2021届高考英语 二轮专题复习状语从句课件（57张PPT）
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| 名称 | 2021届高考英语 二轮专题复习状语从句课件（57张PPT） |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-03-02 22:23:05 | ||
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(共57张PPT)
状语从句
一、状语从句的类型及关联词
状语从句根据其用途可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、方式状语从句、比较状语从句九种。
时间状语从句：由when, as, while, whenever, after, before, until / till, as soon as, since, once 等连词，directly 和immediately 等副词，by the time, every time, the moment, the minute 等表示时间的短语以及no sooner ... than或hardly ... when引导。
地点状语从句：由where, wherever, anywhere, everywhere等引导。
原因状语从句：由because, since, as, now that, seeing that, considering that, in that等引导。
目的状语从句：由so, so that, in case, in order that, for fear (that)等引导。
结果状语从句：由so (that), so ... that, such ... that, with the result that等引导。
条件状语从句：由if, unless, so / as long as,
only if, provided, on condition that, in case, suppose / supposing (that)等引导。
让步状语从句：由although, though, even if / though, as 等连词，“疑问词+ ever”构成的复合词，“no matter +疑问词”或whether ... or 引导。
方式状语从句：由as, like, as if / though, the way等引导。
比较状语从句：主要由than或as引导。
二、常用关联词注意事项
1. when
when引导时间状语从句时，从句的动作既可与主句的动作同时发生，也可先后发生。
如：
Herbert was having dinner when I saw him.
When the lights went out, I turned on the
flashlight.
(2) when还可引导条件状语从句，意为“如果”。如：
How did you get there on time when you left here so late
2. while
(1) while引导时间状语从句时，从句的谓语一般是延续性动词（如work, stay, wait, live等）。如：
While I was working on my English homework in my room, I heard a knock on the door.
(2) while 引导让步状语从句时，相当于
although / though。while和although引导的让步状语从句不用倒装语序，though 引导的让步状语从句可以倒装也可以不倒装。如：
While / Although / Though I understand your point of view, I do not share it.
Happy though the little girl is, she will feel homesick at the beginning.
3. until和till
(1) until和till都表示“直到”，常可互换，但till一般不用于句首，也不用于强调句中。如：
Mike didn't announce the news until / till he was sure of it.
Until her father's death, she had always lived in London.
It was not until 1998 that he returned to his hometown.
(2) until / till从句与肯定的主句连用时，主句的谓语动词一般是延续性动词，表示主句的动作一直持续到until / till所表示的时间为止。如：
They talked on until / till one o'clock in the morning.
Julie stayed up till / until eleven o'clock last night.
(3) until / till从句与否定的主句连用时，主句的谓语动词是非延续性动词，表示“直到……才”，即主句的动作到 until / till 所表示的时间才开始。如：
I didn't realise he was a famous scientist until / till you told me.
Last night, he didn't go to bed until / till he finished writing his report.
(4) not until后跟从句位于句首时，主句需部分倒装。如：
Not until the war was over was Einstein able to return to his homeland.
4. as
(1) as引导时间状语从句时，表示“当……时；随着”。如：
They all finished their homework, as I was playing with my dog.
As time goes by, our country is getting stronger and wealthier.
(2) as引导原因状语从句时，一般放在句首，表示十分明显的原因或是已知的事实。
如：
As the weather is so bad, we have to delay our journey.
(3) as引导让步状语从句时，通常用倒装结构。详情如下：
a. “形容词+ as +主语+系动词”或“副词+ as +主语+实义动词”。如：
Clever as he is, he didn't pass the exam.
Fast as you read, you can't finish the book in two days.
b. 名词+ as +主语+系动词（句首的名词前多不带冠词）。如：
Child as he is, he knows how to help others.
(4) as引导方式状语从句时，意为“如，像，按照”。如：
When in Rome do as the Romans do.
(5) as引导比较状语从句时，常用于as ... as ... 和not so / as ... as ... 结构中。如：
I hope the necklace is as good as the one you lent me.
His skin isn't so / as dark as it looks in the film.
5. no sooner ... than和hardly ... when意为“一……就……”，引导时间状语时，主句一般用过去完成时,从句用一般过去时。注意：no sooner, hardly 位于句首时，主句的主谓语要部分倒装。如：
I had no sooner reached home than it began to rain.
