英语[W]
(一)并列句
先了解 1.由两个或两个以上的简单句用并列连词连在一起构成的句子叫作并列句。 2.其基本结构是“简单句＋并列连词＋简单句”。 3.不同的并列连词表示并列分句之间的不同关系。
划重点 1.并列句的常见形式；2.连接并列句的连词
重点1 并列句的常见形式
1．连词并列句(使用并列连词)
使用并列连词(如and, but, or, nor, for, yet, so)来连接两个独立的简单句。
She studies hard but she still finds time for hobbies.
她学习很努力，但仍有时间从事业余爱好。
2．分号并列句(使用分号)
在没有连接词的情况下，使用分号来连接紧密相关的独立简单句。
He loves painting; his sister prefers photography.
他喜欢画画，他妹妹喜欢摄影。
3．分号加连接副词
使用分号和连接副词(如however, therefore, moreover, consequently等)来连接两个独立简单句。
The experiment failed; however, valuable data was gathered.
尽管实验失败了，但仍然收集到了有价值的数据。
重点2 连接并列句的连词
并列连词所连接的简单句被称为分句。其基本结构是：分句＋并列连词＋分句。
1．表示增补或并列关系的连词：and, both ... and ..., neither ... nor ..., not only ... but (also) ... 等。
The teacher's name is David, and the student's name is John.
老师的名字是大卫，学生的名字是约翰。
2．表示选择关系的连词：or, or else, otherwise, either ... or ..., whether ... or ..., not ... but ...。
Hurry up, or you'll miss the train.
快点儿，否则你就赶不上火车了。
3．表示转折关系的连词：but, yet, while, whereas。
Some experiments are difficult while others are easy.
有些实验很难，而有些实验很容易。
4．表示因果关系的连词：for, so。
The oil must be out, for the lamp has gone out.
油一定用完了，因为灯已熄灭。
5．以and, as well as, neither (nor)连接的并列句中，后面的某些成分常被省略。
He often goes to the museum as well as (he often goes to) the concert.
他经常去博物馆，也常去音乐会。
6．用so, neither (nor)代替前句中出现的句子成分，这时语序需倒装。
I haven't seen the film; neither has he.
我没看过这部电影，他也没看过。
1．(2024·浙江高考1月)Either your shopping is then too heavy to carry home ________ you can't use what you've bought while it's still fresh.
答案：or
解析：either ... or ... 为固定搭配，意为“要么……要么……”，连接两个并列分句。故填or。
2．(2025·湖北省重点高中智学联盟高三联考)In an interview, Zhao said that the in－vogue hanfu attire seen on the streets of China today was not exactly what ancient Han people once wore ________ it remained a positive promotion of our Hanfu culture.
答案：but/yet
解析：句意：在一次采访中，赵说现在在中国街头看到的流行汉服与古代汉人所穿的并不完全相同，但它仍然是对我们汉服文化的积极推广。根据句意可知，设空处前后分句形成转折关系，表示“但是”，应用表示转折关系的连词but或yet。故填but/yet。
3．(2025·辽宁省大连市滨城高中联盟高三期中)In short, the legacy of Clay Figurine Zhang in Tianjin embodies a profound cultural heritage ________ it will continue to attract audiences with its dynamic sculptures and vivid colors.
答案：and
解析：设空处前后两个句子结构完整，且为并列关系，应用连词and表示并列关系。故填and。
4．(2025·广东省广州市天河区普通高中毕业班综合测试)Not only did I gain practical cooking skills, ________ also I truly understood the value and significance of labor.
答案：but
解析：not only ... but (also)“不仅……还”连接两个并列分句。故填but。
5．(2025·云南省德宏州高三定位监测)One group participated in gardening, ________ the other group took art classes.
答案：while
解析：设空处前后均为完整的句子，前后两分句对比两小组不同的活动，设空处应用表示转折关系的并列连词while连接前后内容，意为“而，然而”。故填while。
6．(2025·浙江省9＋1高中联盟高三期中)The next time a bee flies through your garden ________ you spread some honey on a piece of toast, think about the miracle of honey.
答案：or
解析：句意：下次当一只蜜蜂飞过你的花园或者你把蜂蜜涂在烤面包上时，想想蜂蜜的奇迹。句中The next time 引导时间状语从句，设空处前后为完整的分句，应用并列连词，根据句意可知，设空处前后两个分句是选择关系。故填or。
7．(2025·湖北省华中师范大学第一附属中学高三月度检测)I wanted to combining business with social impacts ________ I found the way to use profits from everyday products to do good globally.
