资源简介 2025 秋人教英语八上 单元语法Unit 4 Amazing Plants and Animals形容词和副词最高级一、定义:形容词和副词的最高级用于比较三个或三个以上的人或事物,表明在某方面“最……”的性质、特征或动作程度。通过最高级,我们能够明确指出在多个对象中处于最突出地位的那一个,使信息表达更加精确和具体 。比如,“The blue whale is the largest and theheaviest animal in the world.”(蓝鲸是世界上最大且最重的动物。)这句话中,“the largest”(最大的)和 “the heaviest”(最重的)就是最高级形式,清晰地表明了蓝鲸在动物中体型方面的最突出特点。二、形容词、副词最高级的构成:规则变化:(一)一般情况下,直接在形容词或副词后 + est。如:“tall”(高的)变为 “tallest”(最高的) ;“fast”(快地)变为 “fastest”(最快地)。(二)以不发音的 -e 结尾的单词,直接 + st。如:“nice”(好的)变为 “nicest”(最好的);“late”(晚的)变为 “latest”(最晚的)。(三)以 “辅音字母 + y” 结尾的单词,变 y 为 i,再 + est。如:“happy”(开心的)变为 “happiest”(最开心的);“early”(早地)变为 “earliest”(最早地)。(四)末尾只有一个辅音字母的重读闭音节单词,双写该辅音字母,再 + est。如:“big”(大的)变为 “biggest”(最大的);“hot”(热的)变为 “hottest”(最热的)。(五)部分双音节和多音节单词,在单词前 + most。如:“beautiful”(美丽的)变为 “most beautiful”(最美丽的);“carefully”(仔细地)变为 “most carefully”(最仔细地)。第 1页共 3页2025 秋人教英语八上 单元语法不规则变化:有一些形容词和副词的最高级变化是不规则的,需要特殊记忆。如:“good /well”(好的 / 好地)的最高级是 “best”(最好的 / 最好地)。“bad /badly”(坏的 / 坏地)的最高级是 “worst”(最坏的 / 最坏地)。“many /much”(许多)的最高级是 “most”(最多的)。“little”(少的)的最高级是 “least”(最少的)。“far”(远的)的最高级有 “farthest”(最远的,侧重于距离)和 “furthest”(最远的,可指距离、程度等)。“old” 的最高级有 “oldest”(最年长的,指年龄大小)和 “eldest”(最年长的,常用于表示家庭成员间的长幼顺序)。三、形容词、副词最高级的用法:(一)三者或三者以上之间的比较基本结构为:主语 + be 动词 + the + 形容词最高级 + 表示范围的短语或从句;主语 + 实义动词 + (the) + 副词最高级 + 表示范围的短语或从句。如:“The cheetah runs the fastest among all land animals.”(猎豹在所有陆地动物中跑得最快。);“I think the most useful plant in the world is bamboo.”(我认为世界上最有用的植物是竹子。)(二)在三者或三者以上中选择结构为:which/who is + the + 最高级,A, B or C 如:“Which is the most beautiful, the rose, the peony, or the lotus flower ”(玫瑰、牡丹和莲花,哪一种最美丽?)(三)最…… 之一结构为:one of the +形容词最高级 +可数名词复数。如:“Ginkgo trees are one of the oldest living trees on earth.”(银杏树是地第 2页共 3页2025 秋人教英语八上 单元语法球上现存最古老的树木之一。)(四)修饰最高级为了更准确地表达最高程度,可以用一些词或短语来修饰最高级。常见的有 “byfar”(最……;显然) ,“nearly”(几乎),“almost”(几乎)等。如:“This is by far the best movie I've ever seen.”(这显然是我看过的最好的电影。)(五)同级比较(与最高级相关的特殊情况)在表达 “第二、第三…… 最……” 时,结构为:the + 序数词 + 最高级。如:“The Amazon River is the second longest river in the world.”(亚马逊河是世界上第二长的河流。)四、使用最高级时的注意事项:(一)使用最高级时,一定要有表示比较范围的短语或从句,如 “in...”(在…… 范围内),“among...”(在…… 之中)等 。如:“He is the tallest in his class.”(他在他的班级里是最高的。)这里 “in his class” 明确了比较的范围。(二)形容词最高级前一般要加定冠词 “the”,但当最高级前有物主代词、指示代词、名词所有格等限定词时,不加 “the” 。如:“This is my best friend.”(这是我最好的朋友。)(三)副词最高级前的 “the” 可以省略 。如:“He runs (the) fastest in our school.”(他在我们学校跑得最快。)第 3页共 3页2025 秋人教英语八上 单元语法Unit 4 Amazing Plants and Animals形容词和副词最高级巩固练习一、单项选择1. The blue whale is ______ animal in the world.A. large B. larger C. the largest2. Which is ______, the sun, the moon or the earth A. big B. bigger C. the biggest3. Among all the fruits, I think apples are ______.A. delicious B. more delicious C. the most delicious4. Cheetahs run ______ among all land animals.A. fast B. faster C. the fastest5. The ginkgo tree is one of ______ living trees on earth.A. old B. older C. the oldest6. Bamboo is ______ useful plant in the world.A. a