No sooner had I reached home than it began to rain.
She had hardly gone out when a student came to visit her.
Hardly had she gone out when a student came to visit her.
6. so ... that和such ... that
(1) so ... that 常用于以下结构：① so +
adj. / adv. + that 从句；②so + adj. + a(n) +可数名词单数形式+ that从句；③so + many / much / few / little + n. + that从句。如：
I am so tired that I want to sleep right now.
It was so interesting a story that I read it again and again.
The naughty boy has had so many falls that he is black and blue all over.
(2) such ... that 常用于以下结构：①such + a(n) + adj. +可数名词单数形式+ that 从句; ②such + adj. +可数名词复数形式+ that 从句；③such + adj. +不可数名词+ that从句。如：
This is such a good book that everyone likes it.
They are such lovely twins that everybody likes them very much.
It is such cold weather that I can see no one outside through the window.
注意：
so ... that引导结果状语从句时，如果“so +形容词/副词”位于句首，则主句的主谓语要部分倒装。如：
So cold was the weather that we had to stay at home.
So fast does light travel that we can hardly imagine its speed.
7. “疑问词+ ever”构成的复合词既可引导状语从句，又可引导名词性从句，但“no matter +疑问词”只可引导让步状语从句。如：
Whichever (= No matter which) book you borrow, you must return it in a week.
Whatever (= No matter what) may happen, we shall never lose hope.
Whoever is responsible for this should be punished.（此句中的Whoever不可用No matter who替换）
在含状语从句的复合句中，主、从句通常根据实际时间关系来确定动词的时态，但有一点需要注意：在时间状语从句、条件状语从句或由“疑问词-ever”、“no matter +疑问词”等引导的让步状语从句中，可以用一般现在时表将来。下面就状语从句考点进行归纳总结。
一、时间状语从句
选用括号内合适的内容补全下面句子。
Over time, ________ (as, though) the population grew, people began cutting food into small pieces so it would cook more quickly.
as
二、地点状语从句
where在地点状语从句中，除了指地点外，还可指处境等。
由where引导的地点状语从句与定语从句的区别：where引导定语从句时，从句前应有一个表示（抽象）地点或处所的名词作先行词，而状语从句前没有先行词。
1. ______ he once felt like giving up, he now has the determination to push further and keep on going.
A. Where B. As C. In case D. Now that
A
2. Half an hour later, Lucy still couldn’t get a taxi _____ the bus had dropped her.
A. until B. when
C. although D. where
D
三、原因状语从句
引导原因状语从句的常用连词有because, since, as, now (that)等。它们的用法区别是：because语气最强，述说直接原因，说明因果关系，常回答以why开头的问句；since, as和now (that)引导的从句用法相似，表示双方都知道的原因。
选用括号内合适的内容补全下面句子。
I really enjoy listening to music ________ (because, unless) it helps me relax and takes my mind away from other cares of the day.
because
四、让步状语从句
选用括号内合适的内容补全下面句子。
1. The gold medal will be awarded to ________ (whatever, whoever) wins the first place in the bicycle race.
whoever
2. ________ (Once, Although) birds use their feathers for flight, some of their feathers are for other purposes.
Although
五、目的状语从句
选用括号内合适的内容补全下面句子。
Let’s not pick these peaches until this weekend ________ (so that, even though) they get sweet enough to be eaten.
so that
六、结果状语从句
so ... that和such ... that表示“如此……以致于”, so后面接形容词或副词， such后面接名词。但名词前有many, much, few, little这些词修饰时, 要用so。“such + a(n) + adj. +单数名词+ that”可转换成“so + adj. + a(n) +单数名词+ that”。
七、条件状语从句
选用括号内合适的内容补全下面句子。
1. ________ (Once, Unless) you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
2. ________ (While, If ) we don’t stop climate
change, many animals and plants in the
world will be gone.
