Unit 2 School life 数量的比较与as…as的用法精讲精练 （含解析）2026-2027 学年译林版（新教材）八年级上册英语

该初中英语导学案聚焦译林版八年级上册Unit 2语法，核心讲解数量比较（more/fewer/less than及最高级the most/fewest/least）和as…as结构。课堂导入通过关联已学比较级知识，构建从两者对比到三者及以上最高级，再到同级对比的学习支架，帮助学生衔接前后语法点。 资料特色在于表格化呈现句型结构、适配名词及例句，高频易错警示聚焦fewer/less混用等关键问题，考点精练涵盖单选与句型转换。这些设计提升学生语言理解与表达能力，通过对比分析培养思维品质，助力掌握科学学习策略，提升学习效率。

答案解析 一、单项选择（20小题） 1. 答案：B。解析：people此处表总人口数量，度量类数字用less than不用fewer than；A.at least至少，语义不符；C.fewer than修饰可数个体，不能搭配数字600；D.more than超过，和small town小镇语义矛盾。 2. 答案：D。解析：as…as中间用原级，suggestions是可数复数，用as many；A.as much修饰不可数名词；B/C as more/as much结构不存在，as后只能加原级。 3. 答案：D。解析：advice为不可数名词，搭配as much；A.as many修饰可数复数；B/C结构错误，as后不能加比较级/最高级。 4. 答案：D。解析：固定同级对比as…as，knowledge不可数，用as much；A/B缺少as无法构成同级句型；C.as many修饰可数名词，不能搭配knowledge。 5. 答案：A。解析：orange juice果汁是不可数名词，用as much；B.as many修饰可数复数；C/D语序错误，正确结构为as much/many +名词+as。 6. 答案：B。解析：句意“别信广告，这本书不如宣传的好”，形容词修饰book用good；A.as good as和……一样好，语义相反；C/D well是副词，不能修饰名词book。 7. 答案：C。解析：Tom比Jack高=Jack不如Tom高，否定同级not as tall as；A.as tall as一样高，语义相反；B肯定句不能用so…as；D结构搭配错误，无not as tall so用法。 8. 答案：B。解析：mistakes是可数复数，than表比较用fewer；A.less修饰不可数名词；C.few原级不能和than连用；D.little修饰不可数、原级。 9. 答案：C。解析：than表比较，books可数复数，我两本比她五本更少，用fewer；A.less修饰不可数；B.better更好，语义无关；D.more更多，和数量事实相反。 10. 答案：D。解析：coffee咖啡不可数，than比较，喝茶比喝咖啡多=喝咖啡更少，用less；A.more更多，语义相反；B.much原级不能配than；C.fewer修饰可数名词。 11. 答案：C。解析：money不可数用less修饰；friends可数复数，but表转折，钱更少但朋友更多用more；A.fewer不能修饰money；B.less不能修饰friends；D.fewer代入第二空语义不通。 12. 答案：A。解析：time时间、work工作均为不可数名词，than用比较级；更少空闲less free time，更多工作more work；B.fewer修饰可数，不能搭配time；C/D least/most是最高级，不能和than连用。 13. 答案：B。解析：books可数复数，as many as；A.as much修饰不可数；C/D as后不能加最高级/比较级。 14. 答案：D。解析：cans易拉罐可数复数，as many cans as；A肯定句不用so many；B.much不能修饰可数cans；C.more搭配错误，正确为more…than而非more…as。 15. 答案：C。解析：固定否定同级not so/as good as，固定搭配介词as；for/at/than均不能用于此结构。 16. 答案：A。解析：money不可数，固定倍数表达twice as much money as；B.many不能修饰money；C/D语序完全错误，标准结构：倍数+as much/many+名词+as。 17. 答案：A。解析：as…as中间用形容词原级，be动词后用形容词careful作表语；B.carefully副词修饰动词；C/D是比较级，as后禁止用比较级。 18. 答案：D。解析：一年里月份三者以上用最高级，days可数复数，the fewest；A.less比较级不能单独使用；B.the least修饰不可数；C.the most最多，答句February二月天数最少，语义相反。 19. 答案：C。解析：穿太多衣服说明天气没有我们想的那么冷，not so cold as；A和我们想的一样冷，矛盾；B/D hot炎热，和多穿衣服语境无关。 20. 答案：A。解析：than any other student用比较级，friends可数复数，友善所以朋友更多，more；B.less修饰不可数；C/D most/least是最高级，不能和than搭配。 二、句型转换（15小题） 1. 答案：isn’t as relaxing as。解析：A is less +原级 + than B = A isn’t as +原级 + as B；主语listening动名词单数，be动词用is，否定isn’t，中间填形容词原级relaxing。 2. 答案：isn’t as。解析：as…as肯定句变否定，be动词后加not，结构变为not as…as；主语Jack三单，is→isn’t，第二空填as。 3. 答案：as fun as。解析：游泳比跑步有趣=跑步不如游泳有趣；否定同级isn’t as +原级fun + as。 4. 答案：as old as。解析：两人都是80岁，年龄同级对比，as +形容词原级old + as。 5. 答案：as tall as。解析：两人身高相同，be动词后用形容词原级tall，构成as tall as。 6. 答案：as; as。解析：less outgoing than = not as outgoing as，固定同义替换，两空依次填as、as。 7. 答案：difficult as。解析：物理比地理难=我认为物理不如地理简单；否定转移句型，as后加形容词原级difficult，第二空as。 8. 答案：isn’t as; as。解析：今天天气比昨天差=今天不如昨天好；主语weather单数，be动词否定isn’t，结构isn’t as good as。 9. 答案：expensive as。解析：白色车更贵=黑色车不如白色车贵；not so +形容词原级expensive + as。 10. 答案：as useful as。解析：英语比日语有用=日语不如英语有用；否定句not as +原级useful + as。 11. 答案：doesn’t; as。解析：实义动词live，主语Li Hong三单，否定助动词doesn’t；否定同级not as happily as。 12. 答案：as; as。解析：两人都有三支笔，可数名词pen，同级数量对比as many…as。 13. 答案：as cheap as。