2023年中考英语一轮复习必考点10 从属连词

这是一份2023年中考英语一轮复习必考点10 从属连词，共17页。

考点10 从属连词


1．（2022·内蒙古·中考真题）—Too much work has made me tired these days, Mrs. Gao.
—That’s true. But a small tree won’t grow into a big one ________ it experiences lots of winds and rains.
A．if B．because C．when D．unless
【答案】D
【解析】句意：——高老师，这些天作业太多了，我都累了。——确实。但是一棵小树不会成长为一棵大树，除非它经历了很多风雨。
考查连词辨析。if如果，引导条件状语从句；because因为，引导原因状语从句；when当……时，引导时间状语从句；unless除非，引导条件状语从句。分析句子可知，此处表示“但是一棵小树不会成长为一棵大树，除非它经历了很多风雨”的含义，强调“除非”，用于句中引导条件状语从句。故选D。
2．（2022·青海·统考中考真题）Chinese people were so excited ________ the Shenzhou-13 was successfully launched into space.
A．when B．why C．how
【答案】A
【解析】句意：当神舟十三号成功发射进入太空时，中国人非常兴奋。
考查从属连词辨析和when引导时间状语从句。when当……时；why为什么；how如何。根据“Chinese people were so excited...the Shenzhou-13 was successfully launched into space.”可知，当神舟十三号成功发射进入太空时，人们很兴奋，用when引导时间状语从句。故选A。

从属连词的用法概览
从属连词
用法及例句
that
用于引导宾语从句，引导从句时无意义，常省略。
He told me（that）he won’t be late.
他告诉我说他不会迟到的。
though/although (虽然，尽管)，
even if/though (即使)
可用于引导让步状语从句，though/although 不能与but连用。
Though he has a cold,he still goes to school.
=He has a cold,but he still goes to work.
尽管他感冒了，他仍然去上学了。
if, whether (...or not)(是否)
可用于引导宾语从句，不可省略。
I don’t know whether it will rain or not today.
我不知道今天会不会下雨。
if (如果)，
unless (除非；如不)，
as long as(只要)
引导条件状语从句。
Thought he is very old, he still teaches himself English.
尽管他年龄很大，他仍然自学英语。
because (因为)，
as (鉴于;由于)，
since(由于，既然)
用于引导原因状语从句。
I don’t want to go outside because I am too tired.
我不想外出因为我太累了。
so...that, such...that
(如此……以至于……)
可用于引导结果状语从句。
The scenary here is so beautiful that I don’t want to leave.
这儿的风景太美了，以至于我不想离开了。
since自从，until/till直到，after在……之后，before在……之前，when当……时候，while当……时侯，as soon as一……就……，whenever无论何时
用于引导时间状语从句。
When I arrived there, it was raining.
当我到那里时，天正在下雨。
as if/as though (仿佛；好像)
It seems as if it is going to rain.
好像将要下雨了。
so that（以便），
in order that（为了）
in case(以防)
I get up early so that I won’t be late for class.
我起得很早，这样我上课不会迟到。
as...as...(和……一样……)，
not so/as...as... (和……不一样……)
用于引导比较状语从句。
He is as smart as his brother.
他和他的哥哥一样聪明。
易错提示
because, since, as
连词
意义
例句
because
表示造成某种情况的直接原因，语气最强，常用来回答由why引导的问句，其从句的位置通常在主句的后面。
He has to leave because it is too late.
因为太晚了，他不得不走。
since
since语气比as稍强，不表示直接的或根本的原因，而是一种已知的或非常显然的理由，since引导的从句通常位于主句之前。
Since everyone is here, let’s start.
既然大家到齐了，我们就出发吧！
as
as是从属连词，表示原因时，语气最弱，所说的原因比较明显或是已知的事实，它引导的从句一般位于主句之前。
We all like her as she is kind.
我们都喜欢她，因为她善良。

基础练
1．________ the sun was shining, it wasn’t very warm today.
