
didn’t
carry
it.
now
that
已经原因，侧重引出新情况
Now
that
you
know
it
works,
why
not
have
a
try?
原因状语从句
引导词
用法
示例
because
引导直接原因，常置于句末，语气强
I
like
English
because
it’s
interesting.
since
引导已知或显然原因，常置于句首
Since
you
are
busy,
you
can
come
here
later.
用as,
because,
since,
for填空
他因为没有得到那个职位而失望。
He
is
disappointed
_________
he
didn't
get
the
position.
由于正下着雨，我不出去了。
____
it
is
raining,
I
will
not
go
out.
既然没有人反对，我们就执行这个计划吧。
______
no
one
is
against,
let's
carry
out
the
plan.
地面是湿的，昨天晚上肯定下雨了。
It
must
have
rained
last
night,
____
the
ground
is
wet.
because
As
Since
for
条件状语从句
PART
05
条件
05
条件状语从句
用来说明动作发生的条件；
可置于句首或句末；
真实性（实现的可能性大）条件句，用陈述语气。
非真实性（实现的可能性小）条件句，用虚拟语气。（了解即可）
条件状语从句
引导词
用法
示例
if
如果
表某种条件下可能发生某事
If
you
want
to
improve
your
English,
read
more.
unless
除非
相当于if
…
not
You
can’t
realize
your
dream
unless
you
work
hard.
条件状语从句
引导词
用法
示例
as
long
as
只要
表说话人希望、愿望或遗憾等心情
It’s
fine
as
long
as
you
are
happy.
in
case
万一，如果
表在某种前提下，常在句首
In
case
you
have
any
questions,
you
can
call
me
at
any
time.
条件状语从句
条件状语从句假设的条件满足的可能性不大、与事实相反或者难以实现，需要用虚拟语气。
If
I
were
you,
I
would
listen
to
others
carefully.
If
I
were
a
bird,
I
could
fly
in
the
blue
sky.
If
I
had
not
stopped
you,
you
would
have
hurt
yourself.
If
they
were
to
do
that
again,
the
teacher
would
punish
them.
条件状语从句
主句为一般将来时，从句用一般现在时，即“主将从现”
If
you
go
with
us,
you’ll
have
a
good
time.
主句是祈使句，从句用一般现在时，即“主祈从现”
If
you
want
to
succeed,
work
hard!
主句的谓语动词是“情态动词+动词原形”，从句用一般现在时，即“主情从现”
If
you
get
a
driver’s
license,
you
can
drive
a
car.
结果状语从句
PART
06
结果
06
结果状语从句
引导词
意义
so
…
that
…
如此…以致于…
such
…
that
…
如此…以致于…
so
(that)
如此，以至于
so
…
that
…
用法
示例
so
+
形容词/副词
+
that
从句
He
is
so
kind
that
everyone
likes
to
talk
with
him.
He
speaks
so
fast
that
I
can’t
follow
it.
so
many/few
+可数名词复数
+
that
从句
There
are
so
many
people
that
I
can’t
find
a
place
to
stand.
so
…
that
…
用法
示例
so
much/little
+
不可数名词复数
+
that
从句
They
made
so
much
noise
that
the
teacher
was
angry.
so
+
形容词
+
a/an
+可数名词单数
+
that
从句
He
is
so
honest
a
man
that
we
all
believe
in
him.
such
…
that
…
用法
示例
such
+
a/an
+
可数名词单数
+
that
从句
Harry
Potter
is
such
an
interesting
novel
that
I
want
to
read
it
again.
such
+
形容词
+可数名词复数
+
that
从句
They
are
such
beautiful
flowers
that
many
bees
and
butterflies
are
dancing
around
them.
such
+
形容词
+不可数名词
+
that
从句
She
was
in
such
low
spirit
that
her
mother
worried
about
her
a
lot.
so
(that)
so
that引导结果状语从句时，that可以省略。
Astronauts
have
special
plates
so
(that)
their
food
doesn’t
float
away
in
space.
