每Dssp
语法纸
Day49语法专练【解析】
l.答案：A解析：“Although''表示“虽然，尽管”，引导让步状语从句。此句中Shanghai is known as 'the shopping
paradise'”(上海被称为购物天堂”)和I love it for its food”(我因为它（上海）的食物而喜欢它)之间存在让步
关系，即尽管上海有购物天堂的美誉，但我”喜欢它是因为食物，所以用“A1 though'”合适。“As long as'”意为“只要”；
“Since'有“自从；因为等意思；“Unless”表示“除非”，均不符合语境
2.答案：C解析：“unless'”表示“除非，如果不”，引导条件状语从句。句子意思是“大学生们不会去参加毕业旅行，
除非他们为这次旅行筹集到足够的钱”，即如果没有筹集到足够的钱，就不会去旅行，符合unless'”的用法。“if'
表示“如果”；because'表示因为”；“when表示“当.…时候”，均不符合句子逻辑。
3.答案：C解析：“anless'意思是除非，如果不”，引导条件状语从句。此句表达除非我们有清晰的头脑，否则
我们无法判断来自人工智能的信息是否正确”，即没有清晰头脑这个条件，就无法做出判断，“anless'”符合语境。
'after'表示“在.…之后”；“because'”表示“因为”；since有自从；因为等意思，均不正确
4.答案：D解析：“though'”表示“虽然，尽管”，引导让步状语从句。句子“Sam is still hard-working though he has
achieved great success'"意思是“尽管山姆已经取得了巨大的成功，但他仍然很努力”，存在让步关系，所以用
though”。“if'表示“如果”；“since'”有“自从；因为”等含义；“until”表示“直到”，均不符合句意
5.答案：B解析：“so that"表示以便，为了”，引导目的状语从句。此句中The robber wore a sock over his face'
(强盗在脸上套了一只袜子)的目的是he wouldn't be recognized by the security cameras'”(他不会被安全摄像头
认出来)，所以用so that'”。“although”表示“虽然，尽管”；“because”表示“因为”；“unless'”表示“除非”，均不符合
句子逻辑。
6.答案：D解析：if表示“如果”， 引导条件状语从句。句子If you enjoy a book,it doesn't matter if you're reading
it for the first time or the fifth'意思是“如果你喜欢一本书，那么你是第一次读还是第五次读都无所谓'，符合if引
导条件状语从句的用法。Unless'”表示除非”；Unti表示“直到”；Because'”表示因为”，均不符合语境。
7.答案：C解析：“if'表示“如果”，引导条件状语从句，此句You won't have a chance to win the contest if you don't
prepare enough'意思是“如果你准备不充分，你就没有机会赢得比赛”，即不准备充分这个条件会导致没有机会赢
比赛，“if符合语境。unless'表示除非”；“though表示“虽然，尽管”；“after”表示“在…之后”，均不正确。
8.答案：C解析：when表示“当..…时候”，引导时间状语从句。句子It was an exciting moment for Mr.and Mrs
Wang when they learned they were going to have a baby"意思是“当王先生和王太太得知他们将要有孩子时，那是
个令人兴奋的时刻'，强调在得知有孩子这个时间点上的感受，“when”符合语境。“whether”表示“是否”；“although
表示“虽然，尽管”；unless'”表示“除非”，均不符合句意
9.答案：D解析：“After"引导时间状语从句，从句中“went是一般过去时，根据语境，吃晚饭这个动作发生在
去花园散步之前，是“过去的过去”，所以要用过去完成时“had eaten”。“is eating”是现在进行时；“eats”是一般现
在时；“will eat'”是一般将来时，均不符合时间顺序。
l0.答案：D解析：“in order that"表示以便，为了”，引导目的状语从句，后面接句子。“Speak loudly in order that
I can hear you'”意思是“大声说话以使我能听到你（说的话）”，符合语境。if表示“如果”；“in order to'"表示“为了
后面接动词原形；when”表示当.…时候”，均不符合要求。
11.答案：D解析：“although”表示“虽然，尽管，引导让步状语从句。句子Jane's research paper isn't up to standard
although she has worked at it for two weeks'"意思是“尽管简已经为她的研究论文努力了两周，但她的论文仍未达到
标准”，存在让步关系，所以用“although”。“since”有“自从；因为”等意思；“unless'表示“除非”；“if”表示“如果”，
均不符合句意。
12.答案：A解析：“as long as'”表示“只要”，引导条件状语从句。“We will make fewer mistakes as long as we are
careful enough ”意思是“只要我们足够小心，我们就会犯更少的借误”，符合语境。“so that'”表示“以使，为了”；as
far as'”表示“就.…而言”；“even if表示“即使，尽管”，均不符合句子逻辑。每Dsp
【语法纸
Day49连词的基本用法(2)
引导目的、让步、方式状语从句
引导时间、条件状语从句
1,引导目的状语从句的从属连词
1.引导时间状语从句的从属连词
so that/in order that意为“为了..”.