A．Since B．When C．If D．Although
2．You can catch the first train to Nanjing ________ you can get up early enough.
A．if B．because C．although D．unless
3．We will never achieve our dreams ________we study really hard.
A．if B．unless C．when D．after
4．—Learning to love is like learning to walk.
—Yes. ________ we step out bravely, we’ll find it’s not so difficult.
A．As soon as B．Even though C．As long as
5．I’ll call you _______ I find out what time the meeting starts.
A．until B．as soon as C．so
6．Brian was making salad _______ Charles was playing golf.
A．during B．when C．while
7．Go down the road _________ you get to Baolong Square.
A．but B．or C．until
8．Mr Wang asks us to watch the news every day ________ we can find out what’s going on around the world.
A．while B．though C．so that D．as soon as
9．The students are dancing happily ________ I pass the school hall.
A．when B．if C．or
10．Peter likes reading a newspaper ________ he is having breakfast.
A．until B．while C．so that D．though
11．—Labor（劳动）education is important for students’ development.
—Yes. ________ schools put it into practice, students will be more independent and confident.
A．While B．Unless C．If
12．China’s Got Talent is _________ interesting _________ many people like watching it.
A．too; to B．so; that C．such; that D．enough; to
13．Don’t get off the bus ________ it stops.
A．after B．when C．if D．till
14．________ you are leaving tomorrow, we can eat out together this evening.
A．While B．Since C．Unless D．Although
15．Kung Fu Panda II is ________ interesting ________ I would like to see it again.
A．such; that B．too; to
C．as; as D．so; that
提升练
一、单项选择
1．— Mom, may I surf the Internet now?
— No, ________ you have finished your homework.
A．unless B．if C．because
2．How time flies! Four years ________ passed since I ________ to our Middle School.
A．is; come B．has; came C．has; have come
3．________ there are difficulties ahead of us, we won’t give up trying.
A．Although B．Through C．Because
4．—I want to go to Wanda Mall later on. Will you please give me a lift, Jessica?
—With pleasure. ________ I finish the work, I’ll call you to go.
A．As soon as B．Unless C．Although
5．— Learning to love is like learning to walk.
— Yes, _______ we step out bravely, we’ll find it’s not so difficult.
A．unless B．as long as C．even though
6．—Never wast time wondering if you ________ a good future.
—Just work hard. If we keep trying your best to study, we ________ it.
A．have, make B．will have, will make C．have, will make
7．—Why do you like this brand of fridge?
—________ it’s a little expensive, the machine is environmentally friendly and requires less electricity.
A．Before B．Because C．Though
8．—Mom, I took my partner’s math book home by mistake. What should I do?
—Well, you should call her ________ you can say sorry to her.
A．as long as B．so that C．even though
9．Many Olympic Games players’ winning experience tells us students that we should run after our dreams ________ there may be only hope now.
A．as long as B．even though C．as far as
10．There may be some difficulties when you prepare for the high school entrance examination. But I think you should keep on working ________ you achieve your goal.
A．when B．until C．as long as
11．It is ________ an exciting movie ________ I would like to see it again.
A．such, that B．too, to C．too, that D．so, that
12．—I argued with my best friend Cindy. What should I do?
—Well, you should call her ________ you can say sorry to her.
A． as if B．even though C．so that D．as long as
二、句型转换
13．Everyone won’t succeed in realizing his dream if he doesn’t try his best. (改为同义句)
Everyone won’t succeed in realizing his dream ________ he _________ his best.
14．Plant the seeds in the soil, and they will grow. （保持句意基本不变）
________ ________ plant the seeds in the soil, they will grow.
15．The students were too tired to stay awake in class.（保持句意基本不变）
The students were ________ tired that they ________ stay awake in class.
16．Jack’s mother came back. Jack began to do his homework.（保持句意基本不变）
Jack ________ begin to do his homework ________ his mother came back.
