在英语学习中，掌握形容词和副词的比较级与最高级形式是非常重要的基础技能。通过练习，可以更好地理解和运用这些语法点，从而提升语言表达能力。下面是一些精选的练习题，帮助大家巩固相关知识。

练习题一：选择正确的比较级或最高级形式

请根据句子的意思，在括号内填入适当的比较级或最高级形式。

1. This book is (interesting) than that one.

2. She runs (fast) in her class.

3. The Nile is the (long) river in the world.

4. He is the (popular) boy in our school.

5. Winter is usually (cold) season of the year.

正确答案：

1. more interesting

2. fastest

3. longest

4. most popular

5. the coldest

练习题二：改写句子

将以下句子改为使用比较级的形式。

1. Mary is the tallest girl in her family.

2. The sun is the hottest star in the solar system.

3. London is the biggest city in the UK.

4. My brother is the smartest student in his class.

5. English is the most spoken language in the world.

改写后：

1. Mary is taller than any other girl in her family.

2. The sun is hotter than any other star in the solar system.

3. London is bigger than any other city in the UK.

4. My brother is smarter than any other student in his class.

5. English is spoken by more people than any other language in the world.

练习题三：造句

请用以下单词的比较级或最高级形式造句。

1. happy - happier - happiest

2. beautiful - more beautiful - most beautiful

3. strong - stronger - strongest

4. careful - more careful - most careful

5. famous - more famous - most famous

示例：

1. I am happier today than yesterday.

2. Paris is the most beautiful city I have ever visited.

3. He is stronger now than he was last year.

4. She is the most careful driver I know.

5. Albert Einstein is one of the most famous scientists in history.

通过以上练习题，大家可以逐步熟悉形容词和副词的比较级与最高级的用法。希望大家能够多加练习，灵活运用这些语法点，使自己的英语表达更加丰富和准确。