目的状语从句
PART
07
目的
07
目的状语从句
引导词
意义
so
that
为了
in
order
that
为了
in
case
以防
目的状语从句
用法
示例
so
that
+
从句
You’d
better
visit
him
yourself
so
that
you
can
say
thanks
to
him.
in
order
that
+
从句
We
should
learn
English
well
in
order
that
we
can
tell
China
stories
to
the
world.
in
case
+
从句
You’d
better
take
an
umbrella
in
case
it
rains.
目的状语从句的简化
当从句的主语与主句的主语一致时，可借助表目的的不定式短语或介词短语，将复合句转换为简单句。
We
should
spend
more
time
on
schoolwork
in
order
that
we
can
get
better
grades.
?
We
should
spend
more
time
on
schoolwork
in
order
to
get
better
grades.
让步状语从句
PART
08
让步
08
让步状语从句
引导词
意义
though
/
although
虽然
even
if
/
though
即使，尽管
no
matter
+
疑问词
无论……
疑问词
-ever
无论……
though
/
although
although和though引导让步状语从句时，不能与but连用。
although比though更正式。
Although
the
traffic
was
heavy,
we
got
to
the
railway
station
on
time.
Though
we
may
not
succeed,
we
will
try
our
best.
even
if
/
though
even
if/though
引导让步状语从句，带有强调的意味，语气比although
/
though更强。
Even
if
you
learn
something
well,
you’ll
forget
it
unless
you
use
it.
Even
though
we
tried
our
best,
it’s
difficult
to
develop
a
new
habit.
no
matter
+
疑问词
“no
matter
+
疑问词”与
“疑问词
–ever”引导让步状语从句时，意思相同，常可互换。
No
matter
who
you
are,
you
must
obey
the
rules.
No
matter
how
well
you
drive,
you
must
drive
carefully.
Whatever
it
was,
don’t
be
too
hard
on
yourself.
方式状语从句
PART
09
方式
09
as
as引导方式状语从句，意为“按照……的方式”。
The
boy
did
as
his
grandpa
said.
Always
do
to
the
others
as
you
would
be
done
by.
We
must
do
as
the
Party
tells
us
(to
do).
Leave
the
things
as
they
are.
as
if
/
though
as
if
/
though
引导方式状语从句，意为“似乎，好像，仿佛”。从句内容是事实或实现的可能性很大，用陈述语气；从句内容与事实不符，用虚拟语气。
He
looks
as
if
he
is
angry.
It
looks
as
if
the
weather
may
pick
up
very
soon.
He
looks
as
if
(as
though)
he
had
been
hit
by
lightning.
比较状语从句
PART
10
比较
10
as/so
…
as
…
常用于“as
/so
+形容词/副词原级
+
as
+从句”结构。
The
Changjiang
River
is
almost
as
long
as
the
Amazon
River
(is).
He
ran
as
fast
as
he
could
to
the
top
of
the
hill.
than
用于“形容词/副词比较级
+
than
+
从句”结构。
John
swims
better
than
Jim
does.
Man
developed
earlier
than
people
think.
He
moves
more
slowly
than
his
sister
does.
The
youth
of
today
are
better
off
than
we
used
to
be.
完成句子
他一到家，我就告诉他这件事。
I
will
tell
him
about
it
____________________
我喜欢吃苹果，因为这对我的健康有好处。
I
like
to
eat
apples
______________________________
他和汤姆跑的一样快。
He
________________
Tom.
Jack太穷，他买不起这本书。
________________________
couldn’t
buy
the
book.
直到爸爸回来他才读完这本书。
___________________________________
his
father
came
back.
He
didn’t
finish
reading
the
book
until
because
it’s
good
for
my
health.
runs
as
fast
as
Jack
was
so
poor
that
he
as
soon
as
he
gets
home.
易错点拔
Get?prepared?_______?you?can?set?out?immediately?if?something?happens.
A．after?B．since?C．while?D．so?that
【答案】
D
【解析】句意：准备好以便如果有事发生你可以立即出发。考查连词。After在……之后；since自从，既然；while当……的时候；?so?that以便。从句子之间的关系来说，表示目的，所以要用“目的状语从句”，故本题选D。
易错点拔
I?think?you’ll?miss?the?train?________?you?hurry?up.?
