Unit 4 Amazing Plants and Animals重点知识总结与易错专项训练 2026-2027学年人教版八年级英语上册

**基本信息** 以“动植物主题”为载体，构建“知识总结-分层训练-方法提炼”三维体系，系统突破形容词最高级等核心语法点，兼顾语言能力与思维品质培养。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |形容词/副词最高级|9题（含规则/不规则变化）|单音节加-est、多音节加most，不规则变化表（good→best等）|从构成规则到范围表达（in/of/among）递进| |最高级结构与用法|12题（含the的取舍、one of结构）|物主代词前不加the，“one of+最高级+复数名词”句型|从基础用法到综合选择疑问句应用| |易混词辨析|18题（含between/among等）|两者用between...and，三者用among；the number of后接单数谓语|从词义辨析到语法功能区分|

最新人教版八年级上册 Unit 4 Amazing Plants and Animals 重点知识总结与易错专项训练 一、重点单词（四会词，紧扣本单元） 动植物名词：moss 苔藓；redwood 红杉；cheetah 猎豹；bamboo 竹子；rose 玫瑰；peony 牡丹；lotus 莲花；butterfly 蝴蝶；wing 翅膀；frog 青蛙；ginkgo 银杏；honeycomb 蜂巢；bee 蜜蜂；ant 蚂蚁；blue whale 蓝鲸 描述词：popular 广受欢迎的；folding 折叠式的；African 非洲的；disappointed 失望的；tiny 极小的；lively 生机勃勃的；ancient 古老的；common 普通的；beautiful 美丽的 动词：appear 出现；weigh 有……重；connect 连接；imagine 想象；protect 保护；communicate 交流；store 贮存；disappoint 使失望 其他名词：goodness 美德；tool 工具；land 陆地；province 省份；honey 蜂蜜；connection 联系；action 行动；per cent 百分之；planet 行星；ecosystem 生态系统；importance 重要性；human 人；happiness 幸福；mushroom 蘑菇；ton 吨；role 作用；climate 气候；ocean 海洋；title 标题；kg 千克 副词/其他：actually 实际上；except 除……之外 二、重点短语（本单元核心搭配） a folding fan 折扇；feel free (to do sth) 可以随便做某事；take a walk 散步 be connected with / to 与……相连/有关联；in fact 实际上；for this reason 出于这个原因 in order to 为了、以便；be home to sb/sth 是……的栖息地；play a part (in sth) 参与某事 play a role (in) 在……中发挥作用；live up to 达到、符合；communicate with 与……交流 one of the + 最高级 + 复数名词 最……之一；the number of ……的数量；thousands of 成千上万的 up to 多达、达到；a symbol of ……的象征 use sth. to do sth. 用某物做某事；be used to do sth. 被用来做某事；be used for (doing) sth. 用于（做）某事 三、重点句型（本单元必会） 主语 + be + the + 形容词最高级 + 名词 + in/of + 范围 The blue whale is the largest animal in the world. 蓝鲸是世界上最大的动物。 主语 + be + one of the + 形容词最高级 + 复数名词 + in/of + 范围 Bamboo is one of the most popular subjects in Chinese paintings. 竹子是中国画中最受欢迎的题材之一。 选择疑问句：Which / Who + be/动词 + the + 最高级, A, B or C? Which is the most beautiful, the rose, the peony, or the lotus? 玫瑰、牡丹和莲花哪个最美？ seem 句型：seem (to be) + 形/名；seem to do；It seems that... Bamboo seems to be a very popular plant in China. 竹子在中国似乎是一种很受欢迎的植物。 序数词 + 最高级：The Yellow River is the second longest river in China. Without..., ...would (not)... 没有……就不能……；in order to + 动词原形（表目的） 四、重点语法（本单元灵魂） （一）形容词、副词最高级 规则变化：tall→tallest；large→largest；big→biggest（双写）；heavy→heaviest（变 y 为 i）；beautiful→most beautiful（多音节加 most） 不规则变化：good/well→best；bad→worst；many/much→most；little→least；far→farthest/furthest 用法：三者及以上比较；形容词最高级前加 the（副词最高级 the 可省）；其前有物主代词/指示代词时不加 the 范围词：in（地点/范围）；of（群体）；among（三者及以上之中） 常用结构：one of the + 最高级 + 复数名词；Which/Who...A, B or C?；the + 序数词 + 最高级 （二）名词后缀构词：-ance, -(t)ion, -ness, -ity（importance, connection, action, happiness） （三）between 与 among：两者用 between...and；三者及以上用 among （四）the number of 与 a number of：the number of + 单数谓语；a number of + 复数谓语 重点易错专项训练（选择题） 说明：每题只有一个正确答案。基础题巩固规则，提升题辨析易混，拓展题综合应用。 