Unit4易错专题专练2025-2026学年人教版英语八年级下册

2025-2026学年八年级下册英语 Unit4易错专题专练+全解全析 本单元核心聚焦感叹句辨析、as...as...原级比较、so...that/such...that结果状语区分、自然类词性转换、rise/raise短语辨析、自然专有名词大小写六大高频失分点。 易错点一：感叹句what/how的终极辨析 感叹句是本单元最核心的失分点，学生常混淆判定逻辑，记住“三步判定法”： 1. 先看句尾是否有名词：有名词用what，无名词（直接跟形容词/副词）用how 2. 若有名词，再看名词是单数/不可数/复数： ◦ 单数可数：What a/an + adj. + 可名单 + 主谓! ◦ 不可数名词：What + adj. + 不可名单 + 主谓! ◦ 复数名词：What + adj. + 可名复 + 主谓! 3. 若直接跟形容词/副词：How + adj./adv. + 主谓! 易错警示：How后面绝对不能加a/an，What修饰单数名词时**必须加a/an。 易错题1 ______ amazing the Huangguoshu Waterfall is! A. What B. What a C. How D. How a 易错题2 ______ fantastic view the West Lake is! A. What B. What a C. How D. How a 易错点二：as...as...原级比较的用法 as + adj./adv.原级 + as 表示“和……一样……”，学生常犯两个错误： 1. 中间误加比较级/最高级：as taller as（错误）→ as tall as（正确） 2. 否定式混淆：not as/so + 原级 + as 表示“不如……”，可与比较级互换（Tom is not as tall as Jim. = Tom is shorter than Jim.） 易错警示：as...as中间永远用原级，不管是比较还是否定。 易错题3 The weather in Guilin is as ______ as that in Kunming. They are both comfortable. A. pleasant B. more pleasant C. most pleasant D. the most pleasant 易错题4 The Yellow Mountain is not ______ high ______ Mount Tai, but it has more strange pines. A. as; so B. so; as C. as; as D. so; so 易错点三：so...that vs such...that 结果状语区分 两者都表“如此……以至于……”，但修饰对象完全不同，且要和Unit3的so that（目的状语）区分开： 结构 修饰对象 例句 so + adj./adv. + that 形容词/副词 It was so cold that we stayed at home. such + (a/an) + adj. + n. + that 名词（短语） It was such a cold day that we stayed at home. 易混特例：so + adj. + a/an + 可名单 + that = such + a/an + adj. + 可名单 + that，如so beautiful a flower = such a beautiful flower。 易错题5 The fog was ______ thick ______ we couldn't see the road clearly. A. such; that B. so; that C. such a; that D. so a; that 易错题6 It was ______ amazing view ______ we took hundreds of photos. A. so; that B. such; that C. so an; that D. such an; that 易错点四：自然类名词vs形容词的词性转换 本单元高频自然词汇的词性混淆是学生失分重灾区： 名词（事物） 形容词（特征） 易错示例 fog（雾） foggy（有雾的） It's fog today.（错）→ It's foggy today.（对） wind（风） windy（有风的） The windy day made my hair messy.（错）→ The windy day...（对，注意wind→windy） cloud（云） cloudy（多云的） It was cloud yesterday.（错）→ It was cloudy yesterday.（对） nature（自然） natural（自然的） We should protect nature wonders.（错）→ natural wonders（对） 易错警示：描述天气/自然特征时，be动词后必须接形容词，不能直接用名词。 易错题7 Look at the sky! It's ______ (cloud) today. We can't see the stars. A. cloud B. cloudy C. clouding D. cloudly 易错题8 The ______ (nature) wonder of the Amazon Rainforest attracts millions of visitors every year. A. nature B. natural C. naturally D. natures 易错点五：rise vs raise 短语辨析 两者都和“上升/举起”相关，但用法完全不同： • rise：不及物动词，无被动，主语通常是物（太阳、水位、价格等），意为“升起；上升” • raise：及物动词，有被动，主语通常是人，意为“举起；筹集；饲养” 易错警示：The sun rises.（正确）；The sun raises.（错误）；I raised my hand.（正确）。 易错题9 The sun ______ in the east every morning, creating a breathtaking view. A. rise B. rises C. raise D. raises 易错题10 We ______ money last month to protect the local wetlands. A. rise B. rises C. raise D. raised 易错点六：自然专有名词的大小写规则 本单元涉及大量中外自然奇观名称，学生常忽略大小写和定冠词： 1. 山脉、群岛、河流、海洋、雨林前要加the，且实词首字母大写：the Himalayas（喜马拉雅山脉）、the Amazon Rainforest（亚马逊雨林）、the Yellow River（黄河） 2. 单个山峰、湖泊前加Mount/Lake，首字母大写，通常不加the：Mount Tai（泰山）、Lake Baikal（贝加尔湖） 易错警示：专有名词的实词首字母必须大写，定冠词不能漏也不能多。 