答案：so
解析：句意：我想把商业和社会影响结合起来，所以我找到了用日常产品的利润在全球做好事的方法。 根据句意可知，设空处前后为因果关系。故填so。
8．(2025·浙江省稽阳联谊学校高三月考)In the north, people tend to eat dumplings, whose shape looks like ears, in order to prevent people from frostbite (冻疮) on ears, ________ people in southern China prefer sweet dumplings, rice balls and long noodles to express their good wishes.
答案：while
解析：设空处前后两个分句结构完整，设空处应用并列连词，根据句中的In the north和in southern China 可知，前后两个分句在对北方和南方不同的习俗做对比，因此设空处应用while“然而”表示转折。故填while。
9．(2025·四川省成都市金牛区成都外国语学校高三月考)Artificial Intelligence (AI) is a game－changer, ________ it comes with pros and cons.
答案：but/yet
解析：句意：人工智能是一种改变游戏规则的技术，但它有利有弊。根据句意可知，设空处前后两个分句之间是转折关系，应用but或yet连接。故填but/yet。
10．(2025·山东省青岛市即墨区实验高级中学高三月考)People say there seems to be so much negativity in this world, ________ there are good people out there and sometimes we are made aware of them when we least expect it.
答案：but/yet
解析：句意：人们说这个世界上似乎有太多的负面情绪，但是好人还是存在的，有时候我们在最不经意的时候发现了他们。 结合句意可知，前后文为转折关系。故填but/yet。
(二)状语从句
先了解 1.状语从句是用来修饰或补充说明主句的从句。 2.表达时间、原因、条件、目的、让步等多种信息。 3.状语从句给句子提供了更具体的背景或情景信息，使句子表达更加精确、丰富。
划重点 3.状语从句的引导词；4.状语从句中的转换与省略
重点3 状语从句的引导词
1．时间状语从句：since, when, after, as, while, before, until, not ... until ..., as soon as/the moment/the instant/no sooner ... than ... /hardly ... when ..., once, every/each/next time, the first time, by the time
①It has been 3 years since you left school.
你毕业三年了。
②As time goes on, we become wiser and wiser.
随着时间的推移，我们变得越来越聪明了。
2．地点状语从句：where, anywhere, wherever
①Where there is a will, there is a way.
有志者，事竟成。
②You should live with your parents anywhere they live.
不管父母住在哪里，你都应该和他们住在一起。
3．原因状语从句：because, since, as, for, now that, in that, seeing (that)/considering (that)
①Since everyone is here, let's have the meeting.
既然大家都在，我们开会吧。
②He is absent from school because he has to look after his sick mother.
他没来上学，因为他要照顾他生病的母亲。
4．条件状语从句：if, unless, as/so long as, on (the) condition that, provided that, in case
①If you need help, just drop me a line.
如果你需要帮助，就给我来信。
②In case there is a fire, what will we do first
万一发生火灾，我们首先要做什么？
5．目的状语从句：so that, in order that, for fear that
①We got up early so that/in order that we could catch the first bus.
我们起床很早，以便能赶上头班车。
②I arrived at the school early for fear that I missed the morning exercises.
我很早到达学校，唯恐错过了早操。
6．结果状语从句：so/such ... that (如此……以至于), so that (结果，以致)
①Mr Smith is always so busy that he has little time for his family.
史密斯先生总是很忙，几乎没有时间陪家人。
②He is such a young boy that he can't go to school.
这男孩年龄太小，不能上学。
7．比较状语从句：as, as ... as ..., than, the more ... the more ...
①It's easier said than done.
说起来容易做起来难。
②The harder you work, the more progress you will make.
你学习越努力，取得的进步就越大。
8．方式状语从句：as, as if/though
①When in Rome, do as the Romans do.
入乡随俗。
②They looked at me as if I had been their long－lost family member.
他们看着我，好像我是他们失散已久的家人。
9．让步状语从句：though/although, even if/though, while, whether ... or ..., as, whatever/no matter what, wherever/no matter where, whoever/no matter who, whichever/no matter which, whenever/no matter when, however/no matter how
①Although/Though/While he tried, he failed to unlock the door.
尽管他试了，但还是打不开门。
②Try as he might, he failed again.
他虽然尽力了，但仍然失败了。
③However/No matter how hard the problem is, I will overcome it.
