Unit2语法讲解及习题:形容词_副词比较级和最高级-2025-2026学年沪外教英语七年级下册

2026-03-08
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学段 初中
学科 英语
教材版本 初中英语沪外教版七年级下册
年级 七年级
章节 Unit 2 Wonders of nature
类型 学案-知识清单
知识点 -
使用场景 同步教学-单元练习
学年 2026-2027
地区(省份) 全国
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文件大小 38 KB
发布时间 2026-03-08
更新时间 2026-03-08
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审核时间 2026-03-08
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沪外教英语七下Unit2语法讲解及习题 形容词/副词比较级和最高级 一、核心语法讲解 本单元核心语法为形容词和副词的比较级(Comparatives)与最高级(Superlatives),用于描述事物之间的程度差异,贴合“自然奇观”话题,具体解析如下: (一)核心定义 比较级:用于两者之间的比较,表示“更……”,常搭配 than。 最高级:用于三者及以上的比较,表示“最……”,前面必须加 the(副词最高级可省略the)。 (二)规则变化表(核心考点) 单词类型 变化规则 比较级 最高级 单元例句 单音节词 直接加 -er / -est high → higher high → highest The mornings are cooler than the hot days. 单音节词(以e结尾) 直接加 -r / -st large → larger large → largest The Sahara is the largest desert. 单音节词(辅音+y结尾) 变y为i,再加 -er / -est dry → drier dry → driest The weather here is drier than that in the south. 单音节词(重读闭音节:元音+辅音结尾) 双写末尾辅音,再加 -er / -est big → bigger big → biggest The Great Barrier Reef is the biggest coral reef. 多音节词(2个及以上音节) 前面加 more / most beautiful → more beautiful beautiful → most beautiful The colours are even more beautiful after rain. 副词(以-ly结尾) 前面加 more / most easily → more easily easily → most easily It is one of the most easily recognisable wonders. (三)不规则变化(必背) 原级 比较级 最高级 good / well better best bad / ill worse worst many / much more most little less least far farther(距离)/ further(程度) farthest / furthest (四)核心用法与例句 用法1:两者比较(比较级) 结构:A + be动词/动词 + 比较级 + than + B 例句: a. The Li River is clearer than many other rivers in China.(漓江比中国许多其他河流更清澈。) b. The Grand Canyon is more amazing than I imagined.(科罗拉多大峡谷比我想象的更令人惊叹。) c. Mount Huang is higher than Mount Lu.(黄山比庐山更高。) 用法2:三者及以上比较(最高级) 结构:A + be动词/动词 + the + 最高级 + 比较范围(in/of...) 例句: a. The Pacific Ocean is the largest ocean in the world.(太平洋是世界上最大的海洋。) b. Zhangye Geopark is one of the best geoparks in the world.(张掖地质公园是世界上最好的地质公园之一。) c. This is the most beautiful natural wonder I have ever seen.(这是我见过的最美丽的自然奇观。) 用法3:特殊结构 1. 比较级 + and + 比较级:表示“越来越……” 例:The colours became more and more beautiful after the rain.(雨后颜色变得越来越美丽。) 例:The wind grew colder and colder.(风变得越来越冷。) 2. The + 比较级, the + 比较级:表示“越……,越……” 例:The more you visit natural wonders, the more you will love nature.(你参观的自然奇观越多,就会越热爱自然。) 二、语法习题 题型一:规则变化填空 根据提示写出单词的比较级和最高级: 1. cool → ____________ → ____________ 2. large → ____________ → ____________ 3. dry → ____________ → ____________ 4. big → ____________ → ____________ 5. beautiful → ____________ → ____________ 6. easy → ____________ → ____________ 7. high → ____________ → ____________ 8. clear → ____________ → ____________ 9. amazing → ____________ → ____________ 10. busy → ____________ → ____________ 题型二:不规则变化填空 写出下列单词的比较级和最高级: 1. good → ____________ → ____________ 2. many → ____________ → ____________ 3. little → ____________ → ____________ 4. bad → ____________ → ____________ 5. far(距离)→ ____________ → ____________ 题型三:选词填空(用所给词的正确形式 ) 1. The Great Barrier Reef is ____________ (big) than any other coral reef system. 