Unit 4 Section A Grammar Focus 4a--4d单词短语语法强化训练2025-2026学年人教版英语八年级下册

人教版英语八年级下册 Unit 4 Section A Grammar Focus 4a-4d 单词短语语法强化训练  

一、根据句意及首字母提示补全句子。

1. The Sahara is the biggest d______ in the world.

2. The Yangtze River is the l______ river in China, about 6,300 kilometres long.

3. The deepest point in the ocean is in the Mariana T______.

4. Mount Qomolangma is one of the greatest w______ of the world.

5. Victoria Falls is one of the most a______ waterfalls on Earth.

6. As we went c______ to the falls, the noise grew louder.

7. The waterfall stretched as f______ as the eye could see.

8. The noise of the water grew l______ and louder as we got near.

9. The Mariana Trench is about 11,000 m______ deep.

10. The Taklimakan Desert has a total a______ of about 337,000 square kilometres.   

二、单项选择。

1. — What is the ______ desert in the world?— The Sahara Desert.

A. big   B. bigger   C. biggest   D. most big

2. The Yangtze River travels the ______ in China.

A. far   B. farther   C. farthest   D. more far

3. The deepest point in the ocean is ______ the Mariana Trench.

A. in   B. on   C. at   D. of

4. Mount Qomolangma is one of ______ greatest wonders of the world.

A. a   B. an   C. the   D. /

5. As we went closer to the falls, the noise grew ______.

A. loud   B. louder   C. loudest   D. more loud

6. Victoria Falls is one of ______ waterfalls in the world.

A. amazing   B. more amazing   C. most amazing   D. the most amazing

7. Mount Qomolangma is still growing ______.

A. tall   B. taller   C. tallest   D. the tallest

8. The Sahara Desert is about 9,000,000 square kilometres ______ size.

A. in   B. on   C. at   D. for

9. Some deep-sea animals can "see" as ______ as others.

A. good   B. well   C. better   D. best

10. The East African Rift Valley is about 4,000 miles ______.

A. long   B. longer   C. longest   D. the longest   

三、用所给词的适当形式填空。

1. The Sahara is the ______ (big) desert in the world.

2. The Yangtze River is the ______ (long) river in China.

3. Mount Qomolangma is one of the ______ (great) wonders of the world.

4. As we went ______ (close) to the falls, the noise grew louder.

5. The noise of the water grew ______ (loud) and louder.

6. Victoria Falls is one of the ______ (amaze) waterfalls in the world.

7. The Yangtze River travels the ______ (far) in China.

8. The deepest point in the ocean is ______ (deep) than 10,000 metres.

9. Mount Qomolangma is still growing ______ (tall).

10. It was the ______ (amaze) experience of our trip to Africa.   

四、语法填空。

Last year, my class took a trip to learn about world natural wonders. We learned that the Sahara is 1.______ (big) desert in the world, with an area of about 9,000,000 square kilometres 2.______ size. The Yangtze River in China travels 3.______ (far) than any other river in the country, and it is about 6,300 kilometres long. The deepest point in the ocean is 4.______ the Mariana Trench, which is about 11,000 metres deep. Mount Qomolangma is one of the 5.______ (great) wonders of the world, and it is still growing 6.______ (tall) every year. We also learned about Victoria Falls in Africa. As we went 7.______ (close) to the falls, the noise of the water slowly grew 8.______ (loud) and louder. The waterfall went on for as 9.______ as the eye could see, and it was one of the 10.______ (amaze) sights we had ever seen.  

答案与详细解析：

 一、

1.desert解析：原文 4a 部分提到 “What is the biggest desert in the world? It is the Sahara Desert.”，句意为 “撒哈拉是世界上最大的沙漠”，因此填desert（沙漠）。