Unless
If
八、方式状语从句
引导方式状语从句的常用连词有as, as if / though。as if / though引导的状语从句的谓语动词常用虚拟语气，表示与事实相反的假设。如果从句所表达的内容被看作是事实或者有可能是事实时，就要用陈述语气。
九、比较状语从句
含as ... as ...的比较状语从句用在同级比较中, 若表否定用not so / as ... as ...。其中第一个so / as是副词, 修饰主句的形容词或副词的原形，后一个as是连词, 引导比较状语从句。
I. 从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. My mother was so touched by her gesture that she decided to go back to the store and give the cashier (收银员) a five-dollar bill to keep on hand ________ the same happened to someone else if they didn't have enough money for all of their groceries.
（2021年6月浙江卷）
A. in case B. even if C. as though D. so that
A
2. They decide to have more workers for the project ________ it won’t be delayed.
(2020 江苏)
A. even if B. as if
C. now that D. so that
3. —Why do people like pop music I hate it so much.
—________ it is not your style, that doesn’t
mean it is bad. (2020 天津)
A. Only if B. Even though
C. Now that D. In case
D
B
II. 短文改错
Then I can spare some time to learn it again, such that we can practice together every day. (2020 全国卷Ⅱ)
such——so
Ⅲ. 用适当的连词填空
__________ he asked the villagers on the banks of the river where he could find the legendary artist, they smiled and pointed down the river.
(2020 全国卷Ⅲ)
When/As
I. 选用方框内合适的短语并用其正确形式填空
（每个短语限用一次）。
so that, as if, in case, as soon as
1. All the soldiers had to take their masks with them ________________ there was a gas attack.
2. ____________ we said goodbye, my friend went back to his room closing the door behind him.
in case
As soon as
3. Jack wasn't saying anything, but the teacher smiled at him ________________ he had done something very clever.
4. Ecologists try to find out how the environment can be preserved ________________ living things will continue to survive on the planet.
so that, as if, in case, as soon as
as if
so that
II. 选用括号内合适的内容完成下列句子。
1. ________ (If, Before) he met that American girl, he couldn't speak English.
2. He smiled politely ________ (as, once) Mary apologised for her drunken friends.
3. ________ (Unless, Although) he doesn't speak Italian, he always goes to Italy on holiday.
Before
as
Although
4. Hard ________ (as, while) she tried, Ella found it difficult to make any progress in math.
5. ________ (While, Once) I always felt I would pass the exam, I never thought I would get an A.
6. I'm going to ask someone else, ________ (before, since) you obviously don't know the answer.
as
While
since
7. A number of high buildings have arisen ________ (when, where) there was nothing a year ago.
8. ________ (However, Whatever) hard you try, it is difficult to lose weight without cutting down the amount you eat.
where
However
9. Please call my secretary to arrange a meeting ________ (whenever, however) it is convenient for you.
10. You can always manage to do more things if you would like to, ________ (whatever, however) full your schedule is.
whenever
however
III. 选用括号内合适的内容完成下列短文。
We hear an awful lot about global warming these days, but what if that concept was taken to the extreme and the entire planet's ice melted
1. ________ (Although, When) in our everyday life naturally occurring ice may seem like a slippery ( 滑的) inconvenience, be careful 2. ________ (before, after) you wish it would all just disappear instantly.
Although
before
3. ________ (Before, If ) all of Earth's ice quickly melted away, the effects would be a global disaster. Shorelines would be totally different 4. ________ (until, as) over two hundred feet of ice water would spread inland. In the United States, cities like Miami and New Orleans would be completely submersed (没入水中的).
5. ________ (If, Because) you watch an ice cube melt in a glass of water, the water level will not change. Above or below the water line, a melted ice cube replaces exactly the same volume of water.
If
as
If
However, 6. ________ (after, unless) we add salt to the mix, in the case of a 1-cubic-inch ice cube, the water level in the glass will rise by 0.03 cubic inches. It's an increase in volume of nearly 3%. 7. ________ (Though, Because) it is a fairly small amount, things will be different 8. ________ (before, if ) you apply this to glaciers ( 冰川) and floating sea ice.
Currently, there are 5 million cubic miles of ice on Earth, and that ice is melting — science has already proven the fact.
after
Though
if
Scientists are predicting in approximately 5, 000 years Earth's average temperature will have risen from its current 58 degrees Fahrenheit to a level of 80. 9. ________ (If, Although) all of the ice on Earth were to melt overnight, the global sea level would rise approximately 230 feet. That's enough to cover London's Tower Bridge. All seven continents would be partially underwater.
