中小学教育资源及组卷应用平台
Unit
3
Life
in
the
future
(?http:?/??/?www.m?/?english2?/?ques?/?javascript:void(0)"
\o
"Unit
3
Life
in
the
future?)训练四
课后练习
一
二
三
四
单句语法填空
完形填空
语法填空
改错
1.
单句语法填空（单词复习+语法提升）
1．The
scientists
have
found
a
way
to
speed
this
process．
2．Don't
forget
to
switch
the
gas．
3．We
usually
feel
(?http:?/??/?www.21cnjy.com?)
more
pleasure
and
（motivate）
to
work
on
what
we
can
do
best．21教育网
4．I
don't
think
it
is
(?http:?/??/?www.21cnjy.com?)right
to
blame
the
tools
the
faults
of
the
user．
5．She
accepted
an
out﹣of﹣court
（settle）
of
40，000
dollars．
6．He
was
fired．
That
was
he
didn't
work
hard
enough．
7．John
adapted
effortlessly
to
his
new
（surround）．
8．You
only
get
one
chance
to
make
a
first
（impress）．
9．The
famous
singer
was
surrounded
reporters．21cnjy.com
10．This
means
they
can
ensure
high
levels
of
（efficient）．
二．完形填空
阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。
???
Everyone
(?http:?/??/?www.21cnjy.com?)wants
to
find
happiness
in
life.
No
matter
what
our
circumstances
are,
the
search
for
true
contentment
is
at
the
1
of
everyone's
goals.
???
The
questi
(?http:?/??/?www.21cnjy.com?)on,
then,
is
how?
How
are
we
2
to
even
begin
looking
for
it?
A
group
of
people
gathered
in
a
room
3
a
seminar
about
life
and
happiness
to
learn
to
find
happiness
in
their
4
.
They
were
being
5
various
skills
and
lessons
about
life.
Suddenly,
the
speaker
6
and
started
giving
each
person
a
balloon.
He
asked
everyone
to
write
their
7
?on
it
using
a
pen.
All
the
balloons
were
then
8
and
taken
to
another
room.21·cn·jy·com
???
Now,
these
del
(?http:?/??/?www.21cnjy.com?)egates
were
let
in
that
room
and
asked
to
find
the
balloon
which
had
their
name
9
,
within
5
minutes.
Everyone
was
10
searching
for
their
name,
pushing,
crashing
with
each
other,
and
there
was
a
11
.
No
one
could
find
their
12
within
the
given
five-minute
time
and
they
all
had
to
return
to
the
other
room
with
their
hands
13
.www.21-cn-jy.com
???
Then
they
were
to
(?http:?/??/?www.21cnjy.com?)ld
to
go
to
the
other
room
and
randomly
choose
a
balloon
and
give
it
to
the
14
whose
name
was
written
on
it.
Within
five
minutes
everyone
was
15
?the
balloon
with
their
name
on
it.
???
The
speaker
began:
(?http:?/??/?www.21cnjy.com?)
This
is
16
happening
in
our
lives.
Everyone
is
hurriedly
looking
for
happiness
all
around,
not
knowing
17
it
is.
Our
happiness
18
the
happiness
of
other
people.
Give
them
their
happiness,
you
will
get
your
19
happiness.
And
this
is
the
20
of
human
life.2·1·c·n·j·y
1.
A.
bottom
B.
heart
C.
draft
D.
distance
2.
A.
forced
B.
used
C.
supposed
D.
aimed
3.
A.
attending
B.
attempting
C.
accompanying
D.
abusing
4.
A.
contributions
B.
lectures
C.
trips
D.
lives
5.
A.
appointed
B.
taught
C.
guaranteed
D.
adjusted
6.
A.
continued
B.
urged
C.
stopped
D.
resigned
7.
A.
names
B.
addresses
C.
ideas
D.
essays
8.
A.
separated
B.
exchanged
C.
divided
D.
collected
9.
A.
announced
B.
declared
C.
recommended
D.
written
10.
A.
eventually
B.
steadily
C.
wildly
D.
flexibly
11.
A.
mess
B.
potential
C.
threat
D.
disability
12.
A.
rooms
B.
balloons
C.
exits
D.
sections
13.
A.
full
B.
blank
C.
empty
D.
dirty
14.
A.
teacher
B.
speaker
C.
person
D.
agent
15.
A.
pumping
B.
choosing
C.
distributing
D.
carrying
16.