very B. a more C. the most7. In my class, Tom is ______ boy.A. tall B. taller C. the tallest8. Which do you like ______, red, blue or green A. well B. better C. best9. The elephant birds were ______ birds ever on earth.A. large B. larger C. the largest10. Bees are one of ______ animals on the planet.A. important B. more important C. the most important二、用所给单词的适当形式填空1. The redwood tree is one of the ______ (tall) trees in the world.2. I think pandas are the ______ (cute) animals.第 1页共 6页2025 秋人教英语八上 单元语法3. Which is the ______ (beautiful), the rose, the lily or the tulip 4. The cheetah is the ______ (fast) land animal.5. Bamboo is one of the ______ (useful) plants.6. The blue whale is the ______ (heavy) animal in the ocean.7. Among all the students, he studies ______ (hard).8. Ginkgo trees are some of the ______ (ancient) trees.9. Bees are the ______ (important) animals for plants' growth.10. The ______ (large) land animal is the African elephant.三、根据汉语提示完成句子1. 蓝鲸是世界上最大最重的动物。The blue whale is ______ ______ and ______ animal in the world.2. 猎豹在所有陆地动物中跑得最快。The cheetah runs ______ ______ among all land animals.3. 我认为竹子是世界上最有用的植物。I think bamboo is ______ ______ ______ plant in the world.4. 银杏树是地球上现存最古老的树木之一。Ginkgo trees are one of ______ ______ living trees on earth.5. 熊猫是世界上最可爱的动物之一。Pandas are one of ______ ______ animals in the world.6. 在所有动物中,我最喜欢蜜蜂。Among all animals, I like bees ______ ______.7. 玫瑰、牡丹和莲花,哪一种最美丽?Which is ______ ______ ______, the rose, the peony or the lotus flower 8. 大象鸟是地球上曾经存在过的最大最重的鸟类之一。The elephant birds were one of the ______ and ______ birds ever on earth.9. 我认为蜜蜂是地球上最有趣的动物之一。I think bees are one of ______ ______ ______ animals on earth.10.竹子是生长最快的植物之一。Bamboo is one of the ______ - ______ plants.第 2页共 6页2025 秋人教英语八上 单元语法四、阅读理解There are many amazing animals in the world. The kangaroo is one of the mostinteresting animals. It has a special pouch where it can carry its baby. Kangaroos canjump very far. They are good at jumping because their hind legs are very strong.The koala is another cute animal. It spends most of its time in trees. Koalas eateucalyptus leaves. They are very lazy and sleep for about 20 hours a day.The penguin is a very special bird. It can't fly, but it can swim very well. Penguinslive in cold places. They have thick feathers to keep warm. They often huddletogether to protect themselves from the cold wind.1.( )Why can kangaroos jump very far A. Because they have a special pouch.B. Because their hind legs are very strong.C. Because they are very cute.2.( )What do koalas eat A. Grass. B. Eucalyptus leaves. C. Small animals.3.( )What can penguins do A. Fly very high. B. Swim very well. C. Run very fast.4.( )Which of the following is the most suitable title for this passage A. The Most Interesting Animals in the WorldB. Animals and Their HabitsC. Amazing Animals in the World第 3页共 6页2025 秋人教英语八上 单元语法五、写作以 “The Most Amazing Animal” 为题,写一篇短文介绍一种你认为最神奇的动物。