【专题讲义】2020年最新中考英语一轮复习 专题35 条件状语从句知识点、考点及考题专题精讲(学生版+解析版)

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名称 【专题讲义】2020年最新中考英语一轮复习 专题35 条件状语从句知识点、考点及考题专题精讲(学生版+解析版)
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【专题讲义】2020年中考英语一轮复习
专题35 条件状语从句知识点、考点及考题专题精讲(学生版)

条件状语从句,即在某种条件下,一件事情可能发生。在英语中由连接词if或unless等引导的状语从句叫作条件状语从句。条件是指某一件事情实现之后(状语从句中),一件事情(主句)才能发生,通常译作"假如,只要,如果"等意思。条件状语从句中,主从句的时态要遵循"主将从现"的原则。即,主句是将来时态时,从句用一般现在时代替将来时态。
引导条件状语从句的连词或词组有:if(如果),unless(除非),as long as(只要)等。如果主句是将来时,条件状语从句也用一般现在时来表示。如:
I will stay at home if it rains tomorrow. 如果明天下雨,我就待在家。
You can’t learn English well unless you work hard.
除非你努力学习,否则是学不好英语的。
1.if引导的条件状语从句
表示在某种条件下某事很可能发生。
If we pay much attention to the earth, we’ll have a better world.
如果我们多关爱地球,就会拥有一个更美好的世界
If it rains tomorrow, what shall we do? 如果明天下雨,我们怎么办?
If you ask him, he will help you. 如果你请他帮忙,他会帮你的。
If you fail in the exam, you will let him down.
如果你考试不及格,你会让他失望的。
注意:if还可以引导虚拟条件句,表示不可实现的条件,从句中多用一般过去时或过去完成时。
What would happen if there were no water? 如果没有水会怎样?
2. unless引导的条件状语从句
unless的意思是"如果不,除非"。可与if... not互换。
You will fail in English unless you work hard.
你英语考试会不及格的,除非你更加努力。
You will fail to arrive there in time unless you start earlier.
如果你不早点动身,你就不能及时赶到那儿。
Unless it rains, the game will be played. 除非下雨,比赛将照常进行。
3. as /so long as引导的条件状语从句
as /so long as的意思是"只要"
So long as you’re happy, I will be happy. 只要你高兴,我就高兴。
You may borrow my book as long as you keep it clean.
只要你保持书的清洁,你就可以把我的书借去。
4. once引导的条件状语从句
once引导的条件状语从句,意为"一旦……就",从句可置于主句前或后。
Once you begin, never stop. 一旦开始,就绝不要停止。
Maths is easy to learn once you understand the rules.
一旦你理解了规则,数学就不难学了。
提示:在条件状语从句中,用一般现在时代替一般将来时,用一般过去时代替过去将来时。
If the weather is bad next week, we’ll put off the climbing.
如果下周天气不好,我们将推迟爬山。
Father told me if I worked hard he would buy me a gift.
爸爸告诉我,如果我努力学习,他会给我买一份礼物。
5. 引导条件状语从句最常用的连词是if,常见的if条件状语从句表示在某条件下,某事很可能发生,条件是可能存在的,主句中某种情况发生的概率也是很高的。如:
If you ask him, he will help you. 如果你请他帮忙,他会帮你的。
If you fail in the exam, you will let him down.
如果你考试不及格,你会让他失望的。
If you have finished the homework, you can go home.
如果你作业做完了就可以回家了。
另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设。从句多用一般过去时或过去完成时,表示对现在或过去的一种假设。如:
If I were you, I would invite him to the party.
如果我是你,我会邀请他参加聚会。
I would have arrived much earlier if I had not been caught in the traffic.
要不是交通堵塞,我本会来得早一些。
6. if 条件句的时态搭配
(1)if从句用一般现在时,主句用一般将来时。
If he runs he’ll get there in time. 如果他用跑的,他就会及时赶到那儿。
The cat will scratch you if you pull her tail. 如果你拉猫的尾巴,它就会抓你。
(2)if从句用一般现在时,主句用may/might/can。
If the fog gets thicker the plane may/might be diverted.
如果雾再大一些,飞机可能就会改在别的机场降落。
If it stops snowing we can go out. 如果雪停了,我们就可以出去。
(3)if从句用一般现在时,主句用must/should。
If you want to lose weight you must/should eat less bread.