A.
simply
B.
exactly
C.
automatically
D.
nearly
17.
A.
where
B.
who
C.
what
D.
which
18.
A.
results
in
B.
decides
on
C.
dates
from
D.
lies
in
19.
A.
temporary
B.
own
C.
annual
D.
awful
20.
A.
purpose
B.
consequence
C.
search
D.
existence
3．语法填空
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
??
?Are
zoos
ne
(?http:?/??/?www.21cnjy.com?)cessary,
________?are
they
only
bad
to
the
animals?
This
is
a
question
________?causes
disagreement
among
many
animal
experts.
Some,
we
may
just
call
them
Group
A,
believe
that
________?(place)
animals
in
a
zoo
does
harm
to
them.
These
people
think
that
all
animals
should
be
protected
from
being
hunted
too
much
and
________?(leave)
in
their
native
land.
They
also
advise
people
to
________?(educate)
to
know
more
about
animals
in
the
wild.
Other
experts
of
Group
B
think
________?(different).
They
say
modern
zoos
are
designed
very
closely
to
the
natural
environment.
One
of
their
________?(strong)
arguments
is
that
certain
species,
as
the
panda
from
China
and
the
white
tiger
from
India
________.
(be)
not
only
protected
from
uncontrolled
killing
but
can
give
babies
under
________?(protect)
and
in
that
way
they
may
be
saved
________?dying
out.21世纪教育网版权所有
四．改错
People
always
spe
(?http:?/??/?www.21cnjy.com?)ak
that
time
is
money．
So
I
think
time
is
more
value
than
money．
If
you
lose
money，
you
can
earn
some
by
making
efforts．
But
if
that
you
have
lost
is
time，
you
can
never
regain．
Many
students
tell
me
that
they
don't
have
enough
time
to
study
for．
It's
because
we
have
spent
too
much
time
playing
games，
watching
TV
or
doing
other
useless
thing．
Now，
as
a
teenager，
you
should
make
a
best
use
of
time
and
devote
you
to
your
studies．
21世纪教育网
www.21cnjy.com
精品试卷·第
2
页
（共
2
页）
HYPERLINK
"http://21世纪教育网(www.21cnjy.com)
"
21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
Unit
3
Life
in
the
future
(?http:?/??/?www.m?/?english2?/?ques?/?javascript:void(0)"
\o
"Unit
3
Life
in
the
future?)训练四
课后练习
一
二
三
四
单句语法填空
完形填空
语法填空
改错
1.
单句语法填空（单词复习+语法提升）
1．The
scientists
have
found
a
way
to
speed
this
process．
2．Don't
forget
to
switch
the
gas．
3．We
usually
(?http:?/??/?www.21cnjy.com?)feel
more
pleasure
and
（motivate）
to
work
on
what
we
can
do
best．21cnjy.com
4．I
don't
think
it
i
(?http:?/??/?www.21cnjy.com?)s
right
to
blame
the
tools
the
faults
of
the
user．
5．She
accepted
an
out﹣of﹣court
（settle）
of
40，000
dollars．
6．He
was
fired．
That
was
he
didn't
work
hard
enough．
7．John
adapted
effortlessly
to
his
new
（surround）．
8．You
only
get
one
chance
to
make
a
first
（impress）．
9．The
famous
singer
was
surrounded
reporters．21·世纪
教育网
10．This
means
they
can
ensure
high
levels
of
（efficient）．
1．【句意】科学家们找到了一种加速这一过程的方法．
答案：up，考查固定搭配，根据句意"科学家们找到了一种加速这一过程的方法．"，可知要填的词为"up"，构成固定搭配speed
up加速．
2．【句意】别忘了关掉煤气．
答案：off，考查固定搭配，根据句意"别忘了关掉煤气．"，可知要填的词为"off"，构成固定搭配switch
off关掉．www-2-1-cnjy-com
3．【句意】我们通常会感到更多的快乐和动力去做我们能做的最好的事情．
答案：
motivation，考查
词性，作宾语，和
pleasure并列，所以用不可数名词motivation"动力"．2-1-c-n-j-y
4．【句意】我认为把用户的错误归咎于工具是不对的．
答案：for，考查固定搭配，根据句
(?http:?/??/?www.21cnjy.com?)意"我认为把用户的错误归咎于工具是不对的．"，可知要填的词为"for"，构成固定搭配blame