(I)before意为“在.…之前”，after意为在.…之后”.
e.g.He got up early so that he could catch the first bus.他c.g.Wash your hands before you eat.吃饭前要洗手.
起得很早，以便能赶上第一班公交车。
(2)when与while意为“当..时”，when后可加延续
She studies hard in order that she can get good grades.她性或非延续性动词；while后只能加延续性动词，常与
努力学习，为了能取得好成绩.
进行时连用。
2.引导让步状语从句的从属连词
e.g.When the bell rang,the students stopped talking.
though/.although意为“尽管”，不能与but连用；cvcn铃一响，学生们就不说话了.
though/even if意为即使；虽然。
2.引导条件状语从句的从属连词
c.g.Although it was raining heavily,he still went to school(1)if意为“果'；unless意为“除非”.
on time.尽管雨下得很大，他仍然按时上学。
c.g.Youill fail the cxam unless you study hard.除非你
Even if he fails this time,he will never give up.即使他这努力学习，否则你会考试不及格.
次失败了，他也不会放弃。
(2)as/s0 long as意为“只要”，
3.引导方式状语从句的从属连词
e.g.You can borrow my book as long as you promise to
(1)as意为“按照…方式”.
return it on time.只要你保证按时归还，就可以借我的书.
e.g.He writes as his teacher does.他写得像他的老师
三、引导名词性从句：名词性从句可分为主语从句、宾
样。
语从句、表语从句和同位语从句，其从属连词主要有
(2)as if/though意为“似乎；好像”.
that,if,whether等.
e.g.She talks as if she knew everything.她说话好像她什c.g.Idon't know whether he will be here tomorrow.我不
么都知道。
知道他明天是否会在这里，
一沿虫戏对所.上记活法下练超
Day49
语法专练
姓名：
日期：
耗时：
、
单项选择
Shanghai is known as"the shopping paradise",I
7.You won't have a chance to win the contest
you
love it for its food.
don't prepare enough.
A.Although
B.As long as C.Since
D.Unless
A.unless
B.though
C.if
D.after
2.1
The college students won't go on the graduation trip
8.It was an exciting moment for Mr.and Mrs.Wang
they raise enough money for it.
they learned they were going to have a baby.
A.if
B.because
C.unless
D.when
A.whether
B.although
C.when
D.unless
3.We can't judge if the information from AI is right
9.After Frank
the dinner,he went for a walk in the
we have a clear mind.
garden with his family.
A.after
B.because
C.unless
D.since
Ais eating
B.eats
C.will eat
D.had eaten
4.Sam is still hard-working
he has achieved great10.Speak loudly
I can hear you.
success.
A.if
B.in order to
C.when
D.in order that
A.if
B.since
C.until
D.though
11.Jane's research paper isn't up to standard
she
5.The robber wore a sock over his face
he i has worked at it for two weeks.
wouldn't be recognized by the security cameras.
A.since
B.unless
C.if
D.although
A.although B.so that C.because
D.unless
12.We will make fewer mistakes
we are careful
you enjoy a book,it doesn't matter if you're
enough.
reading it for the first time or the fifth.
A.as long as
B.so that
A.Unless
B.Until
C.Because
D.If
C.as far as
D.even if