17．We have to wear hats to protect us from the sun. (改为同义旬)
We have to wear hats ________ ________ we can protect us from the sun.
18．Linda kept practicing so that she could remember all the lines in the play. (保持基本句意不变)
Linda kept practicing ________ ________ to remember all the lines in the play.
19．You will succeed, if you study hard. (用unless改写句子)
________ you study hard, you ________ succeed.
20．Ben was helping his mom cook dinner. The rain beat against the windows.（合并为一句）
______________________________________________________
21．Suzy is a good storyteller. She can write exciting scripts. (合并为一句)
Suzy is ________ a good storyteller  ________she can write exciting scripts.
真题练
1．（2022·西藏·统考中考真题）Chinese soldiers often help people in trouble, ________ they know it is dangerous.
A．so B．although C．but D．because
2．（2022·西藏·统考中考真题）Gu Ailing worked ________ hard ________ she got excellent achievements at the Beijing 2022 Winter Olympic Games.
A．not only … but also B．such ... that C．not ... until D．so … that
3．（2022·山东东营·统考中考真题）You won’t be allowed to enter the school _________ your temperature is higher than normal.
A．if B．until C．though D．unless
4．（2022·山东青岛·统考中考真题）As a policeman, Tom’s father is too busy to play with him __________ he expects to.
A．even though B．so that C．as soon as D．as long as
5．（2022·江苏盐城·统考中考真题）We’ll have a picnic in the park this Sunday ________ there is a heavy rain.
A．whether B．unless C．since D．because
6．（2022·江苏南通·统考中考真题）Mary is good at writing. I am sure she’ll get a good place ________ she takes part in the writing competition.
A．before B．if C．though D．unless
7．（2022·吉林长春·统考中考真题）I didn’t understand my mom’s love ________ we had a long talk.
A．until B．if C．since D．because
8．（2022·辽宁抚顺·统考中考真题）—The TV play a lifelong Journey (《人世间》) is wonderful.
—I think so. I want to enjoy it again ________ I’ve watched it once.
A．until B．since C．though D．if
9．（2022·辽宁丹东·统考中考真题）— Can we win the basketball game tomorrow?
— Of course, _______ we try our best.
A．if B．or C．unless D．though
10．（2022·广西梧州·统考中考真题）In 2020, many doctors went to Wuhan to help the patients, ________ they knew it was dangerous.
A．until B．although C．before D．unless
11．（2022·广西百色·中考真题）I don’t know if it _________ tomorrow, but if it _________, I’ll stay at home.
A．will rain; rains B．will rain; will rain C．rains; will rain D．rains; rains
12．（2022·辽宁·统考中考真题）Teenagers should do some housework ________ they finish their homework.
A．until B．but C．after D．unless
13．（2022·黑龙江绥化·统考中考真题）—The big stone is ________ heavy ________ I can’t carry it alone.
—Don’t worry. I will help you.
A．such; that B．so; that C．too; to
14．（2022·黑龙江·统考中考真题）The Battle of Changjin Lake is ________ wonderful movie ________ I want to see it again.