sb
for
sth因为某事而责备某人．【版权所有：21教育】
5．【句意】她接受了4万美元的庭外和解．
答案：settlement
考查名词．根据空前的冠词an和形容
(?http:?/??/?www.21cnjy.com?)词out﹣of﹣court可知，此处应用名词单数形式，因为所给的词settle的名词是settlement，故填settlement．
6．【句意】他被解雇了．那是因为他工作不够努力．
答案：because，根据句意"他被解雇了．那是因为他工作不够努力．"，所以用because引导表语从句，表示"因为"．21教育名师原创作品
7．【句意】约翰毫不费力地适应了新环境．
答案：surroundings，
(?http:?/??/?www.21cnjy.com?)考查词性，作宾语，所以用名词surroundings"环境"，surround为动词，surrounding为形容词，当作名词常用复数surroundings．
8．【句意】你只有一次机会留下第一印象
答案：
impression
，考查固定搭配，make
a
first
impression
留下第一印象．
9．【句意】那位著名的歌手被记者包围了．
答案：by，考查固定搭配，根
(?http:?/??/?www.21cnjy.com?)据句意"那位著名的歌手被记者包围了．"，可知要填的词为"by"，构成固定搭配be
surrounded
by被包围．
10．【句意】这意味着他们可以确保高水平的效率
答案：efficiency，考查词性，作宾语，所以用名词efficiency"效率"，为不可数名词，无复数．
二．完形填空
阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。
???
Everyone
wants
(?http:?/??/?www.21cnjy.com?)to
find
happiness
in
life.
No
matter
what
our
circumstances
are,
the
search
for
true
contentment
is
at
the
1
of
everyone's
goals.
???
The
question,
t
(?http:?/??/?www.21cnjy.com?)hen,
is
how?
How
are
we
2
to
even
begin
looking
for
it?
A
group
of
people
gathered
in
a
room
3
a
seminar
about
life
and
happiness
to
learn
to
find
happiness
in
their
4
.
They
were
being
5
various
skills
and
lessons
about
life.
Suddenly,
the
speaker
6
and
started
giving
each
person
a
balloon.
He
asked
everyone
to
write
their
7
?on
it
using
a
pen.
All
the
balloons
were
then
8
and
taken
to
another
room.
???
Now,
these
del
(?http:?/??/?www.21cnjy.com?)egates
were
let
in
that
room
and
asked
to
find
the
balloon
which
had
their
name
9
,
within
5
minutes.
Everyone
was
10
searching
for
their
name,
pushing,
crashing
with
each
other,
and
there
was
a
11
.
No
one
could
find
their
12
within
the
given
five-minute
time
and
they
all
had
to
return
to
the
other
room
with
their
hands
13
.
???
Then
they
(?http:?/??/?www.21cnjy.com?)were
told
to
go
to
the
other
room
and
randomly
choose
a
balloon
and
give
it
to
the
14
whose
name
was
written
on
it.
Within
five
minutes
everyone
was
15
?the
balloon
with
their
name
on
it.
???
The
speaker
began:
(?http:?/??/?www.21cnjy.com?)
This
is
16
happening
in
our
lives.
Everyone
is
hurriedly
looking
for
happiness
all
around,
not
knowing
17
it
is.
Our
happiness
18
the
happiness
of
other
people.
Give
them
their
happiness,
you
will
get
your
19
happiness.
And
this
is
the
20
of
human
life.
1.
A.
bottom
B.
heart
C.
draft
D.
distance
2.
A.
forced
B.
used
C.
supposed
D.
aimed
3.
A.
attending
B.
attempting
C.
accompanying
D.
abusing
4.
A.
contributions
B.
lectures
C.
trips
D.
lives
5.
A.
appointed
B.
taught
C.
guaranteed
D.
adjusted
6.
A.
continued
B.
urged
C.
stopped
D.
resigned
7.
A.
names
B.
addresses
C.
ideas
D.
essays
8.
A.
separated
B.
exchanged
C.
divided
D.
collected
9.
A.
announced
B.
declared
C.
recommended
D.
written
10.
A.
eventually
B.
steadily
C.
wildly
D.
flexibly
11.
A.
mess
B.
potential
C.
threat
D.
disability
12.
A.
rooms
B.
balloons
C.
exits
D.
sections
13.
A.
full
B.
blank
C.
empty
D.
dirty
14.
A.
teacher
B.
speaker
C.
person
D.
agent
15.