If
Here are some sporting greats who believe sport has helped them to find value within themselves and improve other aspects of their lives.
Kurt Fearnley, three-time Australian Paralympic Gold Medallist: “Sport has helped me with goal setting,” says Kurt, “1. ________ (because, when) achieving success in sport is just like achieving success in other areas of your life and you have to plan well and take small steps to get to 2. ________ (when, where) you want to go.
because
where
I also think that dealing with anxiety, motivation, success and failure in sport can also be applied to a person's general life.”
Laura Geitz, Australian Diamonds netball player: As a spokesperson of Suncorp's #TeamGirls, Laura is a firm believer in team spirit. “My TeamGirl moment is not standing on the podium (讲台) receiving the gold medal — it's having those 11 other sisters beside me, 3. ________ (because, if ) there's no better feeling than being part of a group of girls. 4. ________ (If, Although) they play their role to the best of their ability, then the magic will happen,” she says.
because
If
Mia Hamm, US soccer player: “I just know how sport improved me. 5. ________ (Although, Since) I was a really young, shy kid who was also from a military family, we moved every 2-3 years. And sports was an easy way to make a connection 6. ________ (whenever, wherever) we moved to a new base, a new town, to people with similar interests. And I think it really helped give me confidence not only with that move but with feeling that I could contribute,” Mia says.
Since
whenever
Here is what Gabi Simpson, Australian Diamonds netball player had to say: “Taking strength from vulnerability (脆弱) is so important. 7. ________ (Unless, When) you're young, you want other people to create that confidence, but it's not until you can create it yourself that you're able to be the best you that you can be.”
When
September 24, 1896 marks the birth date of F. Scott Fitzgerald, one of the most important twentieth century American writers. His father, Edward, brought breeding, charm, and a sense of elegance to the family, 1. ________ (although, when) as a businessman, he experienced only small financial success. Fitzgerald's mother, Mollie McQuillan, was the daughter of an Irish immigrant (移民) who made a fortune in the wholesale grocery business.
although
2. ________ (When, Although) she came from a family of means, she had little interest in society life 3. ________ (unless, until) it was related to her son's future. The family lived comfortably on the outskirts (郊区) of the city's most fashionable residential neighborhood, Summit Avenue, thanks largely to the generosity of the McQuillan family. 4. __________ (Although, Because) the Fitzgeralds lived just blocks from the city's most elegant and wealthy families, they were not considered rich.
Although
unless
Although
It seems likely much of Fitzgerald's interest in society life began in his youth in Minnesota when he would play and associate with the rich children of the neighborhood — dancing, sailing, swimming — all the time knowing he was never entirely a part of their society.
The Fitzgeralds lived in Minnesota on and off during Scott's youth.
5. ________ (Though, When) his father's business folded in 1897, the elder Fitzgerald took a job the following year as a salesman, consequently moving his family to New York, first to Buffalo, then Syracuse, and then back to Buffalo. 6. ________ (After, If ) he was fired from his job in 1908, and just months before Scott's twelfth birthday, the family had to return to St.
When
After
Paul where the McQuillan family still lived. From that point, the Fitzgeralds mainly lived off the McQuillan family fortune. 7. ________ (Because, Although) Scott would call St. Paul home from 1908 to 1922, he was often not there. Rather, he spent much of that time at boarding school, at Princeton University, in the army, and in New York City.
Although
Driver assistance technologies in today's motor vehicles are helping to save lives and prevent injuries.
A number of today's new motor vehicles have technology that helps drivers avoid making unsafe lane (车道) changes, or that warns drivers of other vehicles behind them 1. ________ (when, where) they are backing up, or that brakes automatically 2. ________ (though, if ) a vehicle ahead of them stops or slows suddenly, among other things.
when
if
These and other safety technologies use a combination of hardware (sensors, cameras, and radar) and software to help vehicles identify certain safety risks 3. ________ (so that, unless) they can warn the driver to act to avoid a crash.