考点一：形容词、副词最高级的规则构成（双写尾字母、变 y 为 i、加 -est/-st；多音节加 most） 【基础题（选择题）】 ◇（ ）1. The redwood is one of the ______ trees in the world. A. Tall B. taller C. tallest D. most tall ◇（ ）2. The cheetah runs the ______ among all land animals. A. Fast B. faster C. fastest D. most fast ◇（ ）3. The blue whale is the ______ animal in the ocean. A. Big B. bigger C. biggest D. most big 【提升题（选择题）】 ▷（ ）1. The elephant bird was one of the ______ birds ever on earth. A. heavy B. heavier C. heaviest D. most heavy ▷（ ）2. Among the flowers, the peony is the ______ in Lily's garden. A. large B. larger C. largest D. most large ▷（ ）3. Moss is one of the ______ plants, but it can live for a long time. A. small B. smaller C. smallest D. most small 【拓展题（选择题）】 ★（ ）1. — Which is the ______, the redwood, the ginkgo or the rose? — The redwood. A. Tall B. taller C. tallest D. most tall ★（ ）2. Of the three, the frog is the ______ and the cheetah is the ______. A. small; fast B. smaller; faster C. smallest; fastest D. most small; most fast ★（ ）3. The ______ flower in the garden is the lotus; it is also the ______ one. A. beautiful; colourful B. most beautiful; most colourful C. beautifullest; colourfullest D. more beautiful; more colourful 考点二：最高级的不规则变化（good/well→best, bad→worst, many/much→most, little→least, far→farthest/furthest） 【基础题（选择题）】 ◇（ ）1. The blue whale is the ______ animal in the world. A. Good B. better C. best D. well ◇（ ）2. Of all the students, Chen Wei sings ______. A. Good B. well C. better D. best ◇（ ）3. Bamboo is one of the ______ useful plants. A. much B. more C. most D. many 【提升题（选择题）】 ▷（ ）1. Among the three animals, the butterfly can fly the ______. A. Far B. farther C. farthest D. most far ▷（ ）2. The ______ thing is that bees are disappearing. A. bad B. worse C. worst D. badly ▷（ ）3. Ginkgo trees need the ______ water in winter. A. Little B. less C. least D. fewest 【拓展题（选择题）】 ★（ ）1. Bamboo grows the ______ among the plants, and it is also the ______ useful. A. fast; many B. faster; more C. fastest; most D. most fast; most ★（ ）2. Of all the plants, moss needs the ______ sunlight to live. A. little B. less C. least D. few ★（ ）3. The ______ news is that the number of bees is dropping. A. bad B. worse C. worst D. badly 考点三：最高级前定冠词 the 的取舍（形容词最高级前必加 the；其前有物主代词、指示代词等时不加 the） 【基础题（选择题）】 ◇（ ）1. The blue whale is ______ largest and heaviest animal on earth. A. A B. an C. the D. / ◇（ ）2. This is ______ best book in my bag. A. my the best B. my best C. the my best D. my a best ◇（ ）3. The ginkgo is ______ oldest living tree on earth. A. a B. an C. the D. / 【提升题（选择题）】 ▷（ ）1. Tom is ______ tallest boy in Class 8. A. a B. an C. the D. / ▷（ ）2. Our ______ wish is to protect wild animals. A. the biggest B. Biggest C. a biggest D. an biggest ▷（ ）3. ______ biggest dream is to see a blue whale. A. Our the B. Our C. The our D. A 【拓展题（选择题）】 ★（ ）1. — Which is ______, the rose, the peony or the lotus? — The lotus is ______. A. beautiful; the most beautiful B. the most beautiful; most beautiful C. most beautiful; the most beautiful D. the most beautiful; the most beautiful ★（ ）2. Our ______ time is to take a walk under ginkgo trees. A. the happiest B. happiest C. a