无论问题有多难，我都会克服。
重点4 状语从句中的转换与省略
当状语从句的主语与主句的主语相同或从句主语为it，且从句中含有be动词时，可以省略从句的主语或it和be动词。状语从句转换为：
1．连词＋过去分词
Once (it is) seen, it can never be forgotten.
一旦见到，永远难忘。
2．连词＋形容词，省略it is
He sat there, silent, as if (he was) angry.
他坐在那里，一言不发，好像生气了。
3．连词＋动词－ing形式
Be careful when (you are) crossing the street.
过马路时要小心。
4．连词＋不定式
He opened his mouth, as if (he was) to say something.
他张开嘴，好像要说什么。
5．连词＋介词短语
While (I was) in the store, I saw a boy who appeared to be really sad.
在商店里时，我看到一个男孩，他看起来真的很伤心。
1．(2024·T8联考)When ________ (plant) in fertile ground, it transfigures (美化……的外表) into new life bearing fruits of change.
答案：planted
解析：句中when引导时间状语从句，从句中省略了主语it及系动词is，plant和主语it之间是被动关系。故填planted。
2．(2025·江西省南昌市第十中学高三月考)________ most players are from China, the game's popularity is spreading rapidly worldwide.
答案：While/Though/Although
解析：句意：尽管大多数玩家来自中国，但这款游戏的受欢迎程度正在迅速传播到全世界。根据句意可知，设空处应用while、though或although引导让步状语从句，单词位于句首，首字母应大写。故填While/Though/Although。
3．(2025·上海市宝山中学高三期中)________ they first invented eye makeup as far back as 4000 BC, it has never gone out of style.
答案：Since
解析：设空处引导时间状语从句，根据从句中的invented及主句中的has gone体现出的标志性时态可知，设空处应用since表示“自从”，单词位于句首，首字母应大写。故填Since。
4．(2025·广西南宁市银海三雅学校高三上学期第二套综合训练)He looks a bit more fashionable ________ other folk artisans.
答案：than
解析：根据设空前的more fashionable可知，此处应用 than引导比较状语从句。故填than。
5．(2025·广东省茂名市区域高三联考)________ you think of creativity, you might picture an artist at work on a big project.
答案：When
解析：句意：当你想到创造力时，你可能会想到一个艺术家在做一个大项目。根据句意可知，应用when引导时间状语从句。单词位于句首，首字母应大写。故填When。
6．(2025·上海市上海中学高三期中)________ I've grown older, my obsession with exotic fruit has intensified—the weirder, the better.
答案：As
解析：句意：随着年龄的增长，我对异国的水果越来越痴迷——越奇怪越好。根据句意可知，设空处表示“随着”，应用as引导时间状语从句，单词位于句首，首字母应大写。故填As。
7．(2025·河南省安阳市林州市第一中学高三月考)Sacrifices are offered to the ancestors so ________ they will protect the baby in the future.
答案：that
解析：句意：祭品是献给祖先的，这样他们就能在将来保佑孩子。 根据句意可知，设空处表示目的，应用so that引导目的状语从句。故填that。
8．(2025·宁夏吴忠市盐池中学高三月考)________ the self－driving car causes an accident, who should be responsible
答案：If
解析：句意：如果自动驾驶汽车发生事故，谁应该负责？根据句意可知，设空处引导条件状语从句，表示“如果”，应用从属连词if引导；句首单词首字母应大写。故填If。
9．(2025·广东省六校高三联考)Vegetation (植被), ________ thinly distributed, is diverse and includes rare and native species, many of which have adapted over millennia to conditions of drought and water scarcity.
答案：although/though
解析：句意：植被虽然分布稀疏，但种类多样，包括稀有物种和本土物种，其中许多物种历数千年已适应干旱和缺水的环境。根据句意可知，设空处应用表示“虽然”之意的连词although或though引导让步状语从句，状语从句为省略句，原句为although/though it is thinly distributed。while也可引导让步状语从句，但其只能放在主句前。故填although/though。
10．(2025·云南省玉溪第一中学高三期中)It wasn't long ________ Grandma appeared in the doorway, a bit surprised.
答案：before
解析：It isn't/wasn't long before ... 为固定句型，意为“不久之后……”，before引导时间状语从句，意为“在……之前”。故填before。
1(共32张PPT)
WELCOME UNIT
第二编 高效语法
重点语法
第四讲 并列句和状语从句(4个重点)
状语从句
目录
CONTENTS
2
并列句
1
并列句
重点1 并列句的常见形式
1．连词并列句(使用并列连词)
使用并列连词(如and, but, or, nor, for, yet, so)来连接两个独立的简单句。
She studies hard but she still finds time for hobbies.