The continuing evolution of automotive technology aims to deliver even greater safety benefits and — one day — deliver automated driving systems (ADS) that can handle the whole task of driving 4. ________ (where, when) we don't want to or can't do it ourselves.
so that
when
状语从句
一、状语从句的类型及关联词
状语从句根据其用途可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、方式状语从句、比较状语从句九种。
时间状语从句：由when, as, while, whenever, after, before, until / till, as soon as, since, once 等连词，directly 和immediately 等副词，by the time, every time, the moment, the minute 等表示时间的短语以及no sooner ... than或hardly ... when引导。
地点状语从句：由where, wherever, anywhere, everywhere等引导。
原因状语从句：由because, since, as, now that, seeing that, considering that, in that等引导。
目的状语从句：由so, so that, in case, in order that, for fear (that)等引导。
结果状语从句：由so (that), so ... that, such ... that, with the result that等引导。
条件状语从句：由if, unless, so / as long as,
only if, provided, on condition that, in case, suppose / supposing (that)等引导。
让步状语从句：由although, though, even if / though, as 等连词，“疑问词+ ever”构成的复合词，“no matter +疑问词”或whether ... or 引导。
方式状语从句：由as, like, as if / though, the way等引导。
比较状语从句：主要由than或as引导。
二、常用关联词注意事项
1. when
when引导时间状语从句时，从句的动作既可与主句的动作同时发生，也可先后发生。
如：
Herbert was having dinner when I saw him.
When the lights went out, I turned on the
flashlight.
(2) when还可引导条件状语从句，意为“如果”。如：
How did you get there on time when you left here so late
2. while
(1) while引导时间状语从句时，从句的谓语一般是延续性动词（如work, stay, wait, live等）。如：
While I was working on my English homework in my room, I heard a knock on the door.
(2) while 引导让步状语从句时，相当于
although / though。while和although引导的让步状语从句不用倒装语序，though 引导的让步状语从句可以倒装也可以不倒装。如：
While / Although / Though I understand your point of view, I do not share it.
Happy though the little girl is, she will feel homesick at the beginning.
3. until和till
(1) until和till都表示“直到”，常可互换，但till一般不用于句首，也不用于强调句中。如：
Mike didn't announce the news until / till he was sure of it.
Until her father's death, she had always lived in London.
It was not until 1998 that he returned to his hometown.
(2) until / till从句与肯定的主句连用时，主句的谓语动词一般是延续性动词，表示主句的动作一直持续到until / till所表示的时间为止。如：
They talked on until / till one o'clock in the morning.
Julie stayed up till / until eleven o'clock last night.
(3) until / till从句与否定的主句连用时，主句的谓语动词是非延续性动词，表示“直到……才”，即主句的动作到 until / till 所表示的时间才开始。如：
I didn't realise he was a famous scientist until / till you told me.
Last night, he didn't go to bed until / till he finished writing his report.
(4) not until后跟从句位于句首时，主句需部分倒装。如：
Not until the war was over was Einstein able to return to his homeland.
4. as
(1) as引导时间状语从句时，表示“当……时；随着”。如：
They all finished their homework, as I was playing with my dog.
As time goes by, our country is getting stronger and wealthier.
(2) as引导原因状语从句时，一般放在句首，表示十分明显的原因或是已知的事实。
如：
As the weather is so bad, we have to delay our journey.
(3) as引导让步状语从句时，通常用倒装结构。详情如下：
a. “形容词+ as +主语+系动词”或“副词+ as +主语+实义动词”。如：
Clever as he is, he didn't pass the exam.
Fast as you read, you can't finish the book in two days.
b. 名词+ as +主语+系动词（句首的名词前多不带冠词）。如：
Child as he is, he knows how to help others.
(4) as引导方式状语从句时，意为“如，像，按照”。如：
When in Rome do as the Romans do.
(5) as引导比较状语从句时，常用于as ... as ... 和not so / as ... as ... 结构中。如：
I hope the necklace is as good as the one you lent me.
His skin isn't so / as dark as it looks in the film.
5. no sooner ... than和hardly ... when意为“一……就……”，引导时间状语时，主句一般用过去完成时,从句用一般过去时。注意：no sooner, hardly 位于句首时，主句的主谓语要部分倒装。如：
I had no sooner reached home than it began to rain.