A．such a: that B．so; that C．such an; that


















基础练
1．D
【详解】句意：虽然阳光灿烂，但今天不太暖和。
考查连词辨析。Since自从；When当……时候；If如果；Although虽然，尽管。“the sun was shining”表示让步，阳光灿烂却还不太暖和，用Although引导让步状语从句。故选D。
2．A
【详解】句意：如果你能起得足够早，你就能赶上去南京的第一班火车。
考查连词辨析。if如果；because因为；although尽管；unless除非。根据“You can catch the first train to Nanjing...you can get up early enough.”可知后句是前句的条件，应用if引导条件状语从句。故选A。
3．B
【详解】句意：除非我们努力学习，否则我们永远不会实现我们的梦想。
考查连词辨析。if如果；unless除非；when当……时； after……之后。根据“We will never achieve our dreams … we study really hard.”可知，此处表示除非努力学习否则不能实现梦想，应用unless引导条件状语从句。故选B。
4．C
【详解】句意：——学会爱就像学会走路。——是的。只要我们勇敢地走出去，我们会发现它并没有那么难。
考查连词辨析。As soon as一……就……；Even though即使；As long as只要。根据“...we step out bravely, we’ ll find it’s not so difficult.”可知，只要我们勇敢地走出去，我们会发现学会爱并没有那么难，此处应用as long as引导条件状语从句。故选C。
5．B
【详解】句意：我一查明会议什么时候开始就给你打电话。
考查连词。until直到；as soon as一……就……；so所以。根据“I’ll call you ... I find out what time the meeting starts.”可知，此处表示一查明会议什么时候开始就给你打电话，主句是一般将来时，从句是一般现在时，因此用as soon as引导时间状语从句，故选B。
6．C
【详解】句意：Brain正在做沙拉时，Charles在玩高尔夫。
考查连词辨析。during在……期间；when当……时；while当……时。根据“Charles was playing golf.”时进行时态，故可知要用while。故选C。
7．C
【详解】句意：沿着这条路一直走到宝龙广场。
考查连词辨析。but但是；or或者；until直到。根据“Go down the road...you get to Baolong Square.”可知要沿着这条路一直走，才能到宝龙广场。故选C。
8．C
【详解】句意：王老师让我们每天看新闻，这样我们就可以了解世界各地发生的事情。
考查连词辨析。while与……同时；though虽然；so that以便于；as soon as一……就。根据“Mr Wang asks us to watch the news every day”与“we can find out what’s going on around the world.”可知，每天看新闻的目的是了解世界发生的事，用so that引导目的状语从句。故选C。
9．A
【详解】句意：当我经过学校礼堂时，学生们正在快乐地跳舞。
考查连词辨析。when当……时；if如果；or或者。根据“The students are dancing happily”和“I pass the school hall.”可知此处引导时间状语从句，故选A。
10．B
【详解】句意：彼得喜欢在吃早餐的时候看报纸。
考查连词辨析。until直到；while当……的时候；so that为了；though尽管。根据“he is having breakfast.”可知当彼得吃早饭的时候，他喜欢看报纸。应用while引导时间状语从句。故选B。
11．C
【详解】句意：——劳动教育对学生的发展很重要。——是的。如果学校将其付诸实践，学生将更加独立和自信。
考查连词辨析。While当……时；Unless除非；If如果。由于“schools put it into practice”是“students will be more independent and confident”的肯定条件，故应用If引导条件状语从句。故选C。
12．B
【详解】句意：《中国达人秀》是如此有趣以至于许多人喜欢看它。
考查短语辨析。too...to太……而不能，to后续动词原形；so...that如此……以至于，so修饰形容词或副词，that后续结果状语从句；such...that如此……以至于，such修饰名词，that后续结果状语从句；enough...to do sth.做某事足够怎样了，to后续动词原形。根据“many people like watching it”可知A和D选项不符合语境，而由“interesting”为形容词可知此处应用so修饰，故选B。