如果你想减肥,你必须少吃面包。
(4)if从句用一般现在时,主句用一般现在时。
If you heat ice it turns to water. (也可用will turn)如果把冰加热,它就会化成水。
(5)if从句用现在进行时,主句用一般将来时。
If you are looking for Peter you’ll find him upstairs.
如果你是在找彼得,上楼就会找到他。
(6)if从句用现在完成时,主句用一般将来时。
If you have finished dinner I’ll ask the waiter for the bill.
如果你吃完了,我就叫服务生来算账。
【知识拓展】
1. 在以when,before,as soon as等引导的时间状语从句,也适用"主将从现"原则,即如果主句是一般将来时,从句则用一般现在时。
I’ll tell her the good news when she comes back.
当她回来的时候,我将把这个好消息告诉她。
she will give you a call as soon as she returns.
她一回来就会给你电话。
2.If条件句的同义句:祈使句,and /or+将来时态的陈述句。
Work hard, and you will make great progress.
= If you work hard, you will make great progress.
如果你努力学习,你就会取得大的进步。
Hurry up, or you will be late.
=If you don’t hurry up, you will be late.
如果你不快点,你就要迟到了。
【巧学妙记】
" if " 引导的条件状语从句的记忆口诀
if 条件句不一般,几个要点记心间;
条件句,放在前,逗号要放句中间。
条件句表真实,主将从现要遵从;
条件句非真实,虚拟语气用到位。

一、用所给词的适当形式填空
1. If you _______________(feel) tired, you _______________(have) to have a rest.
2. Where _______________he _______________(see) the film if he _______________(have) time?
3. If there _______________(be) fewer trees, there _______________( be) more pollution.
4. He _______________(dress) more casually if he _______________( not work) on weekends.
5. If Marcia _______________(live) alone, she _______________( keep) a pet dog.
6. Lana _______________(buy) a new dress if the old one _______________(be) out of style.
7. The twins _______________(fight) if they _______________(argue).
8. I _______________(sell) my paintings if I _______________(need) money for education.
9. Peter _______________( send) me a beautiful souvenir if he _______________(tour) Spain.
10. If Mr. Green _______________(say) I am hard-working, my parents _______________(feel) glad.
11. I _______________(go) to the beach if it _______________(not rain) this week.
12. _______________they _______________(have) a match if the P.E. teacher _______________(be) busy?
13. He _______________(write) a letter to his grandparents if he _______________(get) his report card this week.
14. If she _______________(get) up late, she _______________(not catch) the early bus.
15. Peter _______________(major) in English if he _______________(pass) the exams in Peking University.
二、完成句子
1. 如果他到的晚了会发生什么事情?
What _______________ _______________if he _______________late?
2. 如果努力学习,你就会取得好成绩。
If you _______________ _______________, you _______________ _______________ _______________ _______________.
3. 他如果看电视太久了,他的父母会不高兴。
If he _______________ TV too much, his parents _______________ _______________ unhappy.
4. 如果我们为他组织生日聚会,大家都会来的。
Everyone _______________come if we _______________a birthday party _______________him.
5. 如果明天不下雨,我会和你一起去公园的。
If it _______________ _______________tomorrow, I _______________go to the park _______________you.
6. 如果她起晚了,就会旅游迟到。
She ______________ ______________ ______________ ______________ the trip if she ______________ ______________ late
7. 如果他有空,他会帮助你的。
If he _______________ _______________, he _______________ _______________you.
8. 如果Tom成为足球运动员,他就不会上大学了。
Tom _______________ _______________go to the college if he _______________a soccer player..
9. 你如果不完成作业就不能学好各门功课。
You _______________ _______________good at all the subjects if you _______________finish the homework.
10. 如果你上课睡觉,老师会生气。
If you _______________in class, your teacher _______________ _______________ _______________.

1. (2019 ? 黑龙江省齐齐哈尔市)—The students of Grade 9 have to take part in the P.E. test.
—Yes, _____you want to pass it and be stronger, practice more.
A. unless B. until C. if
2. (2019 ? 贵州省贵阳市)Our eyesight will become poorer and poorer we keep playing with phones.
A. though B. unless C. if
3. (2019 ? 青海省中考)The environment will be much worse __________ everyone has a sense of protecting it.