A.
pumping
B.
choosing
C.
distributing
D.
carrying
16.
A.
simply
B.
exactly
C.
automatically
D.
nearly
17.
A.
where
B.
who
C.
what
D.
which
18.
A.
results
in
B.
decides
on
C.
dates
from
D.
lies
in
19.
A.
temporary
B.
own
C.
annual
D.
awful
20.
A.
purpose
B.
consequence
C.
search
D.
existence
【答案】
（1）B；（2）C；（3）A；
(?http:?/??/?www.21cnjy.com?)（4）D；（5）B；（6）C；（7）A；（8）D；（9）D；（10）C；（11）A；（12）B；（13）C；（14）C；（15）D；（16）B；（17）A；（18）D；（19）B；（20）A；
21世纪教育网版权所有
【解析】本文是一篇夹叙夹议文，作者主要
(?http:?/??/?www.21cnjy.com?)通过实验，告诉人们寻找幸福的道理，即：给别人带来幸福的同时，也能给自己带来幸福。
（1）考查名词。句意：人人都想在生活中找到幸福。无论情况如何，寻找真正的满足感都是每个人目标的核心。A.
bottom“底部”；B.
heart“心，核心”；C.
draft“草稿”；D.
distance“距离”。根据语境可知是目标的核心。所以选B。
（2）考查动词。句意：问题是我们应该怎样找呢？be
supposed
to
do固定短语，“
应该做某事”，此处表示我们应该怎样找。
所以选C。
（3）考查动词。句意：一群人聚集在一个房间里开了一个关于生活和幸福的研讨会，学习如何在他们的生活中找到幸福。A.
attending“参加”；B.
attempting“企图”；C.
accompanying“陪伴”；D.
abusing“滥用”。故选A。
（4）考查名词。句意：一群人聚集在一个房间里开了一个关于生活和幸福的研讨会，学习如何在他们的生活中找到幸福。A.
contributions“贡献”；B.
lectures“演讲”；C.
trips“旅行”；D.
lives“生活”。根据上文“Everyone
wants
to
find
happiness
in
life.”可知是在生活中找幸福。所以选D。
（5）考查动词。句意：他们学习各种关于生活的技能和课程。A.
appointed“任命”；B.
taught
“教”；C.
guaranteed“担保”；D.
adjusted“调整”。所以选B。
（6）考查动词。句意：突然，讲话者突然停止，开始给每人一个气球。A.
continued“继续”；B.
urged“催促”；C.
stopped“停止”；D.
resigned“辞职”。根据语境“started
giving
each
person
a
balloon”可知前面是停止讲话。所以选C。
（7）考查名词。句意：他要求每个人用钢笔在气球上写上自己的名字。A.
names“名字”；B.
addresses“地址”；C.
idea“想法，观点”；D.
essays“论文”。根据下文“Now,these
delegates
were
let
in
that
room
and
asked
to
find
the
balloon
which
had
their
name
??9?
,within
5
minutes.”可知是写上自己的名字。所以选A。
（8）考查动词。句意：写完名字后，所有的气球被收集起来放到另一间房子里。A.
separated“分离”；B.
exchanged“交换”；C.
divided“分割”；D.
collected“收集”。根据下文去那间房子里找，可知被收集了起来。所以选D。
（9）考查动词。句意：这些代表被要求去那间房子里找写着自己名字的气球。A.
announced“宣告”；B.
declared“宣布”；C.
recommended“建议”；D.
written“写”。根据上文“He
asked
everyone
to
write
their
??7?
?on
it
using
a
pen.”可知是写着自己名字的气球。所以选D。
（10）考查副词。句意：每个人疯狂地找着自己的名字，彼此推搡，碰撞，一片混乱。A.
eventually“最后”；B.
steadily“稳定地”；C.
wildly“疯狂地”；D.
flexibly“灵活地”。根据下文的push，crash可知是疯狂地找着。所以选C。
（11）考查名词。句意：每个人疯狂地找着自己的名字，彼此推搡，碰撞，一片混乱。A.
mess
“混乱”；B.
potential“潜能”；C.
threat“威胁”；D.
disability“残疾”。根据上文“wildly，push，crash”可知是一片混乱。所以选A。
（12）考查名词。句意：没人能在五分钟之内找到自己的气球。A.
rooms“房间”；B.
balloons“气球”；
C.
exits“存在”；D.
sections“部分”。根据下文“they
all
had
to
return
to
the
other
room
with
their
hands
??13?
