Unit 9 Power Of Nature 单元语法(合成词和副词的比较级最高级)-2025-2026学年八年级英语下册单元语法精讲精练(新教材仁爱科普版)

2026-02-01
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学段 初中
学科 英语
教材版本 初中英语仁爱科普版八年级下册
年级 八年级
章节 Grammar in use
类型 题集-专项训练
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使用场景 同步教学-单元练习
学年 2026-2027
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Unit 9 Power Of Nature 合成词和副词的比较级最高级 副词的比较级与最高级 用法 意义 原级 as + 原级 + as 表示“……和……一样” Tom runs as fast as Jerry. not as/so + 原级 + as 表示“……不如…… ” I can't swim as/so well as my brother. 比较级二者之间 比较级 + than 表示“……比……更…… ” Lucy jumps higher than Jane. 比较级 + and + 比较级 表示“越来越…… ” It rains more and more heavily. the + 比较级,the + 比较级 表示“越……,越…… ” The harder you work, the more you’ll get. 最高级三者及以 上 the +最高级(+名词)+ of/in (副词最高级前的定冠词 the 常省略) 表示某一范围内“最……的 ” Mary sings (the) best in her class. 1.规则变化 规则说明 1. 单音节副词(如 fast、hard):直接加 -er(比较级)、-est(最高级) 2. 以-ly 结尾的副词(如 carefully、slowly):加 more(比较级)、most(最高级) 3. 部分双音节副词(如 early):可加 -er/-est,也可加 more/most(前者更常用) 常见词汇 1. fast → faster → fastest 2. carefully → more carefully → most carefully 3. early → earlier→ earliest 典型例句 1. He runs faster than his brother.(他比他弟弟跑得快) 2. She speaks most carefully in our class.(她在我们班说得最仔细) 3. They arrived earlier than us.(他们比我们到得早) 注意事项 1. 双音节副词优先用 “加 -er/-est” 形式(如 early 不用 more early) 2. 比较级后需接 than,最高级前需加 the,且常搭配 “in/of + 范围”(如 in the team、of all students)。 2.不规则变化 规则说明 无固定规则,需单独记忆,常见词多为基础副词。 常见词汇 1. well → better → best 2. badly → worse → worst 3. much → more → most 4. little → less → least 典型例句 1. This movie is better than that one.(这部电影比那部好) 2. He did worst in the English exam.(他英语考得最差) 3. She eats less meat than before.(她比以前吃的肉少了) 注意事项 1. 不规则副词的比较级 / 最高级常与对应形容词同形(如 good/well 的比较级均为 better) 2. 避免混淆:badly(副词)的比较级是 worse,而非 badder。 合成词 构成方式 英文例子 中文意思 用法要点 名词 + 名词 classroom 教室 直接组合,表事物 / 场所,复数多在词尾加 s football 足球 schoolbag 书包 toothbrush 牙刷 bookstore 书店 weekend 周末 形容词 + 名词 blackboard 黑板 形容词表特征,名词表事物 greenhouse 温室 hotdog 热狗 动词 + 名词 playground 操场 动作 + 地点 / 对象,表用途 washroom 洗手间 名词 + 动词 sunset 日落 名词 + 动作,表自然 / 时间现象 sunrise 日出 动词 + 副词 breakdown 故障;崩溃 多为抽象名词 分开式(两个词) post office 邮局 整体看作一个名词,复数变化看核心词 bus stop 公交站 一、单项选择(本大题共30小题,每小题2分,共60分) 1.Which of the following words is formed in the same way as “classroom”? A.visitor B.meaningful C.raincoat 2.Which word is formed in the same way as “newspaper”? A.sportsman B.unhappy C.agreement 3.Which of the following words is formed in the same way as “handbag”? A.celebration B.carelessness C.schoolwork D.unlucky 4.The word “housework” is a compound word. Which of the following is similar? A.instruction B.uncertain C.chairperson D.cheerful 5.—Which of the following words is NOT a compound word? —________. A.Grandson B.Careless C.Railway D.Rainstorm 6.Which of the following words is not a compound word? A.hard-working B.outbreak C.watermelon D.illness 7.Background is a compound word. Which of the following words is formed in the same way? A.carelessness B.agreement C.discovery D.wartime 8.Which of the following words is formed the same way as the word “roommate”? A.carelessness B.Chinese C.homesick D.achievement 9.Which of the following words is formed the same way as “toothache”? A.pollution B.unimportant C.careless D.wildlife 10.Which of the following is also a compound word like “homework”? A.meaning B.incorrect C.bookshop D.direction 11.Neo, can you speak a little ________? I can hardly hear you. A.loud B.louder C.quietly D.more quietly 12.—How can I improve my English listening ability quickly? —Practice more. ________ you listen, ________ your listening skills will be. A.The more; the better B.More; better C.The more; better D.More; the better 13.Good luck belongs to hard-working people. ________ you work, the luckier you will be. A.The harder B.Harder C.The hard 14.