Unit4 单元语法讲练-【支点·同步系列】2025-2026学年八年级下册英语（人教版·新教材）

单元语 单元语法讲解 形容词/副词的比较级和最高级 1.比较级的句式结构 (1)比较级+than /主语十be动词十形容词比较级十than十 比较对象 主语+实义动词十副词比较级十than十 比较对象 Mr King is taller than Mr Brown.金先生 比布朗先生高。 Mike ran faster than Jim.迈克比吉姆跑 得快。 (2)“比较级十and+比较级”或“more and more十形容词或副词原级”，表示“越来 越…”。 Things are getting better and better.事情 变得越来越好。 She is becoming more and more beautiful..她长得越来越漂亮。 (3)“the+比较级，the十比较级”表示 “越…越…”。 The more I read the book,the better I like it.这本书我越读越喜欢。 (4)“the十比较级+of the two.”表示“两 者中比较…的”。 Tom is the taller of the two.汤姆是两个 人中比较高的那个。 (5)“Which/Who.+比较级，AorB?”表 示“A和B,哪一个/谁更…？”。 Which book is better,this one or that one？哪本书更好，这本还是那本？ 2.最高级的句式结构 最高级用于三者或三者以上的人或物之 间的比较。句中常含有表示范围的in/of短 英语八年级RJ版 法讲练 语。形容词的最高级前一定要用定冠词the, 副词的最高级前的定冠词可加可不加。 (1)“主语+be动词+the+形容词最高级+ in/of短语”。 The Yangtze River is the longest river in China.长江是中国最长的河流。 (2)“主语十实义动词（十the)十副词最高 级十in/of短语”。 He runs(the)fastest in our class..他是我 们班跑得最快的。 (3)“主语十be动词十one of the十形容词 最高级+可数名词复数+in/of短语”。 China is one of the oldest countries in the world.中国是世界上最古老的国家之一。 (4)“主语+be动词十the十序数词十形容 词最高级十可数名词单数十in/of短语”。 The Yellow River is the second longest river in China..黄河是中国第二长河。 (5)“疑问词十be动词十the十形容词最高 级，A、BorC?”用于三个人或事物之间的 比较。 Who is the tallest,Zhang Hua,Liu Shuang or Chen Fei?张华、刘爽和陈飞，谁 最高？ (6)“疑问词十助动词十主语十动词原形 (+the)+副词最高级，A、BorC?”。 Which city do you like best,Beijing, Shanghai or Guangzhou?你最喜欢哪个城市， 北京、上海还是广州？ …◆ 单元语法精练 … 一、用所给词的适当形式填空 1.Jack is the second (tall)boy in his class. 2.The glass bridge is (long)than any other one in China. 3.The (early)children learn to look after themselves,the better it is for their future. 4.Winter is (cold)season of a year. 5.Bob never does homework as careful)as Tina.He makes lots of mistakes. 二、单项填空 1.I like all the shirts in the shop,but I only took the one to save money. A.cheaper B.more expensive C.cheapest D.most expensive 2.-Which street would you like to live on, Bridge Street or Spring Street? -I like both of them.I think Bridge Street is Spring Street. A.as peaceful as B.less peaceful than C.more peaceful than D.not so peaceful as 3.江西人文明月山Mingyue Mountain is one of mountains in Yichun.Many people go mountain climbing there. A.popular B.more popular C.less popular D.the most popular 4.(2025福建改编)AI technology in China has developed than anyone expected. A.fast B.faster C.the faster D.fastest 5.-Which country is the in size in Asia? -China.It is than the US. A.most;more B.most;most C.biggest;bigger D.biggest;biggest 1-5 三、用所给词的适当形式补全短文 Last Saturday we went to the village to visit my grandparents.In fact,I didn't like going there because it was really small and dirty there.The roads in the village weren't as 1 (wide)as those in the city and they weren't wide enough for two cars.Many people think the air in the village is usually 2 (good)than that in the city.But there was a small paper factory in my