解析：黄外套更便宜=蓝外套不如黄外套便宜；not as +原级cheap + as。 14. 答案：as much。解析：果汁juice不可数，每月喝一样多，as much juice as。 15. 答案：easier than。解析：我认为数学不如英语难=我认为数学比英语简单；less difficult = easier，比较级+than。 学科网（北京）股份有限公司 $译林版(新教材)八年级上册Unit 2 School life语法讲练 数量的比较与as…as的用法 核心语法1:数量的比较 知识点1 核心语法讲解 本单元借助 `more…than`、`fewer…than`、`less…than` 结构对比两者人或事物的数量;三者及以上范围用最高级 `the most`、`the fewest`、`the least`,分别表达 “最多”“(可数)最少”“(不可数)最少”。 比较范围 句型分类 完整句型结构 适配名词 标准例句+中文翻译 两者对比 A比B更多 主语 + 谓语 + more + 名词 + than + B 可数复数 / 不可数名词 He has more books than me. 他的书比我多。 There is more water in the cup. 这个杯子里水更多。 两者对比 A比B更少(可数) 主语 + 谓语 + fewer + 可数复数 + than + B 仅可数复数名词 Tom has fewer friends than Jack. 汤姆的朋友比杰克少。 两者对比 A比B更少(不可数) 主语 + 谓语 + less + 不可数名词 + than + B 仅不可数名词 We drink less coffee than tea. 我们喝咖啡比喝茶少。 三者及以上 ……数量最多 主语 + 谓语 + the most + 名词 可数复数 / 不可数名词 Simon drinks the most milk of us all. 我们所有人里西蒙喝的牛奶最多。 三者及以上 ……数量最少(可数) 主语 + 谓语 + the fewest + 可数复数 仅可数复数名词 She can sing the fewest songs in our class. 我们班她会唱的歌最少。 三者及以上 ……数量最少(不可数) 主语 + 谓语 + the least + 不可数名词 仅不可数名词 He finishes the least work of us three. 我们三人中他完成的工作最少。 知识点2 高频易错警示 1. fewer 与 less 不可混用 - fewer + 可数复数(人数、书本、物品) - less + 不可数名词(时间、水、食物、金钱) 2. 比较对象必须同类,不能跨类别对比 物品只能和物品对比,人只能和人对比;物品对比需使用名词性物主代词(mine/yours/his/hers) His money is more than mine.(mine = my money,钱与钱对比) 3. 最高级定冠词 the 使用规则 ① 修饰名词时,`the most / the fewest / the least` 的 the 不可省略; ② 修饰动词作副词最高级时,the 可省略。 例:The most important thing is safety.(修饰名词,the 必加) He runs (the) fastest in our class.(修饰动词,the 可省) 4. 度量名词固定特例(单选常考) 描述时间、金钱、距离、重量等度量类复数名词,统一用 `less than`,不用 fewer than less than two hours 不到两小时;less than 80 yuan 不足80元 核心语法2:as…as 结构 知识点1 核心语法讲解 `as…as` 用于两者程度同级对比,结构中间只能放形容词/副词原级。 1. `as + 形容词/副词原级 + as`:A 和 B ……一样 2. `not as/so + 形容词/副词原级 + as`:A 不如 B …… 比较结构 中文含义 用法场景 例句+解析 as + 原级 + as 和……一样 形容词/副词原级肯定同级 Mary is as careful as Linda. 解析:两者细心程度一致,中间用原级 careful。 not as/so + 原级 + as 不如…… 形容词/副词原级否定同级 This book is not as interesting as that one. 解析:这本书不如那本有趣。 as many + 可数复数 + as 和……数量一样多 只用于可数名词 I have as many books as you. 解析:修饰可数名词数量同级对比。 as much + 不可数 + as 和……数量一样多 只用于不可数名词 She has as much milk as me. 解析:修饰不可数名词数量同级对比。 知识点2 高频易错警示 1. `as…as` 结构硬性要求:中间只能用原级 as taller as as tall as 2. so 的使用严格限制 - 否定句:not as…as = not so…as(通用) - 肯定句:只能用as…as,禁止用so…as He is so tall as me. He is as tall as me. 3. 否定句同义转换(句型转换必考) 结构:A is not as + 原级 + as B=B is + 比较级 + than A=A is less + 原级 + than B 例:This pen is not as good as that one. = That pen is better than this one. = This pen is less good than that one. 4. 比较对象保持同类 物品不能与人对比,物品对比使用名词性物主代词 Her bag is as heavy as me.(包与人对比) Her bag is as heavy as mine.(mine = my bag,包与包对比) 考点精练 一、单项选择(共20小题) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。 ( )1.My hometown is a small town. It has _ 600 people. A.at least B.less than C.fewer than D.more than ( )2.My best friend gives me _ suggestions as he can when I am facing problems. A.as much B.as more C.as most D.as many ( )3.Lily is a helpful girl. She gives me _ advice as she can whenever I am in trouble. A.as many B.as more C.as most D.as much ( )4.If we study hard, we can get _ knowledge as Leonardo da Vinci did. A.many B.much C.as many D.as much ( )5.The baby drinks _ orange juice as before. A.as much B.as many C.much as D.many as ( )6.Don’t just believe (相信) the advertisement. This kind of book is _ it says. A.as good as B.not so good as C.as well as D.not as well as ( )7.