Unit 4 Amazing Science 课时作业 2024-2025学年英语仁爱版九年级上册

九年级Unit 4
Ⅰ.选择填空
( )1.The 31st Summer World University Games(第31届夏季世界大学生运动会) was　　　　big event for Chengdu.
A.a　　　　　　B.an
C.the
( )2.You won't pass the P.E. exam successfully　　　　you exercise every day.
A.if B.unless
C.as long as
( )3.You should turn off the lights　　　　you leave the room.
A.until B.before
C.although
( )4.—Excuse me, but we　　　　wait in line to get on the subway.
—I'm sorry.
A.might B.would
C.should
( )5.If you heat ice, it　　　　into water.
A.will turn B.turned
C.was turning
( )6.—Excuse me, sir.　　　　is the subway station from here
—It's about 5 minutes' walk.
A.How soon B.How far
C.How long
( )7.Oh, she smiles!She nods!She understands!I believe the robot is　　　　in the world.
A.smart B.smarter
C.the smartest
( )8.—Do you know　　　　
—Yes, in Hangzhou, a beautiful city in Zhejiang Province.
A.where was the 19th Asian Games held
B.when the 19th Asian Games was held
C.where the 19th Asian Games was held
( )9.—　　　　clean the classroom is!
—So it is.The students clean it every day.
A.How B.What
C.What a
( )10.I can't understand the book which 　　　　by her yesterday.
A.is bought
B.was bought
C.will be bought
Ⅱ.阅读理解
(科技创新)Over two weeks have passed, but that moment is still fresh in my mind. It was around 8 a.m., on the first of May. Many people were waving goodbye to me as I slowly departed from (离开) my home. Yes, it was finally time for my first sea trials (海试)!
I'm China's newest aircraft carrier (航空母舰), Type 003. People also call me the Fujian. It took six years to build me, and the construction was completed on June 17, 2022, in Shanghai. I have two elder brothers, Type 001, the Liaoning, and Type 002, the Shandong.
As you may have noticed, I've followed the family tradition of being named after a province. But I'm quite different from my brothers. To begin with, I was 100% designed and built by Chinese hands. This is a first for my country. I'm also much bigger than the Liaoning and the Shandong. My flight deck (飞行甲板) is much larger. And just guess how heavy I am! When I'm fully loaded, I weigh around 100,000 tonnes! Moreover, I have been given a lot of cool technologies. My brothers use the “ski-jump” method for launching aircraft. That means you can find a ramp at the end of their short runways. I work differently. I have three Electromagnetic Aircraft Launch Systems. They allow planes to take off at higher speeds. I can also launch larger and heavier aircraft than my brothers.
During my eight days at sea,scientists ran many different tests on me. They wanted to see if I could work well. Those tests will help me serve the PLA Navy (中国海军) better, and I'm happy to report that I did a good job.
Have you ever thought about joining the PLA Navy Maybe one day, I'll see you working on me!
( )1.Whose manner of speaking does the writer write the article by
A.A man's.
B.An engineer's.
C.An aircraft carrier's.
D.A child's.
( )2.How many aircraft carriers does China have now
A.Two. B.Three.
C.Four. D.Five.
( )3.Where does China's aircraft carriers' name come from
A.A city.
B.A mountain.
C.A province.
D.A lake.
( )4.Why did Type 003 depart from its home
A.To visit other countries.
B.To fight with others.
C.To stop others from running.
D.To run different tests.
( )5.In which part of a newspaper can you find the text
A.Science and Technology.
B.School and Education.
C.Culture and History.
D.Sports and Health.
Ⅲ.短文填空
　　(传统文化)During the Spring Festival, Liu Huimin sets up a furnace (熔炉) with his team. Inside the furnace, there 1.　 　(be) burning-hot liquid (液体) iron. The craftsmen (工匠) will throw it 2.　 　 the air to create fireworks.
This performance is known as “Datiehua” or “Dashuhua.” As 3.　 　 (it) name suggests, the traditional art form was inspired by the process of forging (锻造) iron. For more than 1,000 years, it has 4.　 　 (serve) as a form of celebration during China's Spring Festival and Lantern Festival.
According to Liu, the furnace needs to be heated for nearly forty 5.　 　(minute) before the show starts and the temperature inside must be 6.　 　 (high) than 1,500 ℃. Only in this way can the liquid iron be fine enough to create amazing sparks (火花).
When night falls, the show starts. Using a big long spoon, a man takes the molten (熔化的) iron from the furnace. He then hits 7.　 　spoon with a piece of wood. Bang! Bang! The red-hot molten iron becomes dazzling (耀眼的) sparks. These shining “stars” light up the night sky 8.　 　 (sudden). In some ways, they can be more beautiful than real fireworks.
9.　 　, great danger lies behind the wonderful show. The artists wear straw hats and sheep skin coats as a kind of 10.　 　 (protect), but accidents still happen. “Although it's dangerous, I'm just happy to bring joy to people,” Liu said.
参考答案
Ⅰ.1.A　2.B　3.B　4.C　5.A　6.B　7.C　8.C　9.A
10.B
Ⅱ.1.C　2.B　3.C　4.D　5.A
【主旨大意】 本文是一篇说明文,主要介绍的是中国航空母舰的最新发展。
【答案与解析】
1.C　写作手法题。根据文中的“Yes, it was finally time for my first sea trials (海试)!”可知,作者是以航空母舰的语气来写这篇文章的。
2.B　细节理解题。根据文中的“I have two elder brothers, Type 001, the Liaoning, and Type 002, the Shandong.”可知,中国现在有三艘航空母舰。
3.C　细节理解题。根据文中的“As you may have noticed, I've followed the family tradition of being named after a province.”可知,航空母舰的名字来源于一个省的名字。
4.D　细节理解题。根据文中的“During my eight days at sea, scientists ran many different tests on me.”可知,福建舰离开家的目的是测试性能。
5.A　推理判断题。根据福建舰的一些优秀性能来看,这是科学技术发展的结果,所以本文放在报纸的科技部分是可能的。
Ⅲ.1.is 　2.into/to　3.its　4.served　5.minutes
6.higher　7.the 　8.suddenly　9.However
10.protection