happiest D. an happiest ★（ ）3. The Yellow River is ______ second longest river in China. A. a B. an C. the D. / 考点四：“one of the + 形容词最高级 + 复数名词”结构（名词用复数、谓语用单数） 【基础题（选择题）】 ◇（ ）1. Bamboo is one of the most ______ subjects in Chinese paintings. A. Popular B. popularer C. popularest D. more popular ◇（ ）2. Ginkgo is one of the most beautiful living ______ on earth. A. tree B. trees C. tree's D. a tree ◇（ ）3. Moss is one of the oldest ______. A. plant B. plants C. plant's D. a plant 【提升题（选择题）】 ▷（ ）1. The blue whale is one of the ______ animals in the world. A. large B. larger C. largest D. most large ▷（ ）2. Bees are one of the ______ examples of connection between plants and animals. A. good B. better C. best D. well ▷（ ）3. The redwood is one of the ______ trees in the forest. A. tall B. taller C. tallest D. most tall 【拓展题（选择题）】 ★（ ）1. Which of the following is WRONG? A. Bamboo is one of the most useful plants. B. Ginkgo is one of the oldest tree. C. The bee is one of the best examples. D. Moss is one of the oldest plants. ★（ ）2. The lotus is one of the ______ flowers in Lily's garden. A. beautiful B. more beautiful C. most beautiful D. beautifullest ★（ ）3. Pandas are one of the ______ animals that people love. A. Cute B. cuter C. cutest D. most cute 考点五：最高级的范围表达 in / of / among 的辨析（in+地点/范围；of+同类群体；among+三者及以上之中） 【基础题（选择题）】 ◇（ ）1. The blue whale is the largest animal ______ the world. A. in B. of C. among D. on ◇（ ）2. He is the tallest student ______ his class. A. in B. of C. among D. at ◇（ ）3. The cheetah runs fastest ______ all land animals. A. in B. of C. among D. at 【提升题（选择题）】 ▷（ ）1. The ginkgo is one of the most common trees ______ China. A. In B. of C. among D. on ▷（ ）2. ______ our school, Chen Wei is the tallest student. A. In B. Of C. Among D. On ▷（ ）3. The lotus is the most beautiful flower ______ the three. A. in B. of C. among D. on 【拓展题（选择题）】 ★（ ）1. — Where does the blue whale live? — It is the largest animal ______ the ocean. A. in B. of C. among D. on ★（ ）2. ______ the redwood, the ginkgo and the rose, the redwood is the tallest. A. In B. Of C. Among D. On ★（ ）3. The bee works the hardest ______ all the bees in the honeycomb. A. in B. of C. among D. on 考点六：选择疑问句中的最高级（Which/Who + be/动词 + the + 最高级, A, B or C?） 【基础题（选择题）】 ◇（ ）1. — ______ is the largest, the blue whale, the African elephant or the redwood? — The blue whale. A. Which B. What C. Who D. Whose ◇（ ）2. — ______ animal runs the fastest, the cheetah, the horse or the deer? — The cheetah. A. Which B. What C. Who D. Whose ◇（ ）3. — ______ is the most beautiful, the rose, the peony or the lotus? — The lotus. A. Which B. What C. Who D. Whose 【提升题（选择题）】 ▷（ ）1. — ______ jumps the highest, the lion, the monkey or the tree frog? — The tree frog. A. Which B. What C. Who D. Whose ▷（ ）2. — ______ is the tallest, Tom, Kate or Lily? — Lily. A. Which B. What C. Who D. Whose ▷（ ）3. — ______ city do you like best, Qingdao, Wuhan or Xiamen? — Xiamen. A. Which B. What C. Who D. Whose 【拓展题（选择题）】 ★（ ）1. — ______ do you think