A．if?B．and?C．unless
【答案】
D
【解析】句意：句意：那位作家因为腿不好走得慢。because、since和as都有因为的意思，都是连词，后面接句子；because
of因为，介词短语，后面不加句子。his
bad
leg不是句子，所以用because
of。
https://www.21cnjy.com/help/help_extract.php中小学教育资源及组卷应用平台
状语从句练习
1．---Could
you
give
me
some
advice
on
travelling?
---Take
a
map
with
you
_______
you
have
a
guide
or
you
know
the
city
very
well.
A．if
B．unless
C．although
D．because
2．---
Do
you
know
what
time
Daniel
Xuzhou
tomorrow?
---At
2:00
p.
m.
I
will
meet
him
when
he
at
the
airport.
A．gets
to;
arrives
B．will
get
to;
will
arrive
C．will
get
to;
arrives
D．gets
to;
will
arrive
3．She
eats
ice-cream
a
lot,
________it
isn't
good
for
her.
A．after
B．until
C．because
D．although
4．We
will
go
to
Tian’anmen
Square
to
watch
the
raising
of
national
flag
if
it
_________
tomorrow.
A．will
rain
B．rains
C．doesn’t
rain
D．won’t
rain
5．You
are
sure
to
fail
the
exam
________
you
study
hard.
A．if
B．unless
C．since
D．that
6．—Have
you
heard
of
the
latest
news
about
WIFI?
—Yes.
When
the
5G
age
,
the
Internet
speed
will
be
100
times
as
high
as
4G.
A．come
B．comes
C．will
come
D．is
coming
7．He
made
a
serious
mistake,
but
he
took
immediate
action
to
change
that
______
it
got
worse.
A．until
B．when
C．because
D．before
8．China
Dream
will
be
able
to
come
true
we
try
our
best.
A．unless
B．until
C．although
D．as
long
as
9．Life
is
like
climbing
a
mountain.
______
you
feel
tired,
you
will
enjoy
the
beautiful
view
at
the
top
of
the
mountain.
A．Since
B．Unless
C．Though
D．Because
10．I
waited
_________
it
stopped
raining．
A．if
B．since
C．unless
D．until
11．—Tom,
do
you
know
if
Sam
_______
to
my
party
next
week?
—I
think
he
will
come
if
he
__________.
A．comes;
will
invite
B．will
come;
will
be
invited
C．comes;
invites
D．will
come;
is
invited
12．—Did
you
catch
what
our
teacher
said
just
now?
—Of
course.
He
said
that
nothing
will
live
in
the
world
_____
there
is
any
water.
A．if
B．unless
C．although
13．—
Do
you
think
Jack
will
catch
up
with
us?
—
I
believe
so._______
he
loses
himself
in
computer
games.
A．If
B．Unless
C．Or
D．But
14．--
Can’t
I
park
my
car
free
here?
--
You
can,
for
four
hours,
__________
you
spend
over
100
yuan
in
this
supermarket.
A．though
B．if
C．unless
15．___________
she
couldn’t
see
his
face,
she
could
tell
by
his
voice
that
he
was
young.
A．Unless
B．If
C．Because
D．Though
16．Li
Na
is
famous
all
the
tennis
fans
in
China
know
her.
A．too;
to
B．enough;
to
C．as;
as
D．so;
that
17．
______
Mike
didn’t
win
the
race
,
he
was
still
wearing
a
smile
on
his
face.
A．If
B．Since
C．Although
D．Because
18．—I
hear
Music
and
Art
will
enter
the
Entrance
Examination
for
the
high
school.
—
Yes.
but
don’t
worry.
Nothing
will
be
difficult
if
more
attention
_____
to
them.
A．will
pay
B．will
be
paid
C．is
paid
D．pays
19．-Is
your
WeChat
account
（账户）
safe?
-Yes,
even
my
father
can't
use
it
__________
I
tell
him
the
password.
A．when
B．unless
C．while
D．if
20．--Has
the
meeting
begun
yet？
--Not
yet．
We
have
to
wait
everyone
is
here．
A．and
B．until
C．or
D．but
21．My
family
always
go
somewhere
interesting
the
holiday
begins.