2. This is ____________ (beautiful) waterfall I have ever seen. 3. The Sahara Desert is ____________ (large) desert in the world. 4. The Grand Canyon is ____________ (amazing) than the photo shows. 5. Mount Everest is ____________ (high) mountain on Earth. 6. The Li River has ____________ (clear) water than the Yangtze River. 7. Autumn is ____________ (good) time to visit Zhangye Geopark. 8. The colours of the rocks become ____________ (colourful) after rain. 9. This park is ____________ (easy) to get to than that one. 10. The Pacific Ocean is ____________ (deep) ocean of all. 题型四:单句改错(每句1处错误) 1. The Yellow River is the second longer river in China. _____________________________________________________________________ 2. This mountain is more higher than that one. _____________________________________________________________________ 3. The weather here is drier and drier these days. _____________________________________________________________________ 4. She is the most good student in our class. _____________________________________________________________________ 5. The more you look at the painting, the most you like it. _____________________________________________________________________ 题型五:完成句子 1. 黄龙钙化池是中国最迷人的自然奇观之一。 Huanglong Travertine Pools are ____________ ____________ ____________ fascinating natural wonders in China. 2. 大堡礁比我想象的更壮观。 The Great Barrier Reef is ____________ ____________ than I imagined. 3. 你爬得越高,看到的风景就越美。 ____________ ____________ you climb, ____________ ____________ the view will be. 三、习题答案与解析 题型一:规则变化填空 1. cooler; coolest 2. larger; largest 3. drier; driest 4. bigger; biggest 5. more beautiful; most beautiful 6. easier; easiest 7. higher; highest 8. clearer; clearest 9. more amazing; most amazing 10. busier; busiest 题型二:不规则变化填空 1. better; best 2. more; most 3. less; least 4. worse; worst 5. farther; farthest 题型三:选词填空 1. bigger(解析:两者比较,big双写g加-er) 2. the most beautiful(解析:三者及以上比较,多音节词前加most,前面加the) 3. the largest(解析:最高级,单音节词以e结尾加-st,前面加the) 4. more amazing(解析:两者比较,多音节词前加more) 5. the highest(解析:最高级,单音节词直接加-est,前面加the) 6. clearer(解析:两者比较,单音节词直接加-er) 7. the best(解析:good的最高级,前面加the) 8. more colourful / more and more colourful(解析:两者比较或“越来越”结构,多音节词前加more) 9. easier(解析:两者比较,辅音+y结尾变y为i加-er) 10. the deepest(解析:最高级,单音节词直接加-est,前面加the) 题型四:单句改错 1. longer → longest(解析:“第几最……”用最高级,the second longest) 2. 去掉more(解析:higher本身是比较级,more不能重复修饰) 3. drier and drier → drier and drier(正确,或改为increasingly dry;若原句为more drier则去掉more) 修正:若原句为more drier,则去掉more;若为drier and drier则正确,此处按常见错误改为:去掉more(若存在) 4. most good → best(解析:good的最高级是best,不是most good) 5. most → more(解析:“The + 比较级, the + 比较级”结构,第二个the后用比较级more) 题型五:完成句子 1. one of the most(解析:“最……之一”用one of the + 最高级) 2. more amazing / more spectacular(解析:两者比较,多音节词前加more) 3. The higher; the more beautiful(解析:“The + 比较级, the + 比较级”结构) ( 1 ) 学科网(北京)股份有限公司 $

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Unit2语法讲解及习题:形容词_副词比较级和最高级-2025-2026学年沪外教英语七年级下册
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Unit2语法讲解及习题:形容词_副词比较级和最高级-2025-2026学年沪外教英语七年级下册
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Unit2语法讲解及习题:形容词_副词比较级和最高级-2025-2026学年沪外教英语七年级下册
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