is the most useful plant, bamboo, moss or the rose? — Bamboo. A. Which B. What C. Who D. Whose ★（ ）2. — ______ is the smallest, the ant, the bee or the butterfly? — The ant. A. Which B. What C. Who D. Whose ★（ ）3. — ______ sings the best, Olivia, Jam or Bella? — Bella. A. Which B. What C. Who D. Whose 考点七：between 与 among 的辨析（两者用 between...and；三者及以上用 among） 【基础题（选择题）】 ◇（ ）1. The gap ______ the two trees is big. A. between B. among C. in D. of ◇（ ）2. The village is located ______ the mountains. A. between B. among C. in D. of ◇（ ）3. The book is ______ the desk and the chair. A. between B. among C. in D. of 【提升题（选择题）】 ▷（ ）1. ______ all the students, Chen Wei is the tallest. A. Between B. Among C. In D. Of ▷（ ）2. The difference ______ the rose and the lotus is easy to see. A. between B. among C. in D. of ▷（ ）3. The panda lives ______ the bamboo and the mountains of China. A. between B. among C. in D. of 【拓展题（选择题）】 ★（ ）1. The bee flies ______ the plants to take pollen. A. between B. among C. in D. of ★（ ）2. ______ the three animals, the frog is the smallest. A. Between B. Among C. In D. Of ★（ ）3. The bridge is ______ the two sides of the river. A. between B. among C. in D. of 考点八：the number of 与 a number of 的辨析（the number of + 复数名词 + 谓语单数；a number of + 复数名词 + 谓语复数） 【基础题（选择题）】 ◇（ ）1. The number of the students in our class ______ 50. A. Is B. are C. am D. be ◇（ ）2. A number of students ______ from Jinan. A. is B. are C. am D. be ◇（ ）3. The number of bees in the honeycomb ______ dropping. A. is B. are C. am D. be 【提升题（选择题）】 ▷（ ）1. The number of the redwoods in the forest ______ small. A. is B. are C. am D. be ▷（ ）2. A number of wild animals ______ in danger now. A. is B. are C. am D. be ▷（ ）3. The number of ginkgo trees in the park ______ large. A. is B. are C. am D. be 【拓展题（选择题）】 ★（ ）1. ______ the bees in the hive is about one thousand, and ______ them are working. A. The number of; a number of B. A number of; the number of C. The number of; the number of D. A number of; a number of ★（ ）2. The number of pandas in China ______ not large, but a number of people ______ to protect them. A. is; is B. are; are C. is; are D. are; is ★（ ）3. A number of flowers ______ in the garden, and the number of the butterflies ______ ten. A. is; is B. are; are C. are; is D. is; are 考点九：use 相关句型辨析（use sth. to do sth. / be used to do sth. / be used for doing sth.） 【基础题（选择题）】 ◇（ ）1. People can use bamboo ______ houses. A. build B. to build C. building D. builds ◇（ ）2. Bamboo is used to ______ tools and instruments. A. make B. to make C. making D. makes ◇（ ）3. Wood was used for ______ houses in the past. A. build B. to build C. building D. builds 【提升题（选择题）】 ▷（ ）1. We use pens ______. A. Write B. to write C. writing D. writes ▷（ ）2. Brooms are used to ______ the floor. A. sweep B. to sweep C. sweeping D. sweeps ▷（ ）3. Paper is used for ______. A. Write B. to write C. writing D. writes 【拓展题（选择题）】 ★（ ）1. Farmers use bamboo ______ tools on the farm. A. make B. to make C. making D. makes ★（ ）2. In the old days, stones were used to ______ houses. A. build B. to build C. building D. builds ★（ ）3. Moss can be used for ______ the soil wet. A. keep B. to keep C. keeping D. keeps 考点十：seem 的用法（seem (to be) + 形/名；seem to do；It seems that...