A. unless B. if C. so that
4. (2019 ? 安徽省)Our business won’t improve __________ we offer better service to our customers.
A. because B. unless C. after D. since
5. (2018 ? 菏泽中考)—I really want to pass the exam for further study.
—Believe in yourself, dear! Your dream will came true ___________ you put your heart into it.
A. even if B. as long as C. as soon as
6. (2018 ? 安顺中考)—The weather report says that it ___________ tomorrow in most parts of Anshun city.
—If it ___________, the school sports meet will be canceled.
A. will rain; will rain B. will rain; rains
C. rains; will rain D. rains; rains
7. (2018 ? 恩施中考)If you are caught smoking in the kitchen, you ___________ by your boss.
A. will fire B. are fired C. will be fired
8. (2018 ? 江西中考)—Can students go online during lessons?
—They can ___________ it is for that lesson.
A. if B. or C. so D. but
9. (2018 ? 四川乐山中考)—Thank you for telling me so much knowledge about nature.
—Don’t mention it. ___________ you have more questions, come to me any time.
A. If B. Because C. Though
10. (2018 ? 菏泽中考)—I really want to pass the exam for further study.
—Believe in yourself, dear! Your dream will came true you put your heart into it.
A. even if B. as long as C. as soon as

1. (安徽省亳州市利辛县2018届九年级10月月考)You won’t get to the subway station before 9 :00 am _______________ you leave earlier.
A. unless B. until C. because D. when
2. (黑龙江杜尔伯特县蒙古族中学2018届九年级(五四学制)上学期期中)If New Mart _______________ 24 hours a day during the winter holiday, I will feel _______________.
A. is open;excited B. is open;exciting
C. will open;excited D. will open;exciting
3. (云南省马龙县通泉镇中学2017届九年级下学期第一次模拟)I won’t be able to understand what you say, you speak too quickly.
A. if B. though C. because D. but
4. Lucy and I have been friends for years. _______________ my memory is correct, we first met in a meeting.
A. If B. Because C. Though D. When
5. (广东省东莞市2017届中考冲刺考前押题)I think you should complain _______________ you are happy with the situation.
A. unless B. however C. after D. though
6. (江苏省扬州市江都区2017届中考第二次模拟)I will have to close my clothes shop _______________ my business improves.
A. if B. unless C. after D. when
7. Chuck will go swimming with us tomorrow afternoon _______________ he can finish his homework by then.
A. so B. but C. if D. or
8. _______________ you have a picnic this weekend, remember to call me.
A. As B. For C. If D. Because
9. (江苏省盐城市毓龙路实验学校2017届九年级中考第一次模拟)I usually sleep with the window open ______________ it’s very cold.
A. until B. as C. if D. unless
10. (江苏省徐州市部分学校2017届九年级二模联考)—Could you give me some advice on travelling?
—Take a map with you _______________ you have a guide or you know the city well.
A. if B. unless C. although D. because
11. (上海市华东师范大学第二附属中学2017届九年级下学期周测)It is seven o’clock. You will be late for school _______________ you get up right now.
A. unless B. until C. when D. though
12. —Excuse me, could you please tell me if the meeting _______________ on time?
—If it _______________ tomorrow, we’ll have to put it off.
A. will hold;snows B. will be held;snows
C. will be held;snow D. holds;will snow
【专题讲义】2020年中考英语一轮复习
专题35 条件状语从句知识点、考点及考题专题精讲(解析版)

条件状语从句,即在某种条件下,一件事情可能发生。在英语中由连接词if或unless等引导的状语从句叫作条件状语从句。条件是指某一件事情实现之后(状语从句中),一件事情(主句)才能发生,通常译作"假如,只要,如果"等意思。条件状语从句中,主从句的时态要遵循"主将从现"的原则。即,主句是将来时态时,从句用一般现在时代替将来时态。
引导条件状语从句的连词或词组有:if(如果),unless(除非),as long as(只要)等。如果主句是将来时,条件状语从句也用一般现在时来表示。如:
I will stay at home if it rains tomorrow. 如果明天下雨,我就待在家。
You can’t learn English well unless you work hard.
除非你努力学习,否则是学不好英语的。
1.if引导的条件状语从句
表示在某种条件下某事很可能发生。
If we pay much attention to the earth, we’ll have a better world.
如果我们多关爱地球,就会拥有一个更美好的世界
If it rains tomorrow, what shall we do? 如果明天下雨,我们怎么办?
