U4 The Wonders of Nature 语法讲解（英语新教材人教版八年级下册）

Unit 4 The Wonders of Nature —— 形容词比较级和最高级语法详解 一、形容词比较级和最高级的变化规则 1. 单音节词和部分双音节词的变化规则 规则：大多数词尾加 -er 或 -est · fast → faster → fastest（快的 → 更快 → 最快） 规则：以字母 e 结尾的词加 -r 或 -st · large → larger → largest（大的 → 更大 → 最大） 规则：重读闭音节，末尾只有一个辅音字母，双写该辅音字母再加 -er 或 -est · fat → fatter → fattest（胖的 → 更胖 → 最胖） 规则：辅音字母 + y 结尾，变 y 为 i，再加 -er 或 -est · heavy → heavier → heaviest（重的 → 更重 → 最重） 练习题： ( ) 1. The box is ______ than that one. A. heavy B. heavier C. heaviest 2. 多音节词和部分双音节词的变化规则 规则：在词的前面加 more 或 most · popular → more popular → most popular（受欢迎的 → 更受欢迎 → 最受欢迎） · beautiful → more beautiful → most beautiful（美丽的 → 更美丽 → 最美丽） 练习题： ( ) 2. This movie is ______ than that one. A. interesting B. more interesting C. most interesting 3. 不规则变化 常见不规则变化： · good/well → better → best（好的 → 更好 → 最好） · bad/badly → worse → worst（坏的 → 更坏 → 最坏） · many/much → more → most（多的 → 更多 → 最多） · little → less → least（少的 → 更少 → 最少） · far → farther/further → farthest/furthest（远的 → 更远 → 最远） 练习题： ( ) 3. His English is ______ than mine. A. good B. better C. best 二、形容词比较级的用法 1. 比较级的基本句型：A + 动词 + 比较级 + than + B 用法：表示“A比B更……”。 例句：· Tom is taller than Mike.（汤姆比迈克高。） · This book is more interesting than that one.（这本书比那本书更有趣。） 练习题： ( ) 4. My sister is ______ than me. A. young B. younger C. youngest 2. 比较级 + than any other + 可数名词单数 用法：表示“比其他任何……都……”，用于同一范围内的比较。 例句： · Qomolangma is higher than any other mountain in the world.（珠穆朗玛峰比世界上其他任何一座山都要高。） 练习题： ( ) 5. China is larger than ______ country in Asia. A. any B. any other C. other 3. 比较级 + and + 比较级 用法：表示“越来越……”。 例句： · It's getting colder and colder.（天气越来越冷。） · She is becoming more and more beautiful.（她变得越来越漂亮。） 练习题： ( ) 6. Our city is becoming ______. A. beautiful and beautiful B. more beautiful and more beautiful C. more and more beautiful 4. Which/Who... + 动词 + 比较级, A or B? 用法：两者之间的选择，询问“哪一个更……”。 例句： · Which is fiercer, the tiger or the lion?（老虎和狮子哪个更强？） 练习题： ( ) 7. ______ is taller, Tom or Jerry? A. What B. Which C. Who 5. much / even / a little / a lot 修饰比较级 用法：比较级前可用much, even, a little, a lot等词修饰，表示程度。 例句：· He is much taller than me.（他比我高得多。） · This problem is a little more difficult than that one.（这个问题比那个难一点点。） 练习题： ( ) 8. This book is ______ more interesting than that one. A. very B. much C. too 三、形容词最高级的用法 1. 最高级的基本句型：主语 + 动词 (+the) + 最高级 + of/in/among... 用法：表示“……中最……的”。最高级前通常加the。 例句：· He is the tallest in our class.（他是我们班最高的。） · This is the most beautiful park in the city.（这是城市里最漂亮的公园。） 练习题： ( ) 9. Mount Qomolangma is ______ mountain in the world. A. high B. higher C. the highest 2. one of + the + 形容词最高级 + 可数名词复数 用法：表示“最……之一”。 例句：· Traditional Chinese painting is one of the oldest art forms in the world.（中国传统绘画是世界上最早的艺术形式之一。） 练习题： ( ) 10. Beijing is one of ______ in the world. A. the largest city B. the largest cities C. largest cities 3. the + 序数词 + 形容词最高级 + 可数名词单数 用法：表示“第……最……的”。 例句：· Saturn is the second biggest planet in the solar system.（土星是太阳系中第二大的行星。） 练习题： ( ) 11. The Yangtze River is ______ longest river in China. A. the B. the first C. the second 4. Which/Who... + 动词 (+the) 最高级, A, B or C? 用法：三者或三者以上的选择，询问“哪一个最……”。 例句：· Who is the tallest, Tom, Jack or Mike?（汤姆、杰克和迈克，谁更高？） 练习题： ( ) 12. ______ is the heaviest, the elephant, the tiger or the lion? A. What B. Which C. Who 5. 最高级前定冠词the的省略 用法：当最高级前有物主代词或名词所有格时，不加the。 例句：· He is my best friend.