；seem like + 名词） 【基础题（选择题）】 ◇（ ）1. Bamboo ______ to be a very popular plant in China. A. seem B. seems C. seeming D. seemed ◇（ ）2. The bee ______ to work hard. A. seem B. seems C. seeming D. seemed ◇（ ）3. It ______ that pandas love bamboo. A. seem B. seems C. seeming D. seemed 【提升题（选择题）】 ▷（ ）1. The ginkgo ______ a symbol of hope and long life. A. seem B. seems C. seeming D. seemed ▷（ ）2. They ______ to play an important role in the ecosystem. A. seem B. seems C. seeming D. seemed ▷（ ）3. This problem ______ like a big challenge. A. seem B. seems C. seeming D. seemed 【拓展题（选择题）】 ★（ ）1. The blue whale ______ the largest animal in the world. A. seem B. seems C. seeming D. seemed ★（ ）2. ______ that the number of bees is dropping. A. It seem B. It seems C. They seem D. They seems ★（ ）3. Olivia ______ to be interested in the redwood. A. Seem B. seems C. Seeming D. seemed 详细参考解析 【考点01】 基础题 1. 答案：C。解析：redwood（红杉）为单元词汇；tall 是单音节形容词，最高级直接加 -est 变为 tallest。 2. 答案：C。解析：cheetah（猎豹）、land 均为单元词汇；fast 单音节，最高级 fastest。 3. 答案：C。解析：blue whale（蓝鲸）为单元词汇；big 属“重读闭音节、单辅音结尾”，需双写 g 再加 -est → biggest。 提升题 1. 答案：C。解析：elephant bird、on earth 为单元语境；heavy 以“辅音+y”结尾，变 y 为 i 再加 -est → heaviest。 2. 答案：C。解析：peony（牡丹）、flower 为单元词汇；large 以不发音的 e 结尾，最高级加 -st → largest。 3. 答案：C。解析：moss（苔藓）为单元词汇；small 单音节，最高级 smallest。 拓展题 1. 答案：C。解析：选择疑问句中的最高级，三者比较用 tallest；redwood/ginkgo/rose 均为单元植物词汇。 2. 答案：C。解析：frog（青蛙）、cheetah 为单元词汇；两者都用最高级 smallest、fastest，与“三者之中”的语境一致。 3. 答案：B。解析：lotus（莲花）、flower 为单元词汇；beautiful、colourful 为多音节形容词，最高级在词前加 most。 【考点02】 基础题 1. 答案：C。解析：blue whale 为单元词汇；good 的最高级是不规则变化 best。 2. 答案：D。解析：Chen Wei（人名）；well 修饰动词 sing，其最高级为不规则 best。 3. 答案：C。解析：bamboo（竹子）为单元词汇；many/much 的最高级为不规则 most。 提升题 1. 答案：C。解析：butterfly（蝴蝶）为单元词汇；far 的最高级为不规则 farthest（也可用 furthest）。 2. 答案：C。解析：bee（蜜蜂）为单元词汇；bad 的最高级为不规则 worst。 3. 答案：C。解析：ginkgo（银杏）为单元词汇；water 不可数，little 的最高级为不规则 least。 拓展题 1. 答案：C。解析：bamboo 为单元词汇；fast 最高级 fastest，many/much 最高级 most，均为不规则变化。 2. 答案：C。解析：moss、sunlight 为单元语境；sunlight 不可数，little 最高级 least。 3. 答案：C。解析：bee、the number of 为单元短语；bad 最高级 worst，修饰名词 news。 【考点03】 基础题 1. 答案：C。解析：形容词最高级 largest/heaviest 前必须加 the。 2. 答案：B。解析：最高级前有物主代词 my 时，不再加 the，应为 my best book。 3. 答案：C。解析：oldest 是形容词最高级，前必须加 the。 提升题 1. 答案：C。解析：tallest 为形容词最高级，前加 the。 2. 答案：B。解析：最高级前有物主代词 our，不加 the，应为 our biggest wish。 3. 答案：B。解析：最高级 biggest 前有物主代词 our，不加 the，应为 Our biggest dream。 拓展题 1. 答案：D。解析：形容词最高级前必须加 the，两个空都应填 the most beautiful。 2. 答案：B。解析：最高级前有物主代词 our，不加 the；happy 最高级 happiest。 3. 答案：C。解析：“the + 序数词 + 最高级”结构中，the 仍须保留，即 the second longest。 【考点04】 基础题 1. 答案：A。解析：句型为“one of the + 最高级 + 复数名词”，popular 多音节最高级为 most popular，subjects 用复数。 2. 答案：B。解析：“one of the + 最高级 + 复数名词”，tree 应用复数 trees。 3. 答案：B。解析：moss（苔藓）为单元词汇；one of 后接复数名词 plants。 提升题 1. 答案：C。解析：blue whale 为单元词汇；one of the + 最高级(largest) + 复数 animals。 2. 答案：C。