If you ask him, he will help you. 如果你请他帮忙,他会帮你的。
If you fail in the exam, you will let him down.
如果你考试不及格,你会让他失望的。
注意:if还可以引导虚拟条件句,表示不可实现的条件,从句中多用一般过去时或过去完成时。
What would happen if there were no water? 如果没有水会怎样?
2. unless引导的条件状语从句
unless的意思是"如果不,除非"。可与if... not互换。
You will fail in English unless you work hard.
你英语考试会不及格的,除非你更加努力。
You will fail to arrive there in time unless you start earlier.
如果你不早点动身,你就不能及时赶到那儿。
Unless it rains, the game will be played. 除非下雨,比赛将照常进行。
3. as /so long as引导的条件状语从句
as /so long as的意思是"只要"
So long as you’re happy, I will be happy. 只要你高兴,我就高兴。
You may borrow my book as long as you keep it clean.
只要你保持书的清洁,你就可以把我的书借去。
4. once引导的条件状语从句
once引导的条件状语从句,意为"一旦……就",从句可置于主句前或后。
Once you begin, never stop. 一旦开始,就绝不要停止。
Maths is easy to learn once you understand the rules.
一旦你理解了规则,数学就不难学了。
提示:在条件状语从句中,用一般现在时代替一般将来时,用一般过去时代替过去将来时。
If the weather is bad next week, we’ll put off the climbing.
如果下周天气不好,我们将推迟爬山。
Father told me if I worked hard he would buy me a gift.
爸爸告诉我,如果我努力学习,他会给我买一份礼物。
5. 引导条件状语从句最常用的连词是if,常见的if条件状语从句表示在某条件下,某事很可能发生,条件是可能存在的,主句中某种情况发生的概率也是很高的。如:
If you ask him, he will help you. 如果你请他帮忙,他会帮你的。
If you fail in the exam, you will let him down.
如果你考试不及格,你会让他失望的。
If you have finished the homework, you can go home.
如果你作业做完了就可以回家了。
另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设。从句多用一般过去时或过去完成时,表示对现在或过去的一种假设。如:
If I were you, I would invite him to the party.
如果我是你,我会邀请他参加聚会。
I would have arrived much earlier if I had not been caught in the traffic.
要不是交通堵塞,我本会来得早一些。
6. if 条件句的时态搭配
(1)if从句用一般现在时,主句用一般将来时。
If he runs he’ll get there in time. 如果他用跑的,他就会及时赶到那儿。
The cat will scratch you if you pull her tail. 如果你拉猫的尾巴,它就会抓你。
(2)if从句用一般现在时,主句用may/might/can。
If the fog gets thicker the plane may/might be diverted.
如果雾再大一些,飞机可能就会改在别的机场降落。
If it stops snowing we can go out. 如果雪停了,我们就可以出去。
(3)if从句用一般现在时,主句用must/should。
If you want to lose weight you must/should eat less bread.
如果你想减肥,你必须少吃面包。
(4)if从句用一般现在时,主句用一般现在时。
If you heat ice it turns to water. (也可用will turn)如果把冰加热,它就会化成水。
(5)if从句用现在进行时,主句用一般将来时。
If you are looking for Peter you’ll find him upstairs.
如果你是在找彼得,上楼就会找到他。
(6)if从句用现在完成时,主句用一般将来时。
If you have finished dinner I’ll ask the waiter for the bill.
如果你吃完了,我就叫服务生来算账。
【知识拓展】
1. 在以when,before,as soon as等引导的时间状语从句,也适用"主将从现"原则,即如果主句是一般将来时,从句则用一般现在时。
I’ll tell her the good news when she comes back.
当她回来的时候,我将把这个好消息告诉她。
she will give you a call as soon as she returns.
她一回来就会给你电话。
2.If条件句的同义句:祈使句,and /or+将来时态的陈述句。
Work hard, and you will make great progress.
= If you work hard, you will make great progress.
如果你努力学习,你就会取得大的进步。
Hurry up, or you will be late.
=If you don’t hurry up, you will be late.