易错题11 Have you ever been to ______? It's the longest mountain range in the world. A. the himalayas B. the Himalayas C. Himalayas D. the himalaya 易错题12 ______ is famous for its strange pines and sea of clouds. A. mount tai B. Mount tai C. Mount Tai D. the Mount Tai 基础过关 一、根据句意和汉语提示写单词 1. The top of the mountain was covered in thick ______ (雾) this morning. 2. It's very ______ (有风的) today. Hold on to your hat! 3. The strange rock is in the ______ (形状) of a monkey. 4. Trees can ______ (吸收) carbon dioxide and give off oxygen. 5. Flowers in the valley ______ (散发) a sweet smell in spring. 6. We visited ______ (亚马逊雨林) last summer. It was amazing. 7. The ______ (喜马拉雅山脉) is the highest mountain range in the world. 8. We should protect these ______ (自然的) wonders for future generations. 二、易错选择：单项选择 9. ______ colourful the lakes in Jiuzhaigou are! A. What B. What a C. How D. How a 10. The air in the forest is as ______ as that in the countryside. A. fresh B. fresher C. freshest D. the freshest 11. It was ______ cold day ______ we had to wear thick down jackets. A. so; that B. such; that C. such a; that D. so a; that 12. Look! Dark clouds are gathering. It's getting ______ (cloud). A. cloud B. cloudy C. clouding D. cloudly 13. The sun ______ slowly from the horizon every morning. A. rise B. rises C. raise D. raises 14. Have you ever been to ______? It's known for its waterfalls. A. the huangguoshu waterfall B. Huangguoshu Waterfall C. the Huangguoshu Waterfall D. Huangguoshu waterfall 15. We didn't enjoy the sunrise as ______ as we expected because of the fog. A. good B. better C. best D. the best 三、词形变化：用所给单词的适当形式填空 16. What ______ (fog) weather it is today! We can't go hiking. 17. The Amazon Rainforest is as ______ (large) as 70 million football fields. 18. The strange pines in the Yellow Mountain ______ (attract) thousands of visitors every year. 19. Look! The sun ______ (rise) slowly from the east now. 20. We should protect these ______ (nature) wonders from damage. 四、句型转换：按要求完成句子 21. The mountains in Zhangjiajie are very fantastic.（用what引导感叹句改写） ______ ______ the mountains in Zhangjiajie are! 22. The Yellow Mountain is as high as Mount Tai.（改为否定句） The Yellow Mountain is ______ ______ high ______ Mount Tai. 23. It was such a cold day that we stayed at home.（用so...that...改写） It was ______ ______ ______ day that we stayed at home. 24. The rainforest gives off fresh air.（改为一般疑问句） ______ the rainforest ______ off fresh air? 25. We visited the Amazon Rainforest last summer.（对划线部分提问） ______ ______ you ______ last summer? 提升练习 五、语法填空：阅读短文，用所给词的正确形式填空或填入适当的词 Last month, I visited the Yellow Mountain with my family. The view was 26______ (amaze). The sea of clouds was as 27______ (beauty) as a fairy tale. The pine trees were so strange 28______ they looked like dancers. The rocks were in the shape 29______ animals. We 30______ (not enjoy) the sunrise as 31______ (good) as we expected because it was a bit foggy. But we still took 32______ (hundred) of photos. The fresh air made us feel energetic. I think everyone should protect these 33______ (nature) wonders. They are so precious 34______ we mustn't damage them. What 35______ amazing experience! 