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人教版新版八年级下册英语复习学案
Unit 4 The wonders of Nature
使用说明：本学案完全匹配新版教材考点，涵盖知识目标、基础识记、语法精讲、分层习题、满分写作、全套答案解析，适配课堂复习、课后巩固、单元自测。
班级：________ 姓名：________ 总分：________
一、单元复习目标
词汇：熟练掌握自然奇观、自然环境、保护自然类核心单词及固定短语，掌握词形变换、固定搭配，做到认读、拼写、运用无误。
句型：掌握描述事物高度、长度、深度、面积的度量句型，介绍自然景观、表达自然保护的高频句型，可熟练仿写造句。
语法：吃透形容词、副词最高级用法（规则/不规则变化、最高级句型、范围辨析），掌握最高级高频考点与易错点。
写作：能围绕“自然奇观、我最喜欢的自然景观、保护自然”主题，写出80词左右短文，结构清晰、句式丰富、语法规范。
二、基础知识过关
（一）核心单词（英汉互译+词形变换）
1. wonder n. 奇观；奇迹 v. 想知道 → __________ adj. 绝妙的；精彩的
2. nature n. 自然；大自然 → __________ adj. 自然的；天然的
3. high adj. 高的 → __________ n. 高度；身高
4. deep adj. 深的 → __________ n. 深度
5. long adj. 长的 → __________ n. 长度
6. wide adj. 宽的 → __________ n. 宽度
7. protect v. 保护 → __________ n. 保护
8. survive v. 生存；存活 → __________ n. 生存；幸存
9. change v. 改变 → __________ adj. 易变的；多变的
10. determine v. 决定 → __________ adj. 有决心的
11. 条件；环境 n. __________
12. 度数；程度 n. __________
13. 悬崖；峭壁 n. __________
14. 死亡 n. __________
15. 测量 v. __________
（二）重点短语（默写巩固）
1. 自然奇观 ____________________
2. 据……所知 ____________________
3. 全世界 ____________________
4. 因……而闻名 ____________________
5. 作为……而闻名 ____________________
6. 保护环境 ____________________
7. 采取措施（做某事） ____________________
8. 砍倒 ____________________
9. 数以千计的 ____________________
10. 处于危险中 ____________________
11. 形成；产生 ____________________
12. 充满…… ____________________
（三）核心句型（背诵+仿写）
1. It is the + 最高级 + 名词 + in/of... 它是……里最……的
例句：It is the highest mountain in the world.
仿写：它是中国最美丽的自然奇观。______________________________
2. How + 形容词 + be + 主语？ 询问事物度量（高/长/深/宽）
例句：How high is Qomolangma
仿写：这条河有多深？______________________________
3. 主语 + be + 数字 + 单位 + 形容词描述具体尺寸
例句：It is 8848.86 metres high.
仿写：这条河流1000米长。______________________________
4. be famous for... 因……闻名 / be famous as... 作为……闻名
例句：West Lake is famous for its beautiful scenery.
仿写：黄山以奇松怪石闻名。______________________________
5. We should take action to... 我们应该采取行动……
例句：We should take action to protect natural wonders.
仿写：我们应该采取措施保护自然环境。______________________________
三、核心语法精讲：形容词、副词最高级
本单元核心语法为形/副最高级，是八下必考重难点，用于三者及以上人或事物的比较，表示“最……”。
1. 最高级变化规则
规则变化：
① 单音节词、部分双音节词：直接加-est（tall→tallest）
② 以不发音e结尾：直接加-st（nice→nicest）
③ 重读闭音节辅元辅：双写尾字母+est（big→biggest）
④ 辅音+y结尾：变y为i+est（happy→happiest）
⑤ 多音节词：the most + 原级（beautiful→most beautiful）
不规则变化（必背）：
good/well → best bad/badly → worst many/much → most little → least
2. 最高级核心句型
1. the + 最高级 + in + 范围（地点）
2. the + 最高级 + of + 范围（同类）
3. one of the + 最高级 + 复数名词 最……之一
3. 语法易错点
最高级必须加the（形容词最高级），副词最高级the可省略
one of 后接形容词最高级+名词复数
语法专项填空（用所给词最高级形式填空）
1. Qomolangma is the ________ (high) mountain in the world.
2. This is the ________ (beautiful) natural wonder I have ever seen.
3. The Yellow River is one of the ________ (long) rivers in China.
4. He runs the ________ (fast) in our class.
5. This is the ________ (bad) weather this month.
四、单元专项提升练习
（一）单项选择
（ ）1. The Great Wall is one of ______ greatest wonders in the world.