A．as
soon
as
B．so
C．so
that
D．even
though
22．–
You
bought
the
car
about
ten
years
ago?
--
Yes.
it’s
old,
it
still
runs
well.
A．Because
B．Since
C．Although
D．But
23．—Are
you
going
to
climb
the
mountains
tomorrow?
—Yes.
But
if
it
_____,
I_____
at
home.
A．will
rain;
will
stay
B．will
rain;
stay
C．rains;
stay
D．rains;
will
stay
24．_______
you
use
your
dictionary
often,
your
spelling
will
improve.
A．Whether
B．If
C．Though
D．While
25．—His
handwriting
is
very
careful.
—Yeah.
With
the
help
of
him,
his
sister
writes
as
________
as
him.
A．care
B．careful
C．more
carefully
D．carefully
26．Today’s
young
people
can’t
live
without
smart
phones.
They
keep
their
hands
on
the
phones
whenever
they
go,
even
while
they_______meals.
A．had
B．will
have
C．are
having
D．were
having
27．—Jack,
remember
______
off
the
lights
when
_______your
bedroom.
----OK,
I
won’t
forget,
Mom.
A．turning;
leaving
B．to
turn;
leave
C．turning;
left
D．to
turn;
leaving
28．Many
people
like
reading
newspapers
______
they
can
learn
what's
happening
in
the
world.
A．so
that
B．ever
since
C．as
soon
as
D．even
though
29．Our
head
teacher
often
says,
＂You
will
not
pass
the
exam
___________
you
work
hard.＂
A．if
B．unless
C．since
D．when
30．The
bell
rang
________the
teacher
was
explaining
the
experiment
to
the
students.
A．until
B．before
C．while
D．after
【答案及解析】
1．【答案】B
【解析】
句意：--你能给我一些关于旅行的建议吗？--如果没有向导或者对城市不很了解，那么就随身带着一张地图。A.
if如果；
B.
unless除非；如果不；
C.
although虽然，尽管；
D.
because因为。根据句意故选B。
2.
【答案】C
【解析】
句意：——你知道丹尼尔明天什么时候去徐州吗？——下午2:00点。当他到达机场时我将与他会面。第一句是what
time引导的宾语从句，主句是一般现在时，从句时态不受限制，结合tomorrow用一般将来时will+动词原形；第二句是when引导的时间状语从句，遵循主将从现的规则，所以从句用一般现在时，主语是he，因此是arrives；结合选项，故答案选C。
3.
【答案】D
【解析】
【详解】
句意：她经常吃冰淇淋，虽然这对她不好。考查连词辨析。A.
after在……以后，表时间；B.
until直到，表时间；C.
because因为，表原因；D.
although尽管，表让步。本句前后是让步关系，需用although连接；根据句意语境，可知选D。
4.【答案】C
【解析】
试题分析：句意：如果明天不下雨我们要去天安门广场看升国旗。根据句意及题干分析if引导的是条件状语从句，主句是一般将来时态，根据“主将从现”原则，if从句中应用一般现在时态，根据句意是“不下雨”，所以选C。
【考点定位】考查动词的时态。
5.
【答案】B
【解析】
试题分析：句意：如果你不努力学习，你一定会考试不及格的。A.if如果；B.
unless如果不；C.
since自从；结合句意，故选B。
考点：考查连词的用法。
6.【答案】B
【解析】
【详解】
句意：——你听说过无线网络的最新消息吗？——是的。到了5G时代，网速将是4G的100倍。A.
come动词原形；
B.
comes第三人称单数形式；
C.
will
come一般将来时态；
D.
is
coming现在进行时态，此句是when引导的时间状语从句，遵循主将从现的原则，此空应填谓语动词的第三人称单数形式，此空故填comes。
7.【答案】D
【解析】
试题分析：句意：他犯一个严重的错误。但他采取行动来改变它以免变得更糟。A.
Until直到；B.
When当……时；C.
Because因为；D.
