Unit1Teenagers today(Part2Grammar)同步练习2026-2027学年外研版英语九年级上册
2026年秋季九年级上册英语(外研版)学科同步练习
Unit1 Teenagers today
Part2 Grammar——条件状语从句和原因状语从句
一、 单项选择
( ) 1. If he earlier in the morning， he late for school.
A. gets up； won’t be B. gets up； isn’t C. will get up； won’t be
( ) 2. Enping is a great place to visit it is famous for hot springs (温泉) and delicious food.
A. if B. so C. because
( ) 3. We will have the sports meeting the weather improves.
A. unless B. if C. but
( ) 4. Mary thinks geography is really difficult she can’t understand the maps well.
A. but B. because C. so
( ) 5. We didn’t enjoy the day the weather was so bad.
A. since B. unless C. though
二、 用 if或because填空
1. She made great progress in English speaking she practised hard every day.
2. you work hard， you will get good grades.
3. you smile at someone， he or she will smile back at you.
4. We must protect the redwood forests they are home to many animals.
5. He was late for school he got up late this morning.
三、 按要求完成或翻译句子
1. Richard keeps trying new ideas. He will succeed. (合并为含if引导的条件状语从句的复合句)
2. He didn’t go to school yesterday. He was ill. (合并为含because引导的原因状语从句的复合句)
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3. 如果你想帮助他人， 你可以加入这个志愿者团体。
4. 我想成为一名歌手， 因为音乐让我快乐。
5. 如果Linda上台演讲， 她就会变得紧张。
四、 语法选择
Anna Du was walking along the beach when she noticed plastics there. She tried to pick them up but found there were too many tiny pieces. It seemed 1 impossible task to clean them all up.
Du was 12 years old at that time. She wanted to know more about ocean plastic pollution， so she searched for useful 2 on the internet. “I believe I 3 more about the problem if I keep looking for facts，” she said. She would like to build a small machine to help solve this problem and said， “I will work harder， 4 I want to make the machine work well in water.”
She learned the simple skills to build it from science classes. She failed many times， but she never gave up. 5 great her idea was！ Many people praised (表扬) her for her creativity and effort.
When talking about her dream， Du thanks 6 parents for their support. She 7 to science activities from time to time. She spends much time working on the machine 8 . Now it works 9 than she expected. She wants to be an engineer and plans 10 more useful things to protect the ocean.
( ) 1. A. a B. an C. the
( ) 2. A. information’s B. informations C. information
( ) 3. A. will know B. know C. knew
( ) 4. A. because B. so C. though
( ) 5. A. How B. What C. What a
( ) 6. A. she B. her C. hers
( ) 7. A. was taken B. are taken C. is taken
( ) 8. A. happy B. happily C. happiness
( ) 9. A. good B. better C. best
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( ) 10. A. invent B. to invent C. inventing
一、 单项选择
( ) 1.If the government doesn’t close down the factory， a lot of plants near it .
A. killed B. have killed C. will be killed
( ) 2. It is good for your health you take a walk after supper.
A. until B. if C. although
( ) 3. Peter didn’t buy the bike he got a new one on his birthday last month.
A. if B. when C. because
( ) 4. If you hard， you better grades.
A. work； get B. will work； get C. work； will get
( ) 5. He was late for school the traffic was heavy.
A. because B. so C. if
二、 用because或if填空
1.We will go camping this weekend the weather is sunny and warm.
2.—Why were you late for school this morning？
— my bike broke down on the way.
3. you have finished your homework already， you can help your mum with some housework.
4. You will get good grades in the final exam you keep working hard every day.
5. Linda didn’t go to the movies with her friends she needed to prepare for the English speech contest.
三、 按要求完成或翻译句子
1. You keep practising English every day. Your English will improve a lot. (改为含if引导的条件状语从句的复合句)
2. Tom didn’t take part in the sports meeting. He hurt his left leg in a PE class last week. (改为含because引导的原因状语从句的复合句)
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