13．D
【详解】句意：公共汽车停下之前别下车。
考查连词辨析。after在……之后；when当……的时候；if如果；till直到。根据“Don’t get off the bus...it stops.”可知，不要下车直到车停下来，not...till 意为“直到……才”。故选D。
14．B
【详解】句意：既然你明天就要走了，我们今晚可以一起出去吃饭。
考查从属连词辨析。While当……时；Since既然；Unless除非；Although虽然。根据“...you are leaving tomorrow, we can eat out together this evening.”可知，此处强调原因，用since引导的原因状语从句。故选B。
15．D
【详解】句意：《功夫熊猫2》太有趣了，我想再看一遍。
考查从属连词辨析。such…that…那样的……以致；too…to…太……以致不能……；as…as…像……一样的……；so…that…如此……以致……。根据“interesting”和“I would like to see it again”可知，此句表示电影太有趣，以致于想再看一遍，说明此处应用so+形容词+that引导结果状语从句。故选D。
提升练
1．A
【详解】句意：——妈妈，我现在可以上网吗？——不，除非你已经完成了你的作业。
考查连词辨析。unless除非；if如果；because因为。根据回答“No”以及“you have finished your homework”可知，完成了作业才可以上网。unless表示“除非”，相当于if…not。故选A。
2．B
【详解】句意：时间过得真快！自从我来到我们的中学，四年过去了。
考查时态。根据“since”可知主句用现在完成时，从句用一般过去时。故选B。
3．A
【详解】句意：虽然我们面前有困难，但我们不会放弃努力。
考查单词辨析。Although虽然；Through穿过；Because因为。根据“…there are difficulties ahead of us, we won’t give up trying.”可知，此处表示让步，应该用although引导让步状语从句。故选A。
4．A
【详解】句意：——我想稍后去万达购物中心。杰西卡，麻烦你载我一程好吗？——荣幸之至。我一完成工作，就打电话叫你出发。
考查从属连词辨析。As soon as一……就……；Unless除非；Although虽然，尽管。根据“I finish the work, I’ll call you to go.”可知此处表示一完成工作就出发，应用as soon as引导时间状语从句。故选A。
5．B
【详解】句意：——学习爱就像学习走路。——是的，只要我们勇敢地迈出脚步，我们将发现它并不是如此困难。
考查连词辨析。unless除非；as long as只要；even though尽管。根据“we step out bravely”和“we’ll find it’s not so difficult”可知应是只要勇敢的迈出脚步，就会发现并不难，用as long as引导条件状语从句。故选B。
6．B
【详解】句意：——不要浪费时间思考你是否会有一个美好的未来。——努力工作。如果我们继续努力学习，我们会成功的。
考查时态。第一处是if引导的宾语从句，时态是一般将来时，排除AC；第二处是if引导的条件状语从句，遵循“主将从现”原则，主句用一般将来时。故选B。
7．C
【详解】句意：——你为什么喜欢这个牌子的冰箱？——虽然这台机器有点贵，但它对环境友好，耗电量也少。
考查连词辨析。Before在……之前；Because因为；Though虽然。根据“it’s a little expensive, the machine is environmentally friendly and requires less electricity.”可知，两句之间是让步关系，应用though引导让步状语从句，故选C。
8．B
【详解】句意：——妈妈，我错把我搭档的数学书带回家了。我该怎么办？——嗯，你应该打电话给她，这样你就可以向她道歉了。
考查连词辨析。as long as只要；so that为了，以便；even though即使。根据“I took my partner’s math book home by mistake.”和“Well, you should call her...you can say sorry to her.”可知，“我”错拿搭档的书了，所以“我”打电话给她是为了道歉，此处应用so that引导目的状语从句。故选B。
9．B
【详解】句意：许多奥运选手的获胜经验告诉我们学生应该追逐我们的梦想，即使现在可能只有希望。