要求:80词左右,语句通顺,语法正确。介绍内容包括动物的外貌、习性、特殊之处等方面。第 4页共 6页2025 秋人教英语八上 单元语法答案一、单项选择1. C。“in the world” 表示范围,在世界范围内比较,用最高级,“large” 的最高级是 “the largest” ,所以选 C。2. C。在 “the sun, the moon or the earth” 三者之间比较大小,用最高级,“big” 的最高级是 “thebiggest”,选 C。3. C。“Among all the fruits” 表明是在所有水果这个范围内比较,用最高级,“delicious” 是多音节词,最高级是 “the most delicious”,选 C。4. C。“among all land animals”在所有陆地动物中比较,用最高级,“fast”的最高级是 “the fastest”,选C。5. C。“one of the +形容词最高级 +可数名词复数”表示 “最……之一”,“old”的最高级是 “the oldest”,选 C。6. C。根据 “in the world”可知是在世界范围内比较,用最高级,“useful”的最高级是 “the most useful”,选 C。7. C。“In my class”在班级这个范围内比较,用最高级,“tall”的最高级是 “the tallest”,选 C。8. C。在 “red, blue or green”三者之间选择,用最高级,“well”的最高级是 “best”,选 C。9. C。“ever on earth” 表示在地球上曾经(存在的),是比较的范围,用最高级,“large” 的最高级是“the largest”,选 C。10. C。“one of the +形容词最高级 +可数名词复数”结构,“important”的最高级是 “the most important”,选 C。二、用所给单词的适当形式填空1. tallest。“one of the +形容词最高级 +可数名词复数”,“tall”的最高级是 “tallest”。2.cutest。“the +形容词最高级”表示 “最……”,“cute”的最高级是 “cutest”。3.most beautiful。“the +多音节形容词最高级”,“beautiful”的最高级是 “most beautiful”。4.fastest。“the +形容词最高级”,“fast”的最高级是 “fastest”。5.most useful。“one of the +形容词最高级 +可数名词复数”,“useful”的最高级是 “most useful”。6.heaviest。“the +形容词最高级”,“heavy”的最高级是 “heaviest”。7.hardest。“Among all the students” 在所有学生这个范围内,修饰动词 “studies” 用副词最高级,“hard”的最高级是 “hardest”。8.most ancient。“some of the +形容词最高级 +可数名词复数”,“ancient”的最高级是 “most ancient”。9.most important。“the +形容词最高级”,“important”的最高级是 “most important”。10.largest。“the +形容词最高级”,“large”的最高级是 “largest”。三、根据汉语提示完成句子1.the largest; heaviest 2.the fastest 3.the most useful 4.the oldest 5.the cutest6.the best 7.the most beautiful 8.largest; heaviest 9.the most interesting 10.fastest - growing四、阅读理解1.B。从文中 “They are good at jumping because their hind legs are very strong.” 可知袋鼠能跳得远是因为后腿很强壮,选 B。2.B。文中提到 “Koalas eat eucalyptus leaves.”,所以考拉吃桉树叶,选 B。3.B。根据 “It can't fly, but it can swim very well.”可知企鹅游泳很棒,选 B。4.C。文章介绍了袋鼠、考拉、企鹅等神奇的动物,A 选项 “世界上最有趣的动物”,文章并没有强调这些动物是最有趣的;B选项 “动物和它们的习性”,没有突出动物的神奇之处;C选项 “世界上神奇的动物”更合适,选 C。五、写作The Most Amazing Animal第 5页共 6页2025 秋人教英语八上 单元语法I think the most amazing animal is the octopus. It has a very strange appearance. It has eight long andflexible tentacles, which look like long ropes. These tentacles are very useful. They can be used to catch foodand protect itself.Octopuses live in the ocean. They are good at changing their colors. When they sense danger or want tohunt, they can quickly change their body colors to blend in with the surroundings. This ability helps themavoid being found by predators and catch prey more easily.Octopuses are also very smart. They can solve simple problems. For example, they can figure out how toopen a jar to get the food inside. Their unique appearance, special skills, and intelligence make them the mostamazing animals in my eyes.第 6页共 6页 展开更多...... 收起↑ 资源列表 2025秋人教英语八上 单元语法Unit 4.pdf 2025秋人教英语八上 单元语法Unit 4巩固练习.pdf