grandparents' village.The air there wasn't good and it was even 3 (bad).However,all the reasons above were not the 4 (important)reasons that I didn't want to go to my grandparents' village.The true reason was that the life in the village was so 5 (boring)that I had nothing interesting to do.But this time,I was glad to see everything changed a lot. The old paper factory closed down and the government built a new one recently.It is much 6 big)and it's said that it has 7(new)sewage treatment system(污水处 理系统)in our country.It works so well that the air becomes much 8 (clean).What's more,the government built a new park there so that the villagers have a good place to relax. Now my grandparents'village is changing for the better and the villagers'life is 9 (colourful)than before!I believe there will be much 10 (many)changes in the future. 1. 4. 5. 6. 7. 8. 9 10. 51 下册Unit4知，为避免冲突，需友好地进行交流，以寻找到使 双方都满意的方法。 二、1.anyone2.help3.scared4.teenagers5.if 6.connected 7.to deal 8.feel 9.our 10.many 11.remember 三、1-5 FABEC Unit 4 第1课时Section A(1a-2d) 基础达标训练 -1.surface 2.below 3.unusual 4.diving 5.wonders 二、1-5 ACDBC 能力拓展提升 、 1.A【解析】根据“Qomolangma,at8,848.86 meters,is the highest mountain in the world”可知，作者是通过 陈述一个事实来开启全文的。 2.C【解析】通读第一段可知，该段主要介绍了珠穆 朗玛峰是怎样形成的。 3.B【解析】通读全文可知，文章第一段介绍了珠穆 朗玛峰的形成；第二段介绍了其增长的速度；第三 段介绍了其增长的原因；最后一段总结全文，介绍 珠穆朗玛峰并不是唯一增长的山峰，并感叹大自然 的神奇。故文章为分一总结构。 4.B【解析】通读全文可知，本文主要围绕着珠穆朗 玛峰的增长而写。 二、1-5 ACFBG 第2课时Section A(3a-4d) 基础达标训练 -,1.civilizations 2.delicious 3.cities 4.wonderful 5.costs 二、1.miles2.development3.waterfalls 4.desert 5.pool 能力拓展提升 一、 1.B【解析】此处指这儿有一些不同的方法去确定哪 个是世界上最大的湖。 2.C【解析】由前文的“the largest lake”可知，此处指 最多的水。 3.A【解析】由后文的“saltwater lakes'”和“others”可 推知，这里表示比较。 4.B【解析】根据下面的内容可知，此处表示的是咸 水湖和其他湖之间的区别。 5.C【解析】根据下文说可以从不同的方面来讨论可 知，这不是一个简单的问题。 6.C【解析】前文与后文是因果关系，因此用s0来 连接。 7.A【解析】根据下文中的“freshwater”可知，贝加尔 湖是淡水湖。 8.D【解析】这里指的是上文中提到的贝加尔湖，是 单数的事物，因此用t来指代。 9.B【解析】由上文提到的湖水的体积可知，此处指 数字。 10.B【解析】根据后文的“square kilometers'”可知， 这里表示的是面积。 11.C【解析】此处指苏必利尔湖在美国与加拿大之 间，因此用介词between来连接。 12.A【解析】句意：世界上也有一些其他有趣的湖。 13.D【解析】根据句意可知，这里表示如果你想了解 这些湖。 14.B【解析】此处指网站包括许多关于不同湖的有 趣的真相。 15.D【解析】根据句意及常理推断，这里表示的是 “我”相信你们（浏览网站时）会开心。 二、1-5 CBEDF 写作小练笔 Lushan Waterfall is a famous natural wonder in Jiangxi,China.The water falls from very high mountains,looking like a white dragon flying down. It looks very beautiful in sunlight.The sound of the rushing water is relaxing.Many visitors come to take photos here.It's a great place to enjoy nature! 单元语法讲练 单元语法精练 -,1.tallest 2.longer 3.earlier 4.the coldest 5.carefully 二、1-5 CADBC 三、1.wide2.better3.worse 4.most important 5.boring 6.bigger 7.the newest 8.cleaner 9.more colourful 10.more 第3课时Section B(1a-le) 基础达标训练 -1.conditions 2.shoulder 3.survive 4.degrees 5.above 二、1.changeable2.northern3.climbers 4.curiosity 5.teammate 三、1.is determined to2.pulled himself up 3.bit by bit 4.only if 5.to deal with 四、1-5 ABCBD 下册参考答案