?.”可知都没找到自己的球球。所以选B。
（13）考查形容词。句意：他们都不得不两手空空回到另一间屋里。A.
full“满的”；B.
blank“
空白的”；C.
empty“空的”；D.
dirty“脏的”。根据上文没有找到，可知是两手空空。所以选C。
（14）考查名词。句意：然后他们被告知去那间屋随便拿一个气球，然后根据名字给它的主人。A.
teacher“老师”；B.
speaker“说话者”；C.
person
“人”；D.
agent“代理”。根据语境，可知是交给气球上标记着名字的人。所以选C。
（15）考查动词。句意：五分钟之内，人人都拿到了自己的气球。A.
pumping“抽水”；?
B.
choosing“选择”；C.
distributing“分发”；D.
carrying“拿着”。根据语境，人们是拿着自己的气球。所以选D。
（16）考查副词。句意：这正是发生在我们生活中的事情。A.
simply“仅仅”；B.
exactly“的确，正是”；C.
automatically“自动地；D.
nearly“几乎”。根据语境，可知说话者是通过实验告诉人们这样的场景真切地发生在我们的生活中。所以选B。
（17）考查连词。句意：人人都在匆忙地寻找幸福，却不知道它在那里。?
?
?
???it
is.是一个宾语从句，引导词在从句中表示“在哪”，根据前文寻找幸福，可知我们不知道它在哪里。所以选A。
（18）考查动词短语。句意：我们的幸福在于别人也幸福。A.
results
in“导致”；B.
decides
on“决定”；C.
dates
from“追溯到”；D.
lies
in“在于”。根据语境，可知幸福在于别人也同样得到幸福。所以选D。
（19）考查形容词。句意：给别人幸福，你会也得到你的幸福。A.
temporary“暂时的”；B.
own“自己的”；C.
annual“每年的”；D.
awful“糟糕的”。根据上文“Our
happiness
??18?
the
happiness
of
other
people.”可知给别人幸福，也能得到自己的幸福。所以选B。
（20）考查名词。句意：这就是人生的?目的。A.
purpose“目的”；B.
consequence“后果”；C.
search“研究”；D.
existence“存在”。根据语境，可知此处表示人生的目的是给别人幸福，自己也能幸福。所以选A。21教育网
3．语法填空
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
??
?Are
zoos
necess
(?http:?/??/?www.21cnjy.com?)ary,
________?are
they
only
bad
to
the
animals?
This
is
a
question
________?causes
disagreement
among
many
animal
experts.
Some,
we
may
just
call
them
Group
A,
believe
that
________?(place)
animals
in
a
zoo
does
harm
to
them.
These
people
think
that
all
animals
should
be
protected
from
being
hunted
too
much
and
________?(leave)
in
their
native
land.
They
also
advise
people
to
________?(educate)
to
know
more
about
animals
in
the
wild.
Other
experts
of
Group
B
think
________?(different).
They
say
modern
zoos
are
designed
very
closely
to
the
natural
environment.
One
of
their
________?(strong)
arguments
is
that
certain
species,
as
the
panda
from
China
and
the
white
tiger
from
India
________.
(be)
not
only
protected
from
uncontrolled
killing
but
can
give
babies
under
________?(protect)
and
in
that
way
they
may
be
saved
________?dying
out.www.21-cn-jy.com
【答案】
or；that；placing；l
(?http:?/??/?www.21cnjy.com?)eft；be
educated；differently；strongest；are；protection；from
2·1·c·n·j·y
【解析】本文是一篇议论文。动物园是
(?http:?/??/?www.21cnjy.com?)必要的，还是只对动物有害?所谓的A组专家和B组专家持有不同的看法。
（1）考查连词。句意：动物园是必要的，还是只对动物有害?此处是一个选择疑问句，故填or。
（2）考查定语从句。句意：这是一个引起许多动物专家争论的问题。?
?
?
?