考查连词辨析和让步状语从句。as long as只要，与……一样长；even though尽管，即使；as far as就……来说，像……那样远。“Many Olympic Games players’ winning experience tells us students that we should run after our dreams”与“there may be only hope now”是让步关系，用even though引导让步状语从句，故选B。
10．B
【详解】句意：当你为高中入学考试做准备时可能有一些困难。但是我认为你应该坚持学习直到你实现目标。
考查连词辨析。when当……时；until直到；as long as只要。根据“I think you should keep on working”和“you achieve your goal”可知应是直到目标实现，故选B。
11．A
【详解】句意：这是一部激动人心的电影，我很想再看一次。
考查结果状语从句。根据句意可知，空格处应表达“如此……以至于……”之意，such...that...和so...that...均可表达此意，区别在于such后跟名词短语，而so后跟形容词或副词；根据第一个空格后的“an exciting movie”可知，此处为名词短语，所以空格处应填such...that...。故选A。
12．C
【详解】句意：——我和我最好的朋友辛迪吵架了。我该怎么办？——你应该给她打个电话，跟她说声对不起。
考查连词辨析。as if似乎；even though即使；so that以便；as long as只要。根据“you should call her… you can say sorry to her”可知，打电话的目的是为了说对不起，so that引导目的状语从句，故选C。
13．     unless     tries
【详解】句意：如果不尽力，每个人都不会成功实现自己的梦想。此句也可表达为“除非尽最大努力，否则每个人都不会成功实现自己的梦想。”，unless“除非，如果不”，和“if…not”意思相同，if…doesn’t要用unless替换；原句“doesn’t”可知原句时态为一般现在时，此句时态应为一般现在时，unless表示否定的意思，句中的动词应用肯定形式，主语是“he”，谓语动词应用三单形式，try的三单是tries。故填unless；tries。
14．     If     you
【详解】句意：把种子种在土壤里，它们就会生长。“把种子种在土壤里”是“生长”的条件，用if引导条件状语从句，主语用第二人称you，故填If；you。
15．     so     couldn’t
【详解】句意：学生们太累了，在课堂上无法保持清醒。原句为一般过去时，其中too...to...表示“太……而不能……”，在同义句中可以用so...that...来替换，表示“如此……以致于……”，同义句的从句中应使用否定形式，且应为过去式，因此为couldn’t。故填so；couldn’t。
16．     didn’t     until
【详解】句意：杰克的母亲回来了。杰克开始做作业。可以改为until引导的状语从句，not…until“直到……才”，即“杰克直到他妈妈回来才开始做作业”，本句为一般过去时，第一个空使用didn’t。故填didn’t；until。
17．     so     that
【详解】句意：我们必须戴帽子以保护我们免受太阳的伤害。原句中“to protect us from the sun”是动词不定式作目的状语，也可用“so that以便，这样”引导的从句来表达。故填so；that。
18．     in/so     order/as
【详解】句意：琳达不断练习以便能记住剧中所有的台词。so that引导目的状语从句，意为“以便”。in order to和so as to均可引导目的状语从句，表示“为了，以便”。根据题干中的“to remember all the lines in the play”可知，空处应为in order或so as。故填in/so；order/as。
19．     Unless     won’t
【详解】句意：如果你努力学习，你就会成功。“unless”译为“如果不”，转换成“如果你不努力学习，你就不会成功”。“unless”引导条件状语从句，遵循主将从现的原则，从句引导词用“unless”，注意首字母大写，后面主句用将来时，注意否定形式，应该是“won’t”，故填Unless；won’t。
20．Ben was helping his mom cook dinner when the rain beat against the windows.
【详解】根据句型Sb was doing sth when+一般过去时的句子，此处表示当雨拍打着窗户时，本正在帮助他的妈妈做晚饭。故填Ben was helping his mom cook dinner when the rain beat against the windows.