（他是我最好的朋友。） · This is Tom's oldest brother.（这是汤姆的大哥。） 练习题： ( ) 13. She is ______ best student in our class. A. the B. a C. / 四、较大数字的表达 1. hundred / thousand / million / billion 的确数表达 用法：前面有具体数字时，不加s，不加of。 例句：· There are two thousand students in our school.（我们学校有2000名学生。） · The mountain is three hundred meters high.（这座山有300米高。） 练习题： ( ) 14. There are about ______ people in the hall. A. five hundred B. five hundreds C. five hundred of 2. hundreds / thousands / millions / billions of 的概数表达 用法：表示模糊数量时，加s，加of，意为“数以……计”。 例句：· Thousands of tourists visit the Great Wall every year.（每年成千上万的游客参观长城。） · Millions of stars shine in the sky.（数百万颗星星在天空闪耀。） 练习题： ( ) 15. ______ people watched the football match. A. Two thousands B. Thousands of C. Thousand of 3. 大数的读法技巧（三位一读） 用法：从右向左每三位一组，从高位读起。 数字示例： · 9,956,654,321 读作：nine billion nine hundred fifty-six million six hundred fifty-four thousand three hundred twenty-one 练习题： ( ) 16. 5,678 的正确读法是： A. five thousand six hundred seventy-eight B. five thousand six hundred and seventy-eight C. five thousand six hundred seventy eight 五、易错点总结 比较级和最高级的混淆 · 正确：He is taller than me.（比较级） · 错误：He is tallest than me.（最高级不能与than连用） than any other 与 than any 的区别 · 同一范围用any other：China is larger than any other country in Asia. · 不同范围用any：China is larger than any country in Africa. more and more 的用法 · 正确：more and more beautiful · 错误：beautifuler and beautifuler 最高级前the的省略 · 正确：He is my best friend.（有物主代词，不加the） · 错误：He is the my best friend. 【综合练习】 一、单项选择 ( ) 1. Mount Qomolangma is ______ than any other mountain in the world. A. high B. higher C. highest ( ) 2. This book is ______ interesting than that one. A. more B. most C. much ( ) 3. She is ______ student in our class. A. good B. better C. the best ( ) 4. It's getting ______ and ______. A. cold; cold B. colder; colder C. coldest; coldest ( ) 5. ______ is bigger, the sun or the moon? A. What B. Which C. Who ( ) 6. There are about ______ students in our school. A. two thousand B. two thousands C. two thousand of ( ) 7. Beijing is one of ______ in the world. A. the largest city B. the largest cities C. largest cities ( ) 8. He is ______ taller than his brother. A. very B. much C. more 二、用所给词的正确形式填空 1. This mountain is ______ (high) than that one. 2. She is ______ (beautiful) girl in our class. 3. The weather is getting ______ and ______ (warm). 4. Which is ______ (big), the sun, the moon or the earth? 5. There are ______ (thousand) of tourists every year. 6. He is ______ (good) student in our school. 7. This problem is much ______ (difficult) than that one. 8. The Yangtze River is the ______ (long) river in China. 三、句型转换 1. Tom is taller than Mike.（改为同义句） Mike is ______ than Tom. 2. This book is more interesting than that one.（改为同义句） That book is ______ interesting ______ this one. 3. He is the tallest student in our class.（改为同义句） He is taller than ______ ______ student in our class. 4. China is larger than any other country in Asia.（改为同义句） China is ______ ______ country in Asia. 5. The weather is getting warmer and warmer.（对划线部分提问） ______ is the weather getting? 6. There are two thousand students in our school.（对划线部分提问） ______ ______ students are there in our school? 7. The Yangtze River is the longest river in China.（改为同义句） The Yangtze River is longer than ______ ______ river in China. 8. She is more beautiful than her sister.（改为同义句） Her sister is ______ beautiful than her. 