她学习很努力，但仍有时间从事业余爱好。
先了解 1.由两个或两个以上的简单句用并列连词连在一起构成的句子叫作并列句。
2.其基本结构是“简单句＋并列连词＋简单句”。
3.不同的并列连词表示并列分句之间的不同关系。
划重点 1.并列句的常见形式；2.连接并列句的连词
2．分号并列句(使用分号)
在没有连接词的情况下，使用分号来连接紧密相关的独立简单句。
He loves painting; his sister prefers photography.
他喜欢画画，他妹妹喜欢摄影。
3．分号加连接副词
使用分号和连接副词(如however, therefore, moreover, consequently等)来连接两个独立简单句。
The experiment failed; however, valuable data was gathered.
尽管实验失败了，但仍然收集到了有价值的数据。
重点2 连接并列句的连词
并列连词所连接的简单句被称为分句。其基本结构是：分句＋并列连词＋分句。
1．表示增补或并列关系的连词：and, both ... and ..., neither ... nor ..., not only ... but (also) ... 等。
The teacher's name is David, and the student's name is John.
老师的名字是大卫，学生的名字是约翰。
2．表示选择关系的连词：or, or else, otherwise, either ... or ..., whether ... or ..., not ... but ...。
Hurry up, or you'll miss the train.
快点儿，否则你就赶不上火车了。
3．表示转折关系的连词：but, yet, while, whereas。
Some experiments are difficult while others are easy.
有些实验很难，而有些实验很容易。
4．表示因果关系的连词：for, so。
The oil must be out, for the lamp has gone out.
油一定用完了，因为灯已熄灭。
5．以and, as well as, neither (nor)连接的并列句中，后面的某些成分常被省略。
He often goes to the museum as well as (he often goes to) the concert.
他经常去博物馆，也常去音乐会。
6．用so, neither (nor)代替前句中出现的句子成分，这时语序需倒装。
I haven't seen the film; neither has he.
我没看过这部电影，他也没看过。
1．(2024·浙江高考1月)Either your shopping is then too heavy to carry home ________ you can't use what you've bought while it's still fresh.
or
解析：either ... or ... 为固定搭配，意为“要么……要么……”，连接两个并列分句。故填or。
2．(2025·湖北省重点高中智学联盟高三联考)In an interview, Zhao said that the in－vogue hanfu attire seen on the streets of China today was not exactly what ancient Han people once wore ________ it remained a positive promotion of our Hanfu culture.
but/yet
解析：句意：在一次采访中，赵说现在在中国街头看到的流行汉服与古代汉人所穿的并不完全相同，但它仍然是对我们汉服文化的积极推广。根据句意可知，设空处前后分句形成转折关系，表示“但是”，应用表示转折关系的连词but或yet。故填but/yet。
3．(2025·辽宁省大连市滨城高中联盟高三期中)In short, the legacy of Clay Figurine Zhang in Tianjin embodies a profound cultural heritage ________ it will continue to attract audiences with its dynamic sculptures and vivid colors.
4．(2025·广东省广州市天河区普通高中毕业班综合测试)Not only did I gain practical cooking skills, ________ also I truly understood the value and significance of labor.
and
解析：设空处前后两个句子结构完整，且为并列关系，应用连词and表示并列关系。故填and。
解析： not only ... but (also)“不仅……还”连接两个并列分句。故填but。
but
5．(2025·云南省德宏州高三定位监测)One group participated in gardening, ________ the other group took art classes.
6．(2025·浙江省9＋1高中联盟高三期中)The next time a bee flies through your garden ______ you spread some honey on a piece of toast, think about the miracle of honey.
while
解析：设空处前后均为完整的句子，前后两分句对比两小组不同的活动，设空处应用表示转折关系的并列连词while连接前后内容，意为“而，然而”。故填while。
解析：句意：下次当一只蜜蜂飞过你的花园或者你把蜂蜜涂在烤面包上时，想想蜂蜜的奇迹。句中The next time 引导时间状语从句，设空处前后为完整的分句，应用并列连词，根据句意可知，设空处前后两个分句是选择关系。故填or。
or
7．(2025·湖北省华中师范大学第一附属中学高三月度检测)I wanted to combining business with social impacts ________ I found the way to use profits from everyday products to do good globally.
