三、语法填空
阅读短文，在空白处填入括号内所给单词的适当形式。
Animals are amazing creatures, and they come in all shapes and sizes. Some are 1.
smaller
(small) than others, while some are 2.
bigger
(big).
The hummingbird is one of the 3.
tiniest
(tiny) birds in the world. It can fly backwards and forwards with great speed. Its wings beat so 4.
fast
(fast) that they are just a blur. In contrast, the ostrich is the 5.
largest
(large) bird. It can't fly, but it can run 6.
more quickly
(quickly) than many animals.
When it comes to strength, the ant might seem small, but it's incredibly strong. It can carry things that are many times 7.
heavier
(heavy) than its own body. Among land animals, the elephant is known for its great strength. It is one of the 8.
most powerful
(powerful) animals on land.
In the ocean, the dolphin is very smart. It can learn tricks 9.
more easily
(easily) than many other sea creatures. And the blue whale is the 10.
hugest
(huge) animal on earth. It is even larger than the biggest dinosaurs that ever lived.
解析：
【分析】
本题考查形容词和副词的比较级、最高级用法，解题思路如下：1. 若句中出现than（比），需用形容词/副词的比较级；2. 若出现one of the + 范围、the + 范围（如on earth），需用形容词的最高级；3. 单音节词比较级直接加-er，多音节词加more，最高级单音节加-est，多音节加most。
【解析】
1. 由than可知用small的比较级smaller；2. 与前文smaller并列，用big的比较级bigger；3. one of the后接形容词最高级，tiny的最高级为tiniest；4. so + 副词原级+that结构，用fast；5. the后接形容词最高级，large的最高级为largest；6. 由than可知用quickly的比较级more quickly；7. 由than可知用heavy的比较级heavier；8. one of the后接形容词最高级，powerful的最高级为most powerful；9. 由than可知用easily的比较级more easily；10. the后接形容词最高级，huge的最高级为hugest。
【答案】
1. smaller 2. bigger 3. tiniest 4. fast 5. largest 6. more quickly 7. heavier 8. most powerful 9. more easily 10. hugest
【知识点】
形容词比较级、形容词最高级、副词比较级
【点评】
本题为基础语法题，聚焦形容词和副词比较级、最高级的核心用法，需掌握比较级（than标志）和最高级（one of the、the等标志）的规则变化，适合巩固基础语法知识。
【难度系数】
0.6