四、完成句子 1. 珠穆朗玛峰比世界上其他任何一座山都要高。 Qomolangma is ______ than ______ ______ mountain in the world. 2. 我们的生活变得越来越方便。 Our life is becoming ______ ______ ______. 3. 她在我们当中最努力。 She worked ______ among us. 4. 老虎和狮子哪个更凶猛？ ______ is ______, the tiger ______ the lion? 5. 北京是世界上最大的城市之一。 Beijing is one of ______ ______ ______ in the world. 6. 土星是太阳系中第二大的行星。 Saturn is ______ ______ biggest planet in the solar system. 7. 我们学校有大约两千名学生。 There are about ______ ______ students in our school. 8. 成千上万的游客每年参观长城。 ______ ______ tourists visit the Great Wall every year. 五、短文改错 下列句子中各有一处错误，请找出并改正。 1. Tom is taller than any boy in his class._______________. 2. She is the most beautiful girl in her class. She is beautifuler than any other girl._______________. 3. The weather is getting more and more cold._______________. 4. There are two hundreds students in the hall._______________. 5. He is my the best friend._______________. 6. Which is heavy, the elephant or the tiger?_______________. 7. This problem is very more difficult than that one._______________. 8. She is one of the tallest student in our class._______________. 六、完形填空 阅读下面短文，从每题所给的A、B、C三个选项中选出最佳选项。 China is a great country with many wonderful natural wonders. Mount Qomolangma is (1) ______ mountain in the world. It is (2) ______ than any other mountain. Every year, (3) ______ of climbers try to reach the top. The Yangtze River is the (4) ______ river in China. It is (5) ______ than the Yellow River. The Yellow River is the second (6) ______ river in China. Both of them are very important to Chinese people. China is also getting (7) ______ and more beautiful. More and more tourists come to visit. They think China is one of (8) ______ countries to visit. ( ) 1. A. high B. higher C. the highest ( ) 2. A. high B. higher C. highest ( ) 3. A. thousand B. thousands C. thousand of ( ) 4. A. long B. longer C. longest ( ) 5. A. long B. longer C. longest ( ) 6. A. long B. longer C. longest ( ) 7. A. beautiful B. more beautiful C. most beautiful ( ) 8. A. popular B. more popular C. the most popular ( 1 ) 学科网（北京）股份有限公司 $ Unit 4 The Wonders of Nature —— 形容词比较级和最高级语法详解 一、形容词比较级和最高级的变化规则 1. 单音节词和部分双音节词的变化规则 规则：大多数词尾加 -er 或 -est · fast → faster → fastest（快的 → 更快 → 最快） 规则：以字母 e 结尾的词加 -r 或 -st · large → larger → largest（大的 → 更大 → 最大） 规则：重读闭音节，末尾只有一个辅音字母，双写该辅音字母再加 -er 或 -est · fat → fatter → fattest（胖的 → 更胖 → 最胖） 规则：辅音字母 + y 结尾，变 y 为 i，再加 -er 或 -est · heavy → heavier → heaviest（重的 → 更重 → 最重） 练习题： ( ) 1. The box is ______ than that one. A. heavy B. heavier C. heaviest 【答案】B。 【解析】考查比较级形式。heavy是辅音字母+y结尾，变y为i加-er，heavier。句中有than，用比较级。 2. 多音节词和部分双音节词的变化规则 规则：在词的前面加 more 或 most · popular → more popular → most popular（受欢迎的 → 更受欢迎 → 最受欢迎） · beautiful → more beautiful → most beautiful（美丽的 → 更美丽 → 最美丽） 练习题： ( ) 2. This movie is ______ than that one. A. interesting B. more interesting C. most interesting 【答案】B。 【解析】考查多音节词比较级。interesting是多音节词，比较级在前面加more。句中有than，用比较级。 3. 不规则变化 常见不规则变化： · good/well → better → best（好的 → 更好 → 最好） · bad/badly → worse → worst（坏的 → 更坏 → 最坏） · many/much → more → most（多的 → 更多 → 最多） · little → less → least（少的 → 更少 → 最少） · far → farther/further → farthest/furthest（远的 → 更远 → 最远） 练习题： ( ) 3. His English is ______ than mine. A. good B. better C. best 【答案】B。 【解析】考查不规则变化。good的比较级是better。句中有than，用比较级。 二、形容词比较级的用法 1. 比较级的基本句型：A + 动词 + 比较级 + than + B 用法：表示“A比B更……”。 