—Tom is taller than his twin brother Jack. —You mean Jack is _ Tom. A.as tall as B.so tall as C.not as tall as D.not as tall so ( )8.David is a good boy. He always makes _ mistakes than others. A.less B.fewer C.few D.little ( )9.She has five books. I have two books. I have _ books than her. A.less B.better C.fewer D.more ( )10.The tea culture in China has a long history. We drink _ coffee than tea. A.more B.much C.fewer D.less ( )11.Nick has_ money than Tony, but he has _ friends in the class. A.fewer; more B.more; less C.less; more D.less; fewer ( )12.Millie has _ free time than Sandy because she has _ work to do than Sandy. A.less; more B.fewer; more C.least; most D.fewest; most ( )13.In order to improve his English, he thinks he should read _ books as he can. A.as much B.as many C.as most D.as more ( )14.The Blacks throw away_ the Browns. A.so many cans as B.as much cans as C.more cans as D.as many cans as ( )15.Li Ming, your handwriting is not so good _ it was last term. Keep practicing! A.for B.at C.as D.than ( )16.Mike always works very hard, so he can earn twice _ mine. A.as much money as B.as many money as C.much as money D.many as money as ( )17.Pauline is as _ as Derek. They often get full marks. A.careful B.carefully C.more careful D.much careful ( )18.—Which month has _ days in a year? —February. A.less B.the least C.the most D.the fewest ( )19.We wear too many clothes. The weather is _ we thought. A.as cold as B.as hot as C.not so cold as D.not so hot as ( )20.Sam is kind to everyone in his class so he has _ friends than any other student. A.more B.less C.most D.least 二、句型转换(共15小题) 按要求完成下列句子,每空一词。 1.Listening to music is less relaxing than reading for me. (改为同义句) Listening to music _ _ _ _ reading for me. 2.Jack is as tall as Tom.(改为否定句) Jack _ _ tall as Tom. 3.Swimming is more fun than running. (改为as...as否定) Running isn’t _ _ _ swimming. 4.My grandma is 80 years old. My grandpa is 80 years old, too. (同义转换) My grandpa is _ _ _ my grandma. 5.Mike is 1.72 metres tall. Bill is 1.72 metres tall too. (合并同义句) Mike is _ _ _ Bill. 6.My cousin is less outgoing than me. (变同义句) My cousin is not _ outgoing _ me. 7.I think physics is more difficult than geography. (改为同义句) I don’t think physics is as _ _ geography. 8.The weather today is worse than yesterday. (改为同义句) The weather today _ _ good _ yesterday. 9.The white car is more expensive than the black one. (保持句意不变) The black car isn’t so _ _ the white one. 10.English is more useful than Japanese. (改为同义句) Japanese is not _ _ _ English. 11.Li Hong lives as happily as before. (变否定句) Li Hong _ live _ happily as before. 12.Tom has three pens. Lily has three pens, too. (合并为一句,保持句意不变) Tom has _ many pens _ Lily. 13.This yellow coat is cheaper than that blue one. (同义句转换) That blue coat isn’t _ _ _ this yellow one. 14.Frank drinks ten cartons of juice every month. So does Mark.(保持句意基本不变) Frank drinks _ _ juice as Mark every month. 15.I don’t think math is as difficult as English. (同义句转换) I think math is _ _ _ English. 学科网(北京)股份有限公司 $