No sooner had I reached home than it began to rain.
She had hardly gone out when a student came to visit her.
Hardly had she gone out when a student came to visit her.
6. so ... that和such ... that
(1) so ... that 常用于以下结构：① so +
adj. / adv. + that 从句；②so + adj. + a(n) +可数名词单数形式+ that从句；③so + many / much / few / little + n. + that从句。如：
I am so tired that I want to sleep right now.
It was so interesting a story that I read it again and again.
The naughty boy has had so many falls that he is black and blue all over.
(2) such ... that 常用于以下结构：①such + a(n) + adj. +可数名词单数形式+ that 从句; ②such + adj. +可数名词复数形式+ that 从句；③such + adj. +不可数名词+ that从句。如：
This is such a good book that everyone likes it.
They are such lovely twins that everybody likes them very much.
It is such cold weather that I can see no one outside through the window.
注意：
so ... that引导结果状语从句时，如果“so +形容词/副词”位于句首，则主句的主谓语要部分倒装。如：
So cold was the weather that we had to stay at home.
So fast does light travel that we can hardly imagine its speed.
7. “疑问词+ ever”构成的复合词既可引导状语从句，又可引导名词性从句，但“no matter +疑问词”只可引导让步状语从句。如：
Whichever (= No matter which) book you borrow, you must return it in a week.
Whatever (= No matter what) may happen, we shall never lose hope.
Whoever is responsible for this should be punished.（此句中的Whoever不可用No matter who替换）
在含状语从句的复合句中，主、从句通常根据实际时间关系来确定动词的时态，但有一点需要注意：在时间状语从句、条件状语从句或由“疑问词-ever”、“no matter +疑问词”等引导的让步状语从句中，可以用一般现在时表将来。下面就状语从句考点进行归纳总结。
一、时间状语从句
选用括号内合适的内容补全下面句子。
Over time, ________ (as, though) the population grew, people began cutting food into small pieces so it would cook more quickly.
as
二、地点状语从句
where在地点状语从句中，除了指地点外，还可指处境等。
由where引导的地点状语从句与定语从句的区别：where引导定语从句时，从句前应有一个表示（抽象）地点或处所的名词作先行词，而状语从句前没有先行词。
1. ______ he once felt like giving up, he now has the determination to push further and keep on going.
A. Where B. As C. In case D. Now that
A
2. Half an hour later, Lucy still couldn’t get a taxi _____ the bus had dropped her.
A. until B. when
C. although D. where
D
三、原因状语从句
引导原因状语从句的常用连词有because, since, as, now (that)等。它们的用法区别是：because语气最强，述说直接原因，说明因果关系，常回答以why开头的问句；since, as和now (that)引导的从句用法相似，表示双方都知道的原因。
选用括号内合适的内容补全下面句子。
I really enjoy listening to music ________ (because, unless) it helps me relax and takes my mind away from other cares of the day.
because
四、让步状语从句
选用括号内合适的内容补全下面句子。
1. The gold medal will be awarded to ________ (whatever, whoever) wins the first place in the bicycle race.
whoever
2. ________ (Once, Although) birds use their feathers for flight, some of their feathers are for other purposes.
Although
五、目的状语从句
选用括号内合适的内容补全下面句子。
Let’s not pick these peaches until this weekend ________ (so that, even though) they get sweet enough to be eaten.
so that
六、结果状语从句
so ... that和such ... that表示“如此……以致于”, so后面接形容词或副词， such后面接名词。但名词前有many, much, few, little这些词修饰时, 要用so。“such + a(n) + adj. +单数名词+ that”可转换成“so + adj. + a(n) +单数名词+ that”。
七、条件状语从句
选用括号内合适的内容补全下面句子。
1. ________ (Once, Unless) you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
2. ________ (While, If ) we don’t stop climate
change, many animals and plants in the
world will be gone.