例句：· Tom is taller than Mike.（汤姆比迈克高。） · This book is more interesting than that one.（这本书比那本书更有趣。） 练习题： ( ) 4. My sister is ______ than me. A. young B. younger C. youngest 【答案】B。 【解析】考查比较级基本句型。句中有than，用比较级younger。 2. 比较级 + than any other + 可数名词单数 用法：表示“比其他任何……都……”，用于同一范围内的比较。 例句： · Qomolangma is higher than any other mountain in the world.（珠穆朗玛峰比世界上其他任何一座山都要高。） 练习题： ( ) 5. China is larger than ______ country in Asia. A. any B. any other C. other 【答案】B。 【解析】考查同一范围内的比较。中国属于亚洲，所以要用any other表示“其他任何”。 3. 比较级 + and + 比较级 用法：表示“越来越……”。 例句： · It's getting colder and colder.（天气越来越冷。） · She is becoming more and more beautiful.（她变得越来越漂亮。） 练习题： ( ) 6. Our city is becoming ______. A. beautiful and beautiful B. more beautiful and more beautiful C. more and more beautiful 【答案】C。 【解析】考查“越来越……”的表达。多音节词用“more and more + 原级”。 4. Which/Who... + 动词 + 比较级, A or B? 用法：两者之间的选择，询问“哪一个更……”。 例句： · Which is fiercer, the tiger or the lion?（老虎和狮子哪个更强？） 练习题： ( ) 7. ______ is taller, Tom or Jerry? A. What B. Which C. Who 【答案】C。 【解析】考查两者之间的比较疑问句。询问人用Who，询问物用Which。 5. much / even / a little / a lot 修饰比较级 用法：比较级前可用much, even, a little, a lot等词修饰，表示程度。 例句：· He is much taller than me.（他比我高得多。） · This problem is a little more difficult than that one.（这个问题比那个难一点点。） 练习题： ( ) 8. This book is ______ more interesting than that one. A. very B. much C. too 【答案】B。 【解析】考查比较级修饰词。much可以修饰比较级，very和too不能修饰比较级。 三、形容词最高级的用法 1. 最高级的基本句型：主语 + 动词 (+the) + 最高级 + of/in/among... 用法：表示“……中最……的”。最高级前通常加the。 例句：· He is the tallest in our class.（他是我们班最高的。） · This is the most beautiful park in the city.（这是城市里最漂亮的公园。） 练习题： ( ) 9. Mount Qomolangma is ______ mountain in the world. A. high B. higher C. the highest 【答案】C。 【解析】考查最高级。句中有in the world，表示范围，用最高级，加the。 2. one of + the + 形容词最高级 + 可数名词复数 用法：表示“最……之一”。 例句：· Traditional Chinese painting is one of the oldest art forms in the world.（中国传统绘画是世界上最早的艺术形式之一。） 练习题： ( ) 10. Beijing is one of ______ in the world. A. the largest city B. the largest cities C. largest cities 【答案】B。考 【解析】查“one of + 最高级 + 名词复数”结构。名词要用复数形式。 3. the + 序数词 + 形容词最高级 + 可数名词单数 用法：表示“第……最……的”。 例句：· Saturn is the second biggest planet in the solar system.（土星是太阳系中第二大的行星。） 练习题： ( ) 11. The Yangtze River is ______ longest river in China. A. the B. the first C. the second 【答案】A。 【解析】考查“序数词+最高级”结构。长江是中国第一长河。 4. Which/Who... + 动词 (+the) 最高级, A, B or C? 用法：三者或三者以上的选择，询问“哪一个最……”。 例句：· Who is the tallest, Tom, Jack or Mike?（汤姆、杰克和迈克，谁更高？） 练习题： ( ) 12. ______ is the heaviest, the elephant, the tiger or the lion? A. What B. Which C. Who 【答案】B。 【解析】考查三者之间的比较疑问句。询问动物用Which。 5. 最高级前定冠词the的省略 用法：当最高级前有物主代词或名词所有格时，不加the。 例句：· He is my best friend.（他是我最好的朋友。） · This is Tom's oldest brother.（这是汤姆的大哥。） 练习题： ( ) 13. She is ______ best student in our class. A. the B. a C. / 【答案】A。 【解析】考查最高级前加the。没有物主代词，要用the。 四、较大数字的表达 1. hundred / thousand / million / billion 的确数表达 用法：前面有具体数字时，不加s，不加of。 例句：· There are two thousand students in our school.（我们学校有2000名学生。） · The mountain is three hundred meters high.（这座山有300米高。） 练习题： ( ) 14. There are about ______ people in the hall. A. five hundred B. five hundreds C. five hundred of 【答案】A。 【解析】考查确数表达。具体数字后hundred用单数，不加of。 2. hundreds / thousands / millions / billions of 的概数表达 用法：表示模糊数量时，加s，加of，意为“数以……计”。 例句：· Thousands of tourists visit the Great Wall every year.（每年成千上万的游客参观长城。） · Millions of stars shine in the sky.（数百万颗星星在天空闪耀。） 