如果你不快点,你就要迟到了。
【巧学妙记】
" if " 引导的条件状语从句的记忆口诀
if 条件句不一般,几个要点记心间;
条件句,放在前,逗号要放句中间。
条件句表真实,主将从现要遵从;
条件句非真实,虚拟语气用到位。

一、用所给词的适当形式填空
1. If you _______________(feel) tired, you _______________(have) to have a rest.
2. Where _______________he _______________(see) the film if he _______________(have) time?
3. If there _______________(be) fewer trees, there _______________( be) more pollution.
4. He _______________(dress) more casually if he _______________( not work) on weekends.
5. If Marcia _______________(live) alone, she _______________( keep) a pet dog.
6. Lana _______________(buy) a new dress if the old one _______________(be) out of style.
7. The twins _______________(fight) if they _______________(argue).
8. I _______________(sell) my paintings if I _______________(need) money for education.
9. Peter _______________( send) me a beautiful souvenir if he _______________(tour) Spain.
10. If Mr. Green _______________(say) I am hard-working, my parents _______________(feel) glad.
11. I _______________(go) to the beach if it _______________(not rain) this week.
12. _______________they _______________(have) a match if the P.E. teacher _______________(be) busy?
13. He _______________(write) a letter to his grandparents if he _______________(get) his report card this week.
14. If she _______________(get) up late, she _______________(not catch) the early bus.
15. Peter _______________(major) in English if he _______________(pass) the exams in Peking University.
二、完成句子
1. 如果他到的晚了会发生什么事情?
What _______________ _______________if he _______________late?
2. 如果努力学习,你就会取得好成绩。
If you _______________ _______________, you _______________ _______________ _______________ _______________.
3. 他如果看电视太久了,他的父母会不高兴。
If he _______________ TV too much, his parents _______________ _______________ unhappy.
4. 如果我们为他组织生日聚会,大家都会来的。
Everyone _______________come if we _______________a birthday party _______________him.
5. 如果明天不下雨,我会和你一起去公园的。
If it _______________ _______________tomorrow, I _______________go to the park _______________you.
6. 如果她起晚了,就会旅游迟到。
She ______________ ______________ ______________ ______________ the trip if she ______________ ______________ late
7. 如果他有空,他会帮助你的。
If he _______________ _______________, he _______________ _______________you.
8. 如果Tom成为足球运动员,他就不会上大学了。
Tom _______________ _______________go to the college if he _______________a soccer player..
9. 你如果不完成作业就不能学好各门功课。
You _______________ _______________good at all the subjects if you _______________finish the homework.
10. 如果你上课睡觉,老师会生气。
If you _______________in class, your teacher _______________ _______________ _______________.

1. (2019 ? 黑龙江省齐齐哈尔市)—The students of Grade 9 have to take part in the P.E. test.
—Yes, _____you want to pass it and be stronger, practice more.
A. unless B. until C. if
2. (2019 ? 贵州省贵阳市)Our eyesight will become poorer and poorer we keep playing with phones.
A. though B. unless C. if
3. (2019 ? 青海省中考)The environment will be much worse __________ everyone has a sense of protecting it.
A. unless B. if C. so that
4. (2019 ? 安徽省)Our business won’t improve __________ we offer better service to our customers.
A. because B. unless C. after D. since
5. (2018 ? 菏泽中考)—I really want to pass the exam for further study.
—Believe in yourself, dear! Your dream will came true ___________ you put your heart into it.
A. even if B. as long as C. as soon as
6. (2018 ? 安顺中考)—The weather report says that it ___________ tomorrow in most parts of Anshun city.
—If it ___________, the school sports meet will be canceled.
A. will rain; will rain B. will rain; rains
C. rains; will rain D. rains; rains
7. (2018 ? 恩施中考)If you are caught smoking in the kitchen, you ___________ by your boss.
A. will fire B. are fired C. will be fired
8. (2018 ? 江西中考)—Can students go online during lessons?
—They can ___________ it is for that lesson.
A. if B. or C. so D. but
9. (2018 ? 四川乐山中考)—Thank you for telling me so much knowledge about nature.
—Don’t mention it. ___________ you have more questions, come to me any time.
A. If B. Because C. Though
10. (2018 ? 菏泽中考)—I really want to pass the exam for further study.
—Believe in yourself, dear! Your dream will came true you put your heart into it.
A. even if B. as long as C. as soon as

1. (安徽省亳州市利辛县2018届九年级10月月考)You won’t get to the subway station before 9 :00 am _______________ you leave earlier.
