Unit 4 Amazing Plants and Animals 核心语法专练 2026-2027学年人教版英语八年级上册
Unit 4 Amazing Plants and Animals 核心语法专练
一、核心语法：形容词、副词最高级（superlatives），三者及以上进行比较
语法重难点区分
最高级用于三者或三者以上人 / 事物作比较，表示 “最……”，形容词副词最高级前面一般加定冠词 the。
变化规则
单音节、部分双音节词
一般直接加‑est：tall‑tallest；fast‑fastest
以 e 结尾直接加‑st：nice‑nicest
重读闭音节 “辅‑元‑辅” 双写末尾辅音字母加‑est：big‑biggest；thin‑thinnest
辅音字母 + y 结尾，变 y 为 i 再加‑est：heavy‑heaviest；busy‑busiest
多音节、部分双音节形容词 / 副词：前面加 most
beautiful → most beautiful；quickly → most quickly
不规则变化（必须记忆）
good /well → best
bad /badly → worst
常用句型
the + 最高级 + in / of … 在…… 之中最……
one of the + 最高级 + 复数名词 最…… 之一
例句
The cheetah is the fastest land animal in the world. 猎豹是世界上跑得最快的陆地动物。
Bamboo is one of the most useful plants on the earth. 竹子是地球上最有用的植物之一。
This is the most amazing tree of all these plants. 在所有这些植物当中，这是最令人惊奇的一棵树。
二、核心句型汇总
模块 A the + 最高级 + in /of （在…… 范围里最……）
This is the oldest tree in the forest. 这是森林里最古老的树。
Among all the birds, this one flies the highest. 在所有鸟当中，这一只飞得最高。
模块 B one of the + 最高级 + 复数名词 （最…… 之一）
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The bee is one of the most important insects on our planet. 蜜蜂是地球上最重要的昆虫之一。
Pandas are one of the most popular animals in the zoo. 熊猫是动物园里最受欢迎的动物之一。
模块 C 语境（动植物、自然，本单元话题）
Which is the heaviest animal of the three? 这三者当中哪一个是最重的动物？
三、语法专练
单项选择
- Of all the animals, the blue whale is ______ animal in the sea.
A. large B. larger C. largest D. the largest
- Bamboo is one of ______ plants in the world.
A. useful B. more useful C. most useful D. the most useful
- —Which is ______, the cat, the dog or the rabbit?
—The dog. It runs faster than the other two.
A. fast B. faster C. the fastest D. fastest
- This is ______ tree in this mountain. It has lived for over 1000 years.
A. old B. older C. the oldest D. oldest
- Among all these flowers, the peony looks ______.
A. beautiful B. more beautiful C. the most beautiful D. most beautiful
- —Who jumps ______ of the three students?
—Tom does.
A. high B. higher C. highest D. the highest
- Bees are one of ______ insects for our nature.
A. important B. more important C. the most important D. most important
- Of all the birds, the eagle flies ______.
A. far B. farther C. farthest D. the farther
- This is ______ plant in our garden. It grows very quickly.
A. the fastest-growing B. faster-growing C. fast-growing D. most fast-growing
- —Which animal is ______, the frog, the snake or the butterfly?
—I think the butterfly is.
A. colourful B. more colourful C. the most colourful D. most colourful
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