21．     such     that
【详解】句意：苏西是一个很棒的讲故事的人，她可以写出令人兴奋的稿子。
此题要求把两句合并为一句话。前一句是因，后一句是果，a good storyteller是一个名词，所以可以用引导结果状语从句的such…that 连接。故答案为such；that。

真题练
1．B
【详解】句意：中国士兵经常帮助有困难的人，尽管他们知道这很危险。
考查连词辨析。so因此；although尽管；but但是；because因为。“Chinese soldiers often help people in trouble”与“they know it is dangerous”是让步关系，用although引导让步状语从句，故选B。
2．D
【详解】句意：谷爱凌非常努力，在北京2022年冬奥会上取得了优异的成绩。
考查短语辨析。not only…but also不但……而且……；such... that如此……以至于……；not... until直到……才；so…that如此……以至于……。根据“hard”可知，是副词，用so修饰，故选D。
3．A
【详解】句意：如果你的体温高于正常值，你就不能进入学校。
考查连词 。if如果；until直到；though虽然；unless除非。根据“You won’t be allowed to enter the school”以及“your temperature is higher than normal.”可知，两句之间是条件关系，如果温度不正常就不能进学校，应用if引导条件状语从句，故选A。
4．A
【详解】句意：作为一名警察，汤姆的父亲太忙了，没有时间和他一起玩，尽管他想和他一起玩。
考查连词辨析。even though尽管；so that以便；as soon as一……就……；as long as只要。根据“Tom’s father is too busy to play with him...he expects to.”可知前后句是让步关系，应用even though引导让步状语从句，故选A。
5．B
【详解】句意：除非下大雨，否则这个星期天我们将在公园野餐。
考查连词辨析。whether是否；unless除非；since自从；because因为。根据“We’ll have a picnic in the park this Sunday … there is a heavy rain.”可知，除非下雨，否则就回去野餐，故选B。
6．B
【详解】句意：玛丽擅长写作。如果她参加写作比赛，我相信她会获得好成绩。
考查连词辨析。before在……以前；if如果；though尽管；unless除非。根据“I am sure she’ll get a good place...she takes part in the writing competition.”可知后句是前句的条件，应用if引导条件状语从句，故选B。
7．A
【详解】句意：直到我们进行了一次长谈，我才明白了妈妈的爱。
考查连词辨析。until直到；if如果；since自从；because因为。根据“I didn’t understand my mom’s love … we had a long talk”可知，此处用not…until表示“直到……才”，故选A。
8．C
【详解】句意：——电视剧《人世间》很精彩。——我也这么想。虽然我看过一次了，但还想再看一遍。
考查连词辨析。until直到；since自从；though尽管；if如果。通过“I've watched it once”可知句子之前看过一次了，前后暗含转折关系，用though引导让步状语从句。故选C。
9．A
【详解】句意：——明天的篮球比赛我们能赢吗？——当然，如果我们尽力的话。
考查连词辨析。if如果；or或者；unless除非；though虽然。“we try our best”是篮球比赛能赢的肯定条件，用if引导条件状语从句，故选A。
10．B
【详解】句意：2020年，许多医生前往武汉帮助患者，尽管他们知道这很危险。
考查连词辨析。until直到；although尽管；before在……之前；unless除非。句子前后暗含让步关系，尽管很危险还是前往武汉帮助患者，用although“尽管”引导让步状语从句。故选B。
11．A
【详解】句意：我不知道明天会不会下雨，但如果下雨，我会待在家里。
考查if条件句和宾语从句。前半个句子中包含一个由if引导的宾语从句，根据时间标志词“tomorrow”可知，要用一般将来时，所以可以先排除选项CD；后半句子包含由if引导的条件状语从句，此时根据“主将从现”的原则，从句要用一般现在时，主语是第三人称单数，动词需要加s。故选A。
12．C
【详解】句意：青少年应该在完成家庭作业之后做一些家务活。
考查连词。until直到；but但是；after在……之后；unless除非。根据“do some housework”及“they finish their homework”可知表达做完家庭作业之后做家务活，用连词“after”引导时间状语从句。故选C。
13．B
【详解】句意：——这块大石头太重了，我一个人搬不动。——别担心。我会帮助你的。
考查结果状语从句的连词。such...that...“如此……以至于……”，引导结果状语从句，中心词是名词；so...that...“如此……以至于……”，引导结果状语从句，中心词是形容词或副词； too...to...“太……而不能”，后接短语；根据“I can’t carry it alone”可知，此处应用连词连接，排除C选项；句子中心词强调的是“heavy”，是形容词，应用so...that...，故选B。
14．A
【详解】句意：《长津湖》是一部如此精彩的电影，我想再看一遍。
考查such...that...结构。此处是结果状语从句，so强调形容词、副词，such强调名词，此处强调的是“movie”，“wonderful”首字母发辅音音素。故选A。