so
解析：句意：我想把商业和社会影响结合起来，所以我找到了用日常产品的利润在全球做好事的方法。 根据句意可知，设空处前后为因果关系。故填so。
8．(2025·浙江省稽阳联谊学校高三月考)In the north, people tend to eat dumplings, whose shape looks like ears, in order to prevent people from frostbite (冻疮) on ears, ________ people in southern China prefer sweet dumplings, rice balls and long noodles to express their good wishes.
while
解析：设空处前后两个分句结构完整，设空处应用并列连词，根据句中的In the north和in southern China 可知，前后两个分句在对北方和南方不同的习俗做对比，因此设空处应用while“然而”表示转折。故填while。
9．(2025·四川省成都市金牛区成都外国语学校高三月考)Artificial Intelligence (AI) is a game－changer, ________ it comes with pros and cons.
10．(2025·山东省青岛市即墨区实验高级中学高三月考)People say there seems to be so much negativity in this world, ________ there are good people out there and sometimes we are made aware of them when we least expect it.
but/yet
解析：句意：人工智能是一种改变游戏规则的技术，但它有利有弊。根据句意可知，设空处前后两个分句之间是转折关系，应用but或yet连接。故填but/yet。
解析：句意：人们说这个世界上似乎有太多的负面情绪，但是好人还是存在的，有时候我们在最不经意的时候发现了他们。 结合句意可知，前后文为转折关系。故填but/yet。
but/yet
状语从句
先了解 1.状语从句是用来修饰或补充说明主句的从句。
2.表达时间、原因、条件、目的、让步等多种信息。
3.状语从句给句子提供了更具体的背景或情景信息，使句子表达更加精确、丰富。
划重点 3.状语从句的引导词；4.状语从句中的转换与省略
重点3 状语从句的引导词
1．时间状语从句：since, when, after, as, while, before, until, not ... until ..., as soon as/the moment/the instant/no sooner ... than ... /hardly ... when ..., once, every/each/next time, the first time, by the time
①It has been 3 years since you left school.
你毕业三年了。
②As time goes on, we become wiser and wiser.
随着时间的推移，我们变得越来越聪明了。
2．地点状语从句：where, anywhere, wherever
①Where there is a will, there is a way.
有志者，事竟成。
②You should live with your parents anywhere they live.
不管父母住在哪里，你都应该和他们住在一起。
3．原因状语从句：because, since, as, for, now that, in that, seeing (that)/considering (that)
①Since everyone is here, let's have the meeting.
既然大家都在，我们开会吧。
②He is absent from school because he has to look after his sick mother.
他没来上学，因为他要照顾他生病的母亲。
4．条件状语从句：if, unless, as/so long as, on (the) condition that, provided that, in case
①If you need help, just drop me a line.
如果你需要帮助，就给我来信。
②In case there is a fire, what will we do first
万一发生火灾，我们首先要做什么？
5．目的状语从句：so that, in order that, for fear that
①We got up early so that/in order that we could catch the first bus.
我们起床很早，以便能赶上头班车。
②I arrived at the school early for fear that I missed the morning exercises.
我很早到达学校，唯恐错过了早操。
6．结果状语从句：so/such ... that (如此……以至于), so that (结果，以致)
①Mr Smith is always so busy that he has little time for his family.
史密斯先生总是很忙，几乎没有时间陪家人。
②He is such a young boy that he can't go to school.
这男孩年龄太小，不能上学。
7．比较状语从句：as, as ... as ..., than, the more ... the more ...
①It's easier said than done.
说起来容易做起来难。
②The harder you work, the more progress you will make.
你学习越努力，取得的进步就越大。
8．方式状语从句：as, as if/though
①When in Rome, do as the Romans do.
入乡随俗。
②They looked at me as if I had been their long－lost family member.
他们看着我，好像我是他们失散已久的家人。
9．让步状语从句：though/although, even if/though, while, whether ... or ..., as, whatever/no matter what, wherever/no matter where, whoever/no matter who, whichever/no matter which, whenever/no matter when, however/no matter how
①Although/Though/While he tried, he failed to unlock the door.
尽管他试了，但还是打不开门。
②Try as he might, he failed again.
他虽然尽力了，但仍然失败了。
③However/No matter how hard the problem is, I will overcome it.