Before在……之前。在变得更糟之前采取行动改变。故选D。
考点：考查连词辨析。
8.【答案】D
【解析】
【详解】
句意：只要我们尽全力，中国梦将会实现。考查连词。A.
unless除非；B.
until直到；C.
although虽然；D.
as
long
as只要。根据句意可知，是只要我们尽全力，中国梦将会实现。故选D
9.【答案】C
【解析】
【详解】
句意：生活就像爬山。虽然你感到累，但你会在山顶欣赏美丽的景色。考查状语从句；since
自从，引导时间状语从句；unless
除非，引导条件状语从句；though
虽然，引导让步状语从句；because
因为，引导原因状语从句。此处表示让步关系，故选C。
10.
【答案】D
【解析】
【详解】
句意：我会等下去，直到雨停。A.
if如果，是否;
B.
since自从;
C.
unless除非;
D.
until直到。考查连词。根据I
waited及后面it
stopped
raining可推出我会等到雨停了。故选D。
11.【答案】D
【解析】
解析：句意：——汤姆，你知道山姆下个星期会来参加我的聚会吗？——我认为如果他被邀请了他会来的。第一句中的if翻译为“是否”，引导宾语从句；根据句意，可知从句的时态应该用一般将来时；第二句中的if翻译为“如果”，引导条件状语从句，在if引导的条件状语从句中，要用一般现在时代替一般将来时，由句意可知用被动语态，故选D。
12.【答案】B
【解析】
句意：——你明白我们老师刚才说的话了吗？——当然。他说世界上没有水就没有生命。A.
if如果；B.
unless除非，如果不；C.
although尽管。如果没有水。世界上没有任何东西可以生存。结合句意可知，此句是unless引导的条件状语从句，unless=if
not，故答案为B。
【点睛】
if引导的条件状语从句，当主句是一般将来时，从句用一般现在时表示将来的含义，就是我们常说的“主将从现”，unless也有类似的用法，unless作为连词引导条件状语从句时，可以表示“如果不”或“除非”，unless=if
not，如：We
will
go
to
the
park
if
it
doesn’t
rain
tomorrow.
可以改写为：We
will
go
to
the
park
unless
it
rains
tomorrow.
13.
【答案】B
【解析】
句意：—你认为杰克会赶上我们吗?
—我认为会，除非他沉迷于电脑游戏。A.
If如果；B.
Unless除非；C.
Or否则；D.
But但是。根据本题语境，可知，回答为如果他不沉迷于电脑游戏，他就能赶上我们，如果不，即为除非。故选B。
14.【答案】B
【解析】句意：-我不能把车免费停在这里吗？-
如果你在这家超市花费超过100元，你可以免费停车四个小时。though
虽然；if
如果；unless
除非。这里是形容一种条件，如果消费超过100元，就能免费停车，故选B。
15.
【答案】D
【解析】句意：虽然她看不见他的脸，但是她能够通过声音分辨出他很年轻。A.
Unless除非；B.
If如果；C.
Because因为；D.
Though尽管。根据语境以及上下文，本题考查的是连词的用法。结合句意可知，在这里两个句子之间存在一个相反的让步关系，though/although/even
though"虽然；尽管"，引导让步状语从句，符合句意。故答案选D。
16.【答案】D
【解析】试题分析：A．too;
to
表示太……而不能；
B．enough;
to表示做某事足够……
C．as;
as
连接原级表示和……一样；
D．so;+形容词
that+从句表示如此……以至于；根据题意
：李娜是如此的出名以至于在中国所有的网球明星都喜欢她。根据题意故选D
考点：考查短语辨析。
17.
【答案】C
【解析】句意：虽然迈克没有赢了比赛，但是他脸上仍然带着笑容。A.
If
如果，引导条件状语从句；B.
Since
由于，引导原因状语从句；C.
Although
尽管，虽然，引导让步状语从句；D.
