Unit 4 语法素养练习 2025-2026学年人教版八年级英语下册
Unit 4 语法素养练习卷
主题：形容词与副词的比较等级 & 大数字表达
Part 1 基础夯实 (Basic Practice)
一、用括号内所给单词的适当形式填空（含不规则变化）。
1. The Amazon Rainforest is much ______ (large) than any other forest in South America.
2. Among all the subjects, Physics is ______ (difficult) for me, but I try my best.
3. With the help of AI, our life is getting ______ and ______ (convenient).
4. This is the ______ (two) time I have visited the Palace Museum. It is still amazing.
5. The Yellow River is the second ______ (long) river in China.
6. — Which is ______ (heavy), an elephant or a tiger?
— An elephant, of course.
7. My brother runs ______ (quick) than me, but I jump ______ (high) than him.
8. The more you read, ______ (wise) you will become.
二、句型转换（每空一词）。
9. This problem is very serious. (用“比较级+and+比较级”改写)
This problem is getting ______ ______ ______.
10. He is taller than any other student in his class. (改为同义句)
He is ______ ______ ______ in his class.
11. The population of Shanghai is larger than that of Xi'an. (改为选择疑问句)
______ city has ______ ______ _____ , Shanghai or Xi'an?
12. Tom is 1.75 meters tall. Jack is 1.75 meters tall. (合并为一句)
Tom is ______ tall ______ Jack.
Part 2 能力提升 (Skill Improvement)
三、用所给单词的适当形式填空。
square, deep, wide, high, amazing
13. The Bund in Shanghai is famous for its ______ views of modern buildings.
14. The well （井）is about 20 meters ______. It is dangerous for kids to play near it.
15. The new road is three times ______ than the old one.
16. Mount Everest is the ______ mountain in the world.
17. We need a ______ piece of paper to draw the map.
四、大数字表达与翻译。
18. 这个数字用英语怎么说：805,000
___________________________________________________________________________
19. 这个数字用英语怎么说：12,345,678
___________________________________________________________________________
20. 翻译句子：这座桥大约有三百米长。
The bridge is about ______ ______ ______ _____.
21. 翻译句子：中国有成千上万的历史古迹。
China has ______ ______ historical sites.
22. 翻译句子：长江是世界第三长的河流。
The Yangtze River is ______ ______ ______ river in the world.
Part 3 读写综合 (Integrated Skills)
五、短文填空
The Hyperloop is a new type of transportation. It is designed to be much 23. ______ (fast) than traditional trains. While a normal high-speed train travels at about 350 kilometers per hour, the Hyperloop can reach speeds of over 1,000 kilometers per hour. That is nearly three 24.
______ (time) as fast as the fastest bullet train in China!
The pod (舱体) travels through a low-pressure tube. Inside the tube, the air is 25. ______ (thin) than outside, which makes the ride 26. ______ (smooth) and quieter. Compared to airplanes, the Hyperloop is 27. ______ (environmental) because it uses clean energy.
Imagine traveling from Beijing to Shanghai in just one hour! The distance is about 1,200 28. ______ (kilometer). The Hyperloop makes this possible. The engineers say the technology is becoming 29. ______ and ______ (safe). They have tested it many times. The 30. ______ (one) public test was successful last year. Now, they are building a longer track. The 31. ______ (long) the track, the 32. ______ (great) the challenge. But if they succeed, it will be one of 33. ______ (exciting) inventions of the century. It is 34. ______ (easy) to travel long distances than ever before. We can go almost anywhere in a short time. The future of travel is 35. ______ (certain) faster and more comfortable.
参考答案
Part 1
1. larger
2. the most difficult
3. more and more convenient
4. second
5. longest
6. heavier
7. more quickly; higher
8. the wiser