A. a B. an C. the D. /
（ ）2. This lake is ______ than that one, and it is the ______ lake in our city.
A. deep; deeper B. deeper; deepest C. deep; deepest D. deeper; deeper
（ ）3. Hangzhou ______ famous ______ its beautiful scenery.
A. is; for B. is; as C. was; for D. was; as
（ ）4. We should take action ______ the natural environment.
A. protect B. protecting C. to protect D. protects
（ ）5. —______ is the river —About 500 metres wide.
A. How long B. How wide C. How deep D. How high
（二）句型转换（每空一词）
1. This mountain is the highest in our country.（同义句）
No mountain is ______ ______ ______ this one in our country.
2. The lake is 200 metres deep.（对划线部分提问）
______ ______ is the lake
3. It is a very beautiful natural wonder.（改为最高级句子）
It is ______ ______ ______ natural wonder in this area.
4. We should protect the wonders of nature.（同义句）
We should ______ ______ ______ to protect natural wonders.
（三）短文填空（用所给词的适当形式填空，序号带括号）
wonder, nature, high, protect, famous, deep, change, thousand
There are many amazing (1)______ of nature on the earth. They are the (2)______ beautiful gifts for humans. Qomolangma is one of the (3)______ mountains in the world. Many (4)______ rivers and lakes are also amazing.
However, the weather is (5)______ and some natural wonders are in danger. (6)______ of trees are cut down every year. We must learn to (7)______ our environment. It’s our duty to save these (8)______ wonders for our future.
五、单元写作专项（必考话题：自然奇观/我爱的自然美景）
写作题目
大自然有许多壮丽的奇观，请以 My Favourite Natural Wonder 为题，写一篇80词左右的短文，介绍你最喜欢的一处自然景观，描述其特点、优势，并呼吁大家保护自然。
写作思路
开头：点明自己最喜欢的自然景观；中间：介绍景观特点（尺寸、景色、名气），简单描述景色之美；结尾：发出保护自然、守护自然奇观的倡议。
万能高分句型
1. There are many wonderful natural wonders in the world.
2. My favourite natural wonder is...
3. It is famous for its beautiful scenery.
4. It is one of the most amazing natural wonders in China.
5. We should try our best to protect our nature.
My Favourite Natural Wonder
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
六、参考答案与解析
（一）核心单词变形
1. wonderful 2. natural 3. height 4. depth 5. length 6. width 7. protection 8. survival 9. changeable 10. determined 11. condition 12. degree 13. cliff 14. death 15. measure
（二）重点短语默写答案
1. natural wonders 2. as far as we know 3. all over the world 4. be famous for 5. be famous as 6. protect the environment 7. take measures/action (to do sth.) 8. cut down 9. thousands of 10. in danger 11. come into being 12. be full of
（三）句型仿写参考答案
1. It is the most beautiful natural wonder in China.
2. How deep is this river
3. This river is 1000 metres long.
4. Huangshan is famous for its strange pines and stones.
5. We should take measures to protect the natural environment.
（四）语法专项填空答案
1. highest 2. most beautiful 3. longest 4. fastest 5. worst
（五）单项选择答案及解析
1. C 解析：最高级前必须加定冠词the。
2. B 解析：than前用比较级；in our country范围用最高级。
3. A 解析：be famous for 因……闻名，常态用一般现在时。
4. C 解析：take action to do sth. 采取行动做某事，固定搭配。
5. B 解析：答语为宽度，用How wide提问。
答案：1-5 CBACB
（六）句型转换答案
1. higher than any
2. How deep
3. the most beautiful
4. take action/measures
（七）短文填空答案
(1) wonders (2) most natural (3) highest (4) natural (5) changeable (6) Thousands (7) protect (8) natural
（八）满分范文
My Favourite Natural Wonder
There are many amazing natural wonders around the world. My favourite one is Huangshan Mountain.
Huangshan is one of the most famous mountains in China. It is famous for its strange stones, tall pine trees and beautiful clouds. It looks quite beautiful all year round. Thousands of visitors come to visit it every year.
Nature gives us so many beautiful wonders. As students, we should take action to protect nature and keep these wonders beautiful forever.

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