???causes
disagreement
among
many
animal
experts是一个限制性定语从句，先行词是是a
question,在主句中作表语，在从句中作主语，因此用关系代词that，故填that。
（3）考查非谓语动词。句意：把动物放在动物园里对它们有害。此处是动名词作主语，故填placing。
（4）考查非谓语动词。句意：这些人认为所有的动物都应该受到保护，不应该被过度捕杀，不应该被留在自己的祖国。protect---from
doing
sth.“保护---免遭---的伤害”，此处hunted和leave并列，是动名词一般式的被动式being
done结构，故填left。
（5）考查非谓语动词。句意：他们还建议人们接受教育，更多地了解野生动物。advise
sb.
to
do
sth.固定短语，“建议某人做某事”，此处是动词不定式一般式的被动式作宾语补足语，故填be
educated。
（6）考查副词。句意：B组的其他专家持不同看法。此处是副词修饰动词，故填differently。
（7）考查形容词。句意：他们最有力的论据之一就是某些物种。此处形容词最高级作定语，故填strongest。
（8）考查主谓一致和语态。句意：来自中国的熊猫和来自印度的白虎不仅受到不受控制的杀戮的保护，而且可以在保护下产下幼崽，这样它们就可以免于灭绝。此处是一般现在时态的被动语态，主语是the
panda
from
China
and
the
white
tiger
from
India，是复数形式，故填are。
（9）考查名词。句意：来自中国的熊猫和来自印度的白虎不仅受到不受控制的杀戮的保护，而且可以在保护下产下幼崽，这样它们就可以免于灭绝。under
protection固定短语，“受保护”，故填protection。
（10）考查介词。句意：来自中国的熊猫和来自印度的白虎不仅受到不受控制的杀戮的保护，而且可以在保护下产下幼崽，这样它们就可以免于灭绝。protect---from
doing
sth.固定短语，“保护......免遭.....的伤害”，故填from。
四．改错
People
always
speak
t
(?http:?/??/?www.21cnjy.com?)hat
time
is
money．
So
I
think
time
is
more
value
than
money．
If
you
lose
money，
you
can
earn
some
by
making
efforts．
But
if
that
you
have
lost
is
time，
you
can
never
regain．
Many
students
tell
me
that
they
don't
have
enough
time
to
study
for．
It's
because
we
have
spent
too
much
time
playing
games，
watching
TV
or
doing
other
useless
thing．
Now，
as
a
teenager，
you
should
make
a
best
use
of
time
and
devote
you
to
your
studies．
【分析】本文讨论了时间的重要性．虽然时
(?http:?/??/?www.21cnjy.com?)间就是金钱，但是时间更宝贵，因为时间过去了，就再也回不来了．所以作为一个青少年，你应该充分利用时间来学习．【来源：21·世纪·教育·网】
【解答】People
al
(?http:?/??/?www.21cnjy.com?)ways
speak
that
time
is
money．So
I
think
time
is
more
value
than
money．If
you
lose
money，you
can
earn
some
by
making
efforts．But
if
that
you
have
lost
is
time，you
can
never
regain∧．Many
students
tell
me
that
they
don't
have
enough
time
to
study
for．It's
because
we
have
spent
too
much
time
playing
games，watching
TV
or
doing
other
useless
thing．Now，as
a
teenager，you
should
make
a
best
use
of
time
and
devote
you
to
your
studies．21
cnjy
com
解析
1．speak改为say．考查
(?http:?/??/?www.21cnjy.com?)动词辨析．speak
只能用于说某种语言，而表示说什么话，应该用say．所以修饰that
time
is
money应该用say．
2．So改为But．考查连词．I
think
time
is
more
value
than
money表示"我认为时间比金钱更有价值"【来源：21cnj
y.co
m】
，和上句是转折关系，所以用But．
3．value改为valuable．考查派生词．做表语，表示"有价值的"用形容词valuable．value是名词．21·cn·jy·com
4．that改为what．考查主语从句．引导主语从句you
have
lost，做从句的主语，用what，表示"你已经丢失的东西"．【出处：21教育名师】
5．regain后加it．考查代词．做regain的宾语，代指
time，用it．
6．去掉for．考查介词．本句表示"他们没有足够的时间学习"，所以不及物动词study没有宾语，所以去掉for．
7．we改为they．考查代词．代指上句的Many
students，用they．
8．thing改为things．考查名词．根据修饰词other
可知用可数名词thing的复数things．21
cnjy
com
9．a改为the．考查冠词．固定短语make
the
best
use
of
表示"充分利用"，所以．a改为the．
10．you改为yourself．考查反身
(?http:?/??/?www.21cnjy.com?)代词．devote
oneself
to
表示"奉献于，专心于"，所以用you的反身代词yourself．
21世纪教育网
www.21cnjy.com
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