练习题： ( ) 15. ______ people watched the football match. A. Two thousands B. Thousands of C. Thousand of 【答案】B。 【解析】考查概数表达。模糊数量用thousands of，表示“成千上万”。 3. 大数的读法技巧（三位一读） 用法：从右向左每三位一组，从高位读起。 数字示例： · 9,956,654,321 读作：nine billion nine hundred fifty-six million six hundred fifty-four thousand three hundred twenty-one 练习题： ( ) 16. 5,678 的正确读法是： A. five thousand six hundred seventy-eight B. five thousand six hundred and seventy-eight C. five thousand six hundred seventy eight 【答案】B。 【解析】考查大数读法。百位和十位之间通常加and。 五、易错点总结 比较级和最高级的混淆 · 正确：He is taller than me.（比较级） · 错误：He is tallest than me.（最高级不能与than连用） than any other 与 than any 的区别 · 同一范围用any other：China is larger than any other country in Asia. · 不同范围用any：China is larger than any country in Africa. more and more 的用法 · 正确：more and more beautiful · 错误：beautifuler and beautifuler 最高级前the的省略 · 正确：He is my best friend.（有物主代词，不加the） · 错误：He is the my best friend. 【综合练习】 一、单项选择 ( ) 1. Mount Qomolangma is ______ than any other mountain in the world. A. high B. higher C. highest ( ) 2. This book is ______ interesting than that one. A. more B. most C. much ( ) 3. She is ______ student in our class. A. good B. better C. the best ( ) 4. It's getting ______ and ______. A. cold; cold B. colder; colder C. coldest; coldest ( ) 5. ______ is bigger, the sun or the moon? A. What B. Which C. Who ( ) 6. There are about ______ students in our school. A. two thousand B. two thousands C. two thousand of ( ) 7. Beijing is one of ______ in the world. A. the largest city B. the largest cities C. largest cities ( ) 8. He is ______ taller than his brother. A. very B. much C. more 【答案】1.B；2. A；3.C；4.B；5.B；6.A；7.B；8.B 【解析】1. B。考查比较级。句中有than any other，用比较级higher。 2. A。考查比较级。interesting是多音节词，比较级用more interesting。 3. C。考查最高级。句中有in our class表示范围，用最高级the best。 4. B。考查“越来越……”的表达。cold是单音节词，用colder and colder。 5. B。考查两者之间的比较疑问句。询问事物用Which。 6. A。考查确数表达。具体数字后hundred用单数，不加of。 7. B。考查“one of + 最高级 + 名词复数”结构。 8. B。考查比较级修饰词。much可以修饰比较级，very不能。 二、用所给词的正确形式填空 1. This mountain is ______ (high) than that one. 2. She is ______ (beautiful) girl in our class. 3. The weather is getting ______ and ______ (warm). 4. Which is ______ (big), the sun, the moon or the earth? 5. There are ______ (thousand) of tourists every year. 6. He is ______ (good) student in our school. 7. This problem is much ______ (difficult) than that one. 8. The Yangtze River is the ______ (long) river in China. 【答案】1. higher；2. the most beautiful；3. warmer; warmer；4. the biggest；5. thousands；6. the best；7. more difficult ；8. longest 【解析】1. higher。句中有than，用比较级。 2. the most beautiful。句中有in our class表示范围，用最高级。 3. warmer; warmer。“越来越暖和”用warmer and warmer。 4. the biggest。三者比较用最高级。 5. thousands。概数表达用thousands of。 6. the best。最高级，good的最高级是best。 7. more difficult。句中有than，用比较级。 8. longest。最高级，the longest river。 三、句型转换 1. Tom is taller than Mike.（改为同义句） Mike is ______ than Tom. 2. This book is more interesting than that one.（改为同义句） That book is ______ interesting ______ this one. 3. He is the tallest student in our class.（改为同义句） He is taller than ______ ______ student in our class. 4. China is larger than any other country in Asia.（改为同义句） China is ______ ______ country in Asia. 5. The weather is getting warmer and warmer.（对划线部分提问） ______ is the weather getting? 6. There are two thousand students in our school.（对划线部分提问） ______ ______ students are there in our school? 7. The Yangtze River is the longest river in China.