六、阅读理解：阅读短文，选择正确答案 Jiuzhaigou is a famous natural wonder in Sichuan Province. It is known for its colorful lakes, waterfalls, and snow-capped mountains. The lakes are so clear that you can see the fish swimming in them. The waterfalls are as loud as thunder. In autumn, the leaves turn red and yellow, making the park look like a painting. Last year, over 5 million visitors came to Jiuzhaigou. The local government tries hard to protect the environment. Visitors are not allowed to pick flowers or feed the animals. There are electric buses in the park to reduce pollution. Many people say Jiuzhaigou is the most beautiful place they have ever seen. 36. What is Jiuzhaigou famous for? A. Colorful lakes and waterfalls. B. Tall buildings and busy streets. C. Ancient temples and museums. D. Large shopping malls. 37. Why do visitors feel like they are in a painting in autumn? A. Because the leaves turn red and yellow. B. Because there are many painters in the park. C. Because the waterfalls are very loud. D. Because the lakes are very clear. 38. How many visitors came to Jiuzhaigou last year? A. About 50 thousand. B. About 500 thousand. C. Over 5 million. D. Over 50 million. 39. Why are electric buses used in the park? A. To attract more visitors. B. To reduce pollution. C. To make visitors feel comfortable. D. To show the local culture. 40. What is the best title for the passage? A. The History of Jiuzhaigou B. Jiuzhaigou: A Natural Wonder C. How to Visit Jiuzhaigou D. The Animals in Jiuzhaigou 七、书面表达 假如你是李华，请根据下面提示写一篇60词左右的英语短文，介绍你去年夏天去黄山的经历。 提示： 1. 去年夏天和家人去了黄山； 2. 奇松和云海非常壮观（用感叹句）； 3. 黄山的日出和泰山的一样美； 4. 天气太冷以至于我们穿了厚外套； 5. 你的感受：不虚此行。 参考答案与解析 一、基础过关答案 1. fog 2. windy 3. shape 4. take in 5. give off 6. the Amazon Rainforest 7. The Himalayas 8. natural 二、单项选择答案与解析 9. C 【全解全析】感叹句判定：句尾是形容词colourful，无名词，用How引导。句意：九寨沟的湖水多么色彩斑斓啊！ 10. A 【全解全析】as...as中间用原级，fresh是原级，符合“和乡村空气一样新鲜”的语境。 11. C 【全解全析】such a + adj. + 可名单 + that结构：day是可数单数，cold是辅音开头，用such a；句意：天如此冷以至于我们不得不穿厚羽绒服。 12. B 【全解全析】get后接形容词作表语，cloud的形容词是cloudy，表示“多云的”。 13. B 【全解全析】rise是不及物动词，主语the sun是第三人称单数，一般现在时加s；raise是及物动词，不符合“太阳升起”的语境。 14. C 【全解全析】专有名词规则：瀑布名称是特有景点，加定冠词the，实词首字母大写，正确形式是the Huangguoshu Waterfall。 15. A 【全解全析】as...as中间用原级，good是原级，符合“不如预期的那样好”的否定结构。 三、词形变化答案与解析 16. foggy 【解题逻辑】感叹句中weather是不可数名词，前面用what修饰，此处需要形容词foggy作定语，表示“有雾的天气”。 17. large 【解题逻辑】as...as中间用原级，large是原级，符合“和7000万个足球场一样大”的语境。 18. attract 【解题逻辑】主语pines是复数，一般现在时谓语动词用原形attract，表示“吸引游客”。 19. is rising 【解题逻辑】Look!提示动作正在进行，用现在进行时，主语the sun是单数，be动词用is。 20. natural 【解题逻辑】修饰名词wonders需要用形容词，nature的形容词是natural，表示“自然的奇观”。 四、句型转换答案 21. What fantastic22. not as/so; as23. so cold a24. Does; give25. Where did; visit 五、语法填空答案 26. amazing 27. beautiful 28. that 29. of 30. didn't enjoy 31. well 32. hundreds 33. natural 34. that 35. an 六、阅读理解答案 36. A37. A38. C39. B40. B 七、书面表达常用句型 1. Last summer, I visited...with my family. 2. What + adj. + 名词 + 主谓!（感叹句） 3. ...is as + adj. + as...（原级比较） 4. It was so + adj. + that + 从句（结果状语） 5. It was an unforgettable trip. 参考范文： Last summer, I visited the Yellow Mountain with my family. What fantastic the strange pines and sea of clouds are! The sunrise is as beautiful as that of Mount Tai. It was so cold that we had to wear thick down jackets. Though the fog blocked the full view, it was still an unforgettable trip. I think it's worth visiting! 学科网（北京）股份有限公司 $