解析：bee（蜜蜂）为单元词汇；good 最高级 best（不规则），examples 用复数。 3. 答案：C。解析：redwood 为单元词汇；tall 最高级 tallest，trees 用复数。 拓展题 1. 答案：B。解析：B 项错误，one of 后必须用复数名词 trees，不能写 tree。 2. 答案：C。解析：lotus（莲花）为单元词汇；beautiful 多音节，最高级 most beautiful，flowers 用复数。 3. 答案：C。解析：panda（熊猫，单元语境）cute 以 e 结尾，最高级 cutest（加 -st）。 【考点05】 基础题 1. 答案：A。解析：“in + 范围（地点）”表示在某一范围内，the world 用 in the world。 2. 答案：A。解析：his class 是一个范围/集体，用 in his class。 3. 答案：C。解析：among 用于“在三者或三者以上之中”，all land animals 用 among。 提升题 1. 答案：A。解析：China 是一个地点范围，用 in China。 2. 答案：A。解析：in + 范围/地点表示“在……范围内”，in our school 用 in；of/among 后通常接群体成员而非机构名。 3. 答案：C。解析：the three（三者）之中用 among。 拓展题 1. 答案：A。解析：the ocean（海洋）为地点范围，用 in the ocean。 2. 答案：C。解析：三者（redwood, ginkgo, rose）之中用 among。 3. 答案：C。解析：all the bees（三者及以上）之中用 among。 【考点06】 基础题 1. 答案：A。解析：询问“哪一个最大”用 Which，后接 or 连接的选择项。 2. 答案：A。解析：询问哪一个动物跑得最快，用 Which animal。 3. 答案：A。解析：三者中选择“哪一个最美丽”，用 Which。 提升题 1. 答案：A。解析：询问哪一个跳得最高，Which + 动词最高级 + A, B or C。 2. 答案：C。解析：询问“谁最高”（人），用 Who。 3. 答案：A。解析：询问“哪个城市”，用 Which city，后接 or 选择项。 拓展题 1. 答案：A。解析：询问“哪一个是最有用的植物”，用 Which，后接 or 选择。 2. 答案：A。解析：三者中选择最小的动物，用 Which。 3. 答案：C。解析：询问“谁唱得最好”（人），用 Who。 【考点07】 基础题 1. 答案：A。解析：两者（the two trees）之间用 between。 2. 答案：B。解析：群山之中（三者及以上）用 among。 3. 答案：A。解析：the desk and the chair 两者之间，用 between...and。 提升题 1. 答案：B。解析：all the students 三者及以上之中，用 among。 2. 答案：A。解析：the rose and the lotus 两者之间的差异，用 between。 3. 答案：A。解析：the bamboo and the mountains 两者之间，用 between。 拓展题 1. 答案：B。解析：花丛/植株之中（多株，三者及以上）用 among。 2. 答案：B。解析：the three animals 三者，用 among。 3. 答案：A。解析：the two sides 两岸之间，用 between。 【考点08】 基础题 1. 答案：A。解析：the number of 意为“……的数量”，谓语用单数 is。 2. 答案：B。解析：a number of 意为“许多”，后接复数名词，谓语用复数 are。 3. 答案：A。解析：the number of bees 意为“蜜蜂的数量”，谓语用单数 is（is dropping 现在进行时）。 提升题 1. 答案：A。解析：the number of 表数量，谓语单数 is。 2. 答案：B。解析：a number of + 复数名词，谓语复数 are。 3. 答案：A。解析：the number of 表数量，谓语单数 is。 拓展题 1. 答案：A。解析：第一空“蜜蜂的数量”用 the number of，谓语 is；第二空“许多蜜蜂”用 a number of，谓语 are。 2. 答案：C。解析：the number of 谓语单数 is；a number of 谓语复数 are。 3. 答案：C。解析：a number of flowers 谓语复数 are；the number of the butterflies 谓语单数 is。 【考点09】 基础题 1. 答案：B。解析：use sth. to do sth. 意为“用某物做某事”，用 to build。 2. 答案：A。解析：be used to do sth. 意为“被用来做某事”，to 后接动词原形 make。 3. 答案：C。解析：be used for doing sth. 意为“被用来做某事”，for 后接 building。 提升题 1. 答案：B。解析：use sth. to do sth.，用 to write。 2. 答案：A。解析：be used to do sth.，to 后接原形 sweep。 3. 答案：C。解析：be used for doing sth.，for 后接 writing。 拓展题 1. 答案：B。解析：use sth. to do sth.，用 to make。 2. 答案：A。解析：be used to do sth.，to 后接原形 build。 3. 答案：C。解析：be used for doing sth.，for 后接 keeping。 【考点10】 基础题 1. 答案：B。解析：主语 bamboo 单数，seem 用第三人称单数 seems；seem (to be) + 名词/形容词。 2. 答案：B。解析：the bee 单数，seems to do sth.（seem to work）。 3. 答案：B。解析：It seems that... 固定句型，it 后用 seems。 提升题 1. 答案：B。解析：the ginkgo 单数，seem (to be) + 名词 a symbol of...，用 seems。 2. 答案：A。解析：主语 They 复数，seem 用原形；seem to do sth.。 3. 答案：B。解析：this problem 单数，seem like + 名词，用 seems。 拓展题 1. 答案：B。解析：the blue whale 单数，seem (to be) + 名词，用 seems。 2. 答案：B。解析：It seems that... 固定句型，用 It seems。 3. 答案：B。解析：Olivia 单数人名，seem (to be) + 形容词 interested，用 seems。 学科网（北京）股份有限公司 $