Unless
If
八、方式状语从句
引导方式状语从句的常用连词有as, as if / though。as if / though引导的状语从句的谓语动词常用虚拟语气，表示与事实相反的假设。如果从句所表达的内容被看作是事实或者有可能是事实时，就要用陈述语气。
九、比较状语从句
含as ... as ...的比较状语从句用在同级比较中, 若表否定用not so / as ... as ...。其中第一个so / as是副词, 修饰主句的形容词或副词的原形，后一个as是连词, 引导比较状语从句。
I. 从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. My mother was so touched by her gesture that she decided to go back to the store and give the cashier (收银员) a five-dollar bill to keep on hand ________ the same happened to someone else if they didn't have enough money for all of their groceries.
（2021年6月浙江卷）
A. in case B. even if C. as though D. so that
A
2. They decide to have more workers for the project ________ it won’t be delayed.
(2020 江苏)
A. even if B. as if
C. now that D. so that
3. —Why do people like pop music I hate it so much.
—________ it is not your style, that doesn’t
mean it is bad. (2020 天津)
A. Only if B. Even though
C. Now that D. In case
D
B
II. 短文改错
Then I can spare some time to learn it again, such that we can practice together every day. (2020 全国卷Ⅱ)
such——so
Ⅲ. 用适当的连词填空
__________ he asked the villagers on the banks of the river where he could find the legendary artist, they smiled and pointed down the river.
(2020 全国卷Ⅲ)
When/As
I. 选用方框内合适的短语并用其正确形式填空
（每个短语限用一次）。
so that, as if, in case, as soon as
1. All the soldiers had to take their masks with them ________________ there was a gas attack.
2. ____________ we said goodbye, my friend went back to his room closing the door behind him.
in case
As soon as
3. Jack wasn't saying anything, but the teacher smiled at him ________________ he had done something very clever.
4. Ecologists try to find out how the environment can be preserved ________________ living things will continue to survive on the planet.
so that, as if, in case, as soon as
as if
so that
II. 选用括号内合适的内容完成下列句子。
1. ________ (If, Before) he met that American girl, he couldn't speak English.
2. He smiled politely ________ (as, once) Mary apologised for her drunken friends.
3. ________ (Unless, Although) he doesn't speak Italian, he always goes to Italy on holiday.
Before
as
Although
4. Hard ________ (as, while) she tried, Ella found it difficult to make any progress in math.
5. ________ (While, Once) I always felt I would pass the exam, I never thought I would get an A.
6. I'm going to ask someone else, ________ (before, since) you obviously don't know the answer.
as
While
since
7. A number of high buildings have arisen ________ (when, where) there was nothing a year ago.
8. ________ (However, Whatever) hard you try, it is difficult to lose weight without cutting down the amount you eat.
where
However
9. Please call my secretary to arrange a meeting ________ (whenever, however) it is convenient for you.
10. You can always manage to do more things if you would like to, ________ (whatever, however) full your schedule is.
whenever
however
III. 选用括号内合适的内容完成下列短文。
We hear an awful lot about global warming these days, but what if that concept was taken to the extreme and the entire planet's ice melted
1. ________ (Although, When) in our everyday life naturally occurring ice may seem like a slippery ( 滑的) inconvenience, be careful 2. ________ (before, after) you wish it would all just disappear instantly.
Although
before
3. ________ (Before, If ) all of Earth's ice quickly melted away, the effects would be a global disaster. Shorelines would be totally different 4. ________ (until, as) over two hundred feet of ice water would spread inland. In the United States, cities like Miami and New Orleans would be completely submersed (没入水中的).
5. ________ (If, Because) you watch an ice cube melt in a glass of water, the water level will not change. Above or below the water line, a melted ice cube replaces exactly the same volume of water.
If
as
If
However, 6. ________ (after, unless) we add salt to the mix, in the case of a 1-cubic-inch ice cube, the water level in the glass will rise by 0.03 cubic inches. It's an increase in volume of nearly 3%. 7. ________ (Though, Because) it is a fairly small amount, things will be different 8. ________ (before, if ) you apply this to glaciers ( 冰川) and floating sea ice.
Currently, there are 5 million cubic miles of ice on Earth, and that ice is melting — science has already proven the fact.
after
Though
if
Scientists are predicting in approximately 5, 000 years Earth's average temperature will have risen from its current 58 degrees Fahrenheit to a level of 80. 9. ________ (If, Although) all of the ice on Earth were to melt overnight, the global sea level would rise approximately 230 feet. That's enough to cover London's Tower Bridge. All seven continents would be partially underwater.