Because
因为，引导原因状语从句。根据句意，故选C。
18.【答案】C
【解析】句意：——我听说音乐和艺术将进入高中入学考试。——是的。但别担心。如果对他们给予更多的关注，就不会有困难。考查被动语态。本句是if引导的条件状语从句，需用一般现在时态代替一般将来时态；从句主语more
attention是单数第三人称，又是动词pay的受动者，需用被动语态，即is+paid结构；根据句意语境，可知选C。
19.【答案】B
【解析】句意：-你的微信账号安全吗？-是的，如果我不告诉他密码甚至我的爸爸都不能使用它。when当…时候；unless除非，如果不；while当…时候；if如果。根据句意my
father
can't
use
it…可知，这里应表示“不告诉他密码”，故应选B。
20.【答案】B
【解析】
考查连词用法。句意：—会议已经开始了吗？—不，还没有。我们必须等到大家都到齐了。and和；until直到；or或者、否则，but但是。根据题干可知我们得等到大家都到了，这里表示直到……时候用until．故选B．
21.【答案】A
【解析】
试题分析：句意：一放假，我们家总是去一些有趣的地方。A.
as
soon
as一……就……。表示时间；B.
so因此。表示结果；C.
so
that
以便，为了，表示目的；D.
even
though尽管，即使，表示条件。假期开始，指时间，用as
soon
as：一放假就去参观有趣的地方。故选A。
考点：考查连词辨析。
22.【答案】C
【解析】
【详解】
句意：——你十年前买的车？——是的。虽然它很旧，但它仍然运行良好。
考查连词辨析。A.
Because因为，引导条件状语从句，前后句是因果关系；B.
Since自从……以来，引导时间状语从句；C.
Although虽然，尽管，引导让步状语从句，前后句是转折关系，although后面句子表示让步条件；D.
But但是，并列连词，连接并列句，前后句转折关系。根据句意可知前后句是转折关系，前句表示让步条件；故选C。
23.【答案】D
【解析】
【详解】
句意：——你明天将去爬山吗？——是的。但是如果明天下雨，我将呆在家里。
考查状语从句。根据句意和语境，可知答句是if引导的条件状语从句，遵循“主将从现”的原则，if从句用一般现在时，主语it是第三人称单数，动词用三单形式，“下雨”用rain，所以第一空填rains；主句用一般将来时，“呆在家里”stay
at
home，用will+动词原形，所以第二空填will
stay；故答案选D。
24.
【答案】B
【解析】
试题分析：Whether是否；If是否，如果；Though
虽然，尽管；While
然而，当……时。句意：如果你经常使用词典，你的书写会很快提高的。结合语境可知选B。
考点：考查连词辨析
25.【答案】D
【解析】
试题分析：句意：——他的书写非常认真。——是的。在他的帮助下，他的妹妹写得和他一样认真。care关心，是动词；careful认真的，是形容词；more
carefully更认真地；carefully认真地。as+形容词的原级+as“和……一样”，修饰动词write，故用副词carefully，故选D。
考点：考查副词的用法。
26.【答案】C
【解析】
句意：今天的年轻人没有智能手机就活不下去。无论何时甚至在吃饭时他们都手里拿着手机。考查动词时态。while表示一段时间，后面使用进行时态，主句是一般现在时，可知从句使用现在进行时；故答案C。
27.【答案】D
【解析】
【详解】
句意：——杰克，记得离开卧室时把灯关掉。——好吧，妈妈，我不会忘记的。考查非谓语动词。上一句句意：杰克，离开卧室时记得关灯。remember
to
do
sth.记得去做某事（未做）；remember
doing
sth.记得做过某事（已做）。when
doing
sth.是省略了主谓语的时间状语从句。故选D。
28.【答案】A
【解析】
句意:
许多人喜欢看报，以便他们能了解世界上正在发生的事情。考查连词辨析。A.
so
that以便；结果是，以致于；B.
ever
since自从；自…以后；从…起；C.
as
soon
as一…就…；
D.
even
though即使，纵然。结合句意和语境可知选A。
29.【答案】B
【解析】句意：我们的班主任常说："如果你们不努力学习，你们就通不过考试"。If如果，引导条件状语从句；unless除非，引导条件状语从句；since自从，因为，引导时间状语从句；when当……时候，引导时间状语从句；条件状语从句用一般现在时表示一般将来时，主句用一般将来时，根据题中的时态和句意，如果不努力，就通不过考试，故此处用unless。故选B。
30.【答案】C
【解析】
句意“老师正向学生们解释这个实验，下课铃声响了。”until直到；before在……之前；while表示当……时候，after在……之后。此处表示当老师正讲解实验时，铃声响了，故用连词while，故选C。
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