无论问题有多难，我都会克服。
重点4 状语从句中的转换与省略
当状语从句的主语与主句的主语相同或从句主语为it，且从句中含有be动词时，可以省略从句的主语或it和be动词。状语从句转换为：
1．连词＋过去分词
Once (it is) seen, it can never be forgotten.
一旦见到，永远难忘。
2．连词＋形容词，省略it is
He sat there, silent, as if (he was) angry.
他坐在那里，一言不发，好像生气了。
3．连词＋动词－ing形式
Be careful when (you are) crossing the street.
过马路时要小心。
4．连词＋不定式
He opened his mouth, as if (he was) to say something.
他张开嘴，好像要说什么。
5．连词＋介词短语
While (I was) in the store, I saw a boy who appeared to be really sad.
在商店里时，我看到一个男孩，他看起来真的很伤心。
1．(2024·T8联考)When ________ (plant) in fertile ground, it transfigures (美化……的外表) into new life bearing fruits of change.
2．(2025·江西省南昌市第十中学高三月考)_______________________ most players are from China, the game's popularity is spreading rapidly worldwide.
planted
解析：句中when引导时间状语从句，从句中省略了主语it及系动词is，plant和主语it之间是被动关系。故填planted。
解析：句意：尽管大多数玩家来自中国，但这款游戏的受欢迎程度正在迅速传播到全世界。根据句意可知，设空处应用while、though或although引导让步状语从句，单词位于句首，首字母应大写。故填While/Though/Although。
While/Though/Although
3．(2025·上海市宝山中学高三期中)________ they first invented eye makeup as far back as 4000 BC, it has never gone out of style.
4．(2025·广西南宁市银海三雅学校高三上学期第二套综合训练)He looks a bit more fashionable ________ other folk artisans.
Since
解析：设空处引导时间状语从句，根据从句中的invented及主句中的has gone体现出的标志性时态可知，设空处应用since表示“自从”，单词位于句首，首字母应大写。故填Since。
解析：根据设空前的more fashionable可知，此处应用 than引导比较状语从句。故填than。
than
5．(2025·广东省茂名市区域高三联考)________ you think of creativity, you might picture an artist at work on a big project.
6．(2025·上海市上海中学高三期中)________ I've grown older, my obsession with exotic fruit has intensified—the weirder, the better.
When
解析：句意：当你想到创造力时，你可能会想到一个艺术家在做一个大项目。根据句意可知，应用when引导时间状语从句。单词位于句首，首字母应大写。故填When。
解析：句意：随着年龄的增长，我对异国的水果越来越痴迷——越奇怪越好。根据句意可知，设空处表示“随着”，应用as引导时间状语从句，单词位于句首，首字母应大写。故填As。
As
7．(2025·河南省安阳市林州市第一中学高三月考)Sacrifices are offered to the ancestors so ________ they will protect the baby in the future.
8．(2025·宁夏吴忠市盐池中学高三月考)________ the self－driving car causes an accident, who should be responsible
that
解析：句意：祭品是献给祖先的，这样他们就能在将来保佑孩子。 根据句意可知，设空处表示目的，应用so that引导目的状语从句。故填that。
解析：句意：如果自动驾驶汽车发生事故，谁应该负责？根据句意可知，设空处引导条件状语从句，表示“如果”，应用从属连词if引导；句首单词首字母应大写。故填If。
If
9．(2025·广东省六校高三联考)Vegetation (植被), ________________ thinly distributed, is diverse and includes rare and native species, many of which have adapted over millennia to conditions of drought and water scarcity.
although/though
解析：句意：植被虽然分布稀疏，但种类多样，包括稀有物种和本土物种，其中许多物种历数千年已适应干旱和缺水的环境。根据句意可知，设空处应用表示“虽然”之意的连词although或though引导让步状语从句，状语从句为省略句，原句为although/though it is thinly distributed。while也可引导让步状语从句，但其只能放在主句前。故填although/though。
10．(2025·云南省玉溪第一中学高三期中)It wasn't long ________ Grandma appeared in the doorway, a bit surprised.
before
解析：It isn't/wasn't long before ... 为固定句型，意为“不久之后……”，before引导时间状语从句，意为“在……之前”。故填before。
10．(2025·云南省玉溪第一中学高三期中)It wasn't long ________ Grandma appeared in the doorway, a bit surprised.
before
解析：It isn't/wasn't long before ... 为固定句型，意为“不久之后……”，before引导时间状语从句，意为“在……之前”。故填before。