（改为同义句） The Yangtze River is longer than ______ ______ river in China. 8. She is more beautiful than her sister.（改为同义句） Her sister is ______ beautiful than her. 【答案】1. shorter；2. less; than；3. any other；4. the largest；5. How； 6. How many；7. any other；8. less； 四、完成句子 1. 珠穆朗玛峰比世界上其他任何一座山都要高。 Qomolangma is ______ than ______ ______ mountain in the world. 2. 我们的生活变得越来越方便。 Our life is becoming ______ ______ ______. 3. 她在我们当中最努力。 She worked ______ among us. 4. 老虎和狮子哪个更凶猛？ ______ is ______, the tiger ______ the lion? 5. 北京是世界上最大的城市之一。 Beijing is one of ______ ______ ______ in the world. 6. 土星是太阳系中第二大的行星。 Saturn is ______ ______ biggest planet in the solar system. 7. 我们学校有大约两千名学生。 There are about ______ ______ students in our school. 8. 成千上万的游客每年参观长城。 ______ ______ tourists visit the Great Wall every year. 【答案】1. higher; any other；2. more and more convenient；3. hardest；4. Which; fiercer; ；5. the largest cities； 7. the second；7. two thousand；8. Thousands of 五、短文改错 下列句子中各有一处错误，请找出并改正。 1. Tom is taller than any boy in his class._______________. 2. She is the most beautiful girl in her class. She is beautifuler than any other girl._______________. 3. The weather is getting more and more cold._______________. 4. There are two hundreds students in the hall._______________. 5. He is my the best friend._______________. 6. Which is heavy, the elephant or the tiger?_______________. 7. This problem is very more difficult than that one._______________. 8. She is one of the tallest student in our class._______________. 【答案】1. any后加other。2. beautifuler → more beautiful；3. more and more cold → colder and colder；4. hundreds → hundred；5. 去掉the。；6. heavy → heavier；7. 去掉very； 8.student → students。； 【解析】1. any后加other。同一范围内比较要用any other。 2. beautifuler → more beautiful。beautiful是多音节词，比较级用more beautiful。 3. more and more cold → colder and colder。cold是单音节词，用colder and colder。 4. hundreds → hundred。具体数字后hundred用单数。 5. 去掉the。最高级前有物主代词my，不加the。 6. heavy → heavier。两者比较用比较级。 7. 去掉very。very不能修饰比较级，改为much。 8. student → students。“one of + 最高级 + 名词复数”结构。 六、完形填空 阅读下面短文，从每题所给的A、B、C三个选项中选出最佳选项。 China is a great country with many wonderful natural wonders. Mount Qomolangma is (1) ______ mountain in the world. It is (2) ______ than any other mountain. Every year, (3) ______ of climbers try to reach the top. The Yangtze River is the (4) ______ river in China. It is (5) ______ than the Yellow River. The Yellow River is the second (6) ______ river in China. Both of them are very important to Chinese people. China is also getting (7) ______ and more beautiful. More and more tourists come to visit. They think China is one of (8) ______ countries to visit. ( ) 1. A. high B. higher C. the highest ( ) 2. A. high B. higher C. highest ( ) 3. A. thousand B. thousands C. thousand of ( ) 4. A. long B. longer C. longest ( ) 5. A. long B. longer C. longest ( ) 6. A. long B. longer C. longest ( ) 7. A. beautiful B. more beautiful C. most beautiful ( ) 8. A. popular B. more popular C. the most popular 【答案】1. C；2. B； 3. B；4. C；5. B；6. C；7. B；8. C； 【解析】1. C。句中有in the world表示范围，用最高级the highest。 2. B。句中有than any other，用比较级higher。 3. B。概数表达用thousands of。 4. C。句中有in China表示范围，用最高级the longest。 5. B。句中有than，用比较级longer。 6. C。the second longest表示“第二长”。 7. B。“越来越漂亮”用more and more beautiful。 8. C。“one of + 最高级 + 名词复数”结构，用the most popular。 ( 1 ) 学科网（北京）股份有限公司 $