If
Here are some sporting greats who believe sport has helped them to find value within themselves and improve other aspects of their lives.
Kurt Fearnley, three-time Australian Paralympic Gold Medallist: “Sport has helped me with goal setting,” says Kurt, “1. ________ (because, when) achieving success in sport is just like achieving success in other areas of your life and you have to plan well and take small steps to get to 2. ________ (when, where) you want to go.
because
where
I also think that dealing with anxiety, motivation, success and failure in sport can also be applied to a person's general life.”
Laura Geitz, Australian Diamonds netball player: As a spokesperson of Suncorp's #TeamGirls, Laura is a firm believer in team spirit. “My TeamGirl moment is not standing on the podium (讲台) receiving the gold medal — it's having those 11 other sisters beside me, 3. ________ (because, if ) there's no better feeling than being part of a group of girls. 4. ________ (If, Although) they play their role to the best of their ability, then the magic will happen,” she says.
because
If
Mia Hamm, US soccer player: “I just know how sport improved me. 5. ________ (Although, Since) I was a really young, shy kid who was also from a military family, we moved every 2-3 years. And sports was an easy way to make a connection 6. ________ (whenever, wherever) we moved to a new base, a new town, to people with similar interests. And I think it really helped give me confidence not only with that move but with feeling that I could contribute,” Mia says.
Since
whenever
Here is what Gabi Simpson, Australian Diamonds netball player had to say: “Taking strength from vulnerability (脆弱) is so important. 7. ________ (Unless, When) you're young, you want other people to create that confidence, but it's not until you can create it yourself that you're able to be the best you that you can be.”
When
September 24, 1896 marks the birth date of F. Scott Fitzgerald, one of the most important twentieth century American writers. His father, Edward, brought breeding, charm, and a sense of elegance to the family, 1. ________ (although, when) as a businessman, he experienced only small financial success. Fitzgerald's mother, Mollie McQuillan, was the daughter of an Irish immigrant (移民) who made a fortune in the wholesale grocery business.
although
2. ________ (When, Although) she came from a family of means, she had little interest in society life 3. ________ (unless, until) it was related to her son's future. The family lived comfortably on the outskirts (郊区) of the city's most fashionable residential neighborhood, Summit Avenue, thanks largely to the generosity of the McQuillan family. 4. __________ (Although, Because) the Fitzgeralds lived just blocks from the city's most elegant and wealthy families, they were not considered rich.
Although
unless
Although
It seems likely much of Fitzgerald's interest in society life began in his youth in Minnesota when he would play and associate with the rich children of the neighborhood — dancing, sailing, swimming — all the time knowing he was never entirely a part of their society.
The Fitzgeralds lived in Minnesota on and off during Scott's youth.
5. ________ (Though, When) his father's business folded in 1897, the elder Fitzgerald took a job the following year as a salesman, consequently moving his family to New York, first to Buffalo, then Syracuse, and then back to Buffalo. 6. ________ (After, If ) he was fired from his job in 1908, and just months before Scott's twelfth birthday, the family had to return to St.
When
After
Paul where the McQuillan family still lived. From that point, the Fitzgeralds mainly lived off the McQuillan family fortune. 7. ________ (Because, Although) Scott would call St. Paul home from 1908 to 1922, he was often not there. Rather, he spent much of that time at boarding school, at Princeton University, in the army, and in New York City.
Although
Driver assistance technologies in today's motor vehicles are helping to save lives and prevent injuries.
A number of today's new motor vehicles have technology that helps drivers avoid making unsafe lane (车道) changes, or that warns drivers of other vehicles behind them 1. ________ (when, where) they are backing up, or that brakes automatically 2. ________ (though, if ) a vehicle ahead of them stops or slows suddenly, among other things.
when
if
These and other safety technologies use a combination of hardware (sensors, cameras, and radar) and software to help vehicles identify certain safety risks 3. ________ (so that, unless) they can warn the driver to act to avoid a crash.
The continuing evolution of automotive technology aims to deliver even greater safety benefits and — one day — deliver automated driving systems (ADS) that can handle the whole task of driving 4. ________ (where, when) we don't want to or can't do it ourselves.
so that
when