A. unless B. until C. because D. when
2. (黑龙江杜尔伯特县蒙古族中学2018届九年级(五四学制)上学期期中)If New Mart _______________ 24 hours a day during the winter holiday, I will feel _______________.
A. is open;excited B. is open;exciting
C. will open;excited D. will open;exciting
3. (云南省马龙县通泉镇中学2017届九年级下学期第一次模拟)I won’t be able to understand what you say, you speak too quickly.
A. if B. though C. because D. but
4. Lucy and I have been friends for years. _______________ my memory is correct, we first met in a meeting.
A. If B. Because C. Though D. When
5. (广东省东莞市2017届中考冲刺考前押题)I think you should complain _______________ you are happy with the situation.
A. unless B. however C. after D. though
6. (江苏省扬州市江都区2017届中考第二次模拟)I will have to close my clothes shop _______________ my business improves.
A. if B. unless C. after D. when
7. Chuck will go swimming with us tomorrow afternoon _______________ he can finish his homework by then.
A. so B. but C. if D. or
8. _______________ you have a picnic this weekend, remember to call me.
A. As B. For C. If D. Because
9. (江苏省盐城市毓龙路实验学校2017届九年级中考第一次模拟)I usually sleep with the window open ______________ it’s very cold.
A. until B. as C. if D. unless
10. (江苏省徐州市部分学校2017届九年级二模联考)—Could you give me some advice on travelling?
—Take a map with you _______________ you have a guide or you know the city well.
A. if B. unless C. although D. because
11. (上海市华东师范大学第二附属中学2017届九年级下学期周测)It is seven o’clock. You will be late for school _______________ you get up right now.
A. unless B. until C. when D. though
12. —Excuse me, could you please tell me if the meeting _______________ on time?
—If it _______________ tomorrow, we’ll have to put it off.
A. will hold;snows B. will be held;snows
C. will be held;snow D. holds;will snow

一、用所给词的适当形式填空
1. feel;will have 2. will;see;has 3. are;will be
4. will dress;doesn’t work
5. lives;will keep 6. will buy;is 7. will fight;argue
8. will sell;need
9. will send;tours 10. says;will feel 11. will go;doesn’t rain
12. Will;have;is
13. will write;gets 14. gets;won’t catch 15. will major;passes
二、完成句子
1. will happen;is 2. study hard;will get good grades
3. watches;will be
4. will;organize;for 5. doesn’t rain;will;with
6. will be late for;gets up
7. is free;will help 8. will never;becomes
9. won’t be;don’t 10. sleep;will be angry
1. C【解析】句意:——九年级的学生们必须参加体育考试。——是的,如果你想通过它更强壮,更多的练习吧。A. unless如果;B. until直到;C. if如果。根据practice more.可知,这里是if引导的条件状语从句,遵循主句是祈使句,从句用一般现在时态。根据题意,故选C。
2. C【解析】句意:如果我们继续玩手机,我们的视力会越来越差。A. though尽管,虽然;B. unless除非;C. if如果。这里是if引导的条件状语从句,遵循主句用一般将来时,从句用一般现在时态,根据题意,故选C。
3. A 【解析】句意:除非每个人有保护环境的意识,否则环境将会更糟糕。A表示除非,B表示如果,C表示为了。根据题干可知除非每个人有保护环境的意识,否则环境将会更糟糕,本句是unless引导的条件状语从句。故选A。
4. B【解析】句意:除非我们为顾客提供更好的服务,否则我们的生意就不会好转。because因为,引导原因状语从句;unless除非,引导条件状语从句;after在……之后,引导时间状语从句;since自从,引导时间状语从句。根据主句Our business won’t improve以及从句中offer better service可知,从句中也应表示否定的意思,unless相当于if…not,"如果不",符合句意,故选B。
5. B【解析】句意:——我真的想通过考试,继续深造。——相信你自己,亲爱的!只要你用心去做,你的梦想就会成真。考查连词辨析题。A. even if即使,表让步;B. as long as只要,表条件;C. as soon as一……就……。本句是条件状语从句,需用as long as连接。根据句意语境,可知选B。
6. B【解析】句意:——天气预报说明天安顺大部分地区会下雨。——如果下雨,学校体育运动将会取消。第一个句子为宾语从句,根据tomorrow判断,从句的时态为一般将来时,首先排除C,D;第二个句子中,if引导的是条件状语从句,遵循“主将从现”的原则,因为主句是一般将来时,因此if引导的从句用一般现在时,故答案为B。
7. C【解析】句意:如果你在厨房里被抓到吸烟,你就会被老板开除。你只能“被开除”,所以需要使用被动语态be done,如果主句是将来时,那么if引导的条件状语从句用一般现在时表将来,这是主将从现的用法,本题中从句是说如果被抓到抽烟的话,用了一般现在时,那么主句用一般将来时,表示“你将会被开除”,所以用一把将来时的被动语态,will be done,故选C,
8. A【解析】句意:——学生可以在课上上网吗?——如果是为了上课,他们可以上网。考查连词辨析题。if如果,表条件;or或者,表选择;so所以,表结果;but但是,表转折。答句是条件状语从句,需用if连接。根据句意结构,可知选A。
9. A【解析】句意:——谢谢你告诉我这么多关于自然的知识。——别提了。如果你有更多的问题,随时找我。考查连词辨析题。本句是条件状语从句,需用if连接,而because表原因,though表让步,都可排除。根据句意结构和语境,可知选A。
10. B【解析】句意:——我真的想通过考试,继续深造。——相信你自己,亲爱的!只要你用心去做,你的梦想就会成真。考查连词辨析题。A. even if即使,表让步;B. as long as只要,表条件;C. as soon as一…就…。本句是条件状语从句,需用as long as连接。根据句意语境,可知选B。
1. A 【解析】句意:除非你早点离开,否则你在九点之前不会到达地铁站。A. unless除非……;B. until直到……;C. because因为……;D. when什么时间。根据题意,除非你早点离开,所以连接词用unless。故正确答案为A。
2. A 【解析】句意:如果新玛特在寒假期间一天24小时营业,我将会感到很激动。if引导的条件状语从句不用将来时态,用一般现时态来代替;excited形容词,主要指人感到激动;exciting形容词,主要指令人激动的事,故选A。
3. A 【解析】句意:如果你说得太快,我将不能理解你说的话。A. if 如果;B. though 尽管;C. because 因为;D. but但是。这里是主将从现,if后引导的是一般现在时,主句用的是一般将来时。故选A。
4. A 【解析】句意:Lucy和我是多年的好朋友,如果我的记忆没错,我们第一次见面是在一次会议上。if如果,引导条件状语从句;because因为,引导原因状语从句;though尽管,引导让步状语从句;when当……时候,引导时间状语从句。根据句意可知,这里表示条件,故应选A。
5. A 【解析】句意:我认为你应该抱怨,除非你对这种情况感到满意。A. unless除非,如果不;B. however然而;可是;无论如何;C. after在……以后;D. though即使;虽然,尽管,不过,可是。结合句意和语境可知选A。
6. B 【解析】句意:除非我的生意有起色,否则我要关闭我的服装店。A.如果;B.除非;C.在……之后;D.当……时候。故选B。
7. C 【解析】句意:明天下午Chuck将和我们一起去游泳,如果到那时他能完成他的作业的话。so所以;but但是;if如果;or或者。If引导的条件状语从句用一般现在时,主句用一般将来时,故选C。
8. C 【解析】句意:如果这个周末你去野餐,记得给我打电话。As当……时候;for因为;if如果;because因为。根据this weekend可知此处对这个周末的假设,故用if引导的条件状语从句,故选C。
9. D 【解析】句意:除非天冷,否则我们都开窗睡觉。A.直到……;B.当;C.如果;D.除非。根据句意,故选D。
10. B 【解析】句意:——你能给我一些关于旅行的建议吗?——如果没有向导或者对城市不很了解,那么就随身带着一张地图。A. if如果;B. unless除非,如果不;C. although虽然,尽管;D. because因为。故选B。
11. A 【解析】句意:现在7点了,如果你现在不起床你就会上学迟到了。A. unless除非;B. until 直到……; C. when当……时候;D. though尽管。故选A。
12. B 【解析】句意:——对不起,请你告诉我会议是否将如期举行?——如果明天下雪,我们将不得不推迟。在问句中if 表示"是否",引导宾语从句,而the meeting和hold是被动关系,故应该使用一般将来时的被动语态。答句中的if表示"如果",引导条件状语从句,主句用一般将来时,从句常用一般现在时表将来,故选B。

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