—Your handwriting is beautiful. —Thank you, I write ________ than before. A.more useful B.most usefully C.more carefully D.most carefully 15.I learn ________ than others, so I need to start ________. A.slower; more early B.more slowly; more early C.slower; earlier D.more slowly; earlier 16.—Which do you like ________, running or swimming? —Running. A.well B.better C.best D.the best 17.—I’m worried about the basketball game. —Just remember: ________ you practice, ________ progress you’ll make. A.The less; the less B.The more; the greater C.The fewer; the smaller D.The more; the less 18.Compared with Huck, Tom behaves (表现) ________. A.actively B.more actively C.most actively 19.Tom runs ________ than his classmate Jack. He won the race yesterday. A.fast B.faster C.fastest D.the fastest 20.She speaks English ________ than any other student in her class. A.more fluently B.most fluently C.fluently D.fluent 21.The saying “Actions speak ________ than words.” means that actions are more important than words. A.louder B.loudly C.loud D.loudest 22.When you ask for help in a foreign country, you can ask _________ by using “could” instead of “can”. A.politer B.politest C.more politely D.most politely 23.Emma always gets up ________ than her sister Ella, so she never misses the early bus. A.early B.earlier C.the earliest 24.Who sings ________, Jerry or Lucy? They are both pop singers. A.beautiful B.more beautiful C.beautifully D.more beautifully 25.She shopped ________ than her brother, so she saved more money. A.more directly B.more wisely C.the most directly D.the most wisely 26.________ you stay in China, ________ you’ll understand and love this country. A.Longer; better B.The longer; the better C.The long; the well D.The longer; the worse 27.Of all the students in his class, Wang Lin writes ________. A.most carefully B.most careful C.more carefully D.more careful 28.Frank works ______ in our class, so he always comes first in different exams. A.harder B.hardest C.less hard D.least hard 29.—Which season do you like ________, spring, summer, autumn or winter? —Autumn. A.well B.better C.best D.good 30.English is one of ________ used languages in the world. A.widely B.more widely C.the most widely D.wider 二、单词拼写(本大题共10小题,每小题2分,共20分) 31.Of all the students, Tom did (bad) in the exam this time. 32.Tom has a good voice and he can sing the (loud) in his class. 33.Who gets up (early) in your family? 34.Our city is developing (quickly) than before. 35.The bird flew (high) than the kite. 36.Frank checks his homework (patient) than others so as to make fewer mistakes. 37.He runs (slow) than Ben. 38.The study shows that our brain works (active) at night than it does in the daytime because it needs to get some rest. 39.Bob answered the question (clearly) than Jim did in class. 40.When I was of your age, I knew much (little) than you. 三、翻译(本大题共20分) 完成下列表格 noun + noun noun + verb verb + noun adjective + noun 雷暴雨: 41 地震: 42 护照: 43 白板: 44 团队工作: 45 瀑布: 46 操场: 47 微软: 48 雪球: 49 日出: 50 汽车道: 51 绅士: 52 试卷第1页,共3页 试卷第1页,共3页 学科网(北京)股份有限公司 $ Unit 9 Power Of Nature 合成词和副词的比较级最高级 副词的比较级与最高级 用法 意义 原级 as + 原级 + as 表示“……和……一样” Tom runs as fast as Jerry. not as/so + 原级 + as 表示“……不如…… ” I can't swim as/so well as my brother. 比较级二者之间 比较级 + than 表示“……比……更…… ” Lucy jumps higher than Jane. 比较级 + and + 比较级 表示“越来越…… ” It rains more and more heavily. the + 比较级,the + 比较级 表示“越……,越…… ” The harder you work, the more you’ll get. 最高级三者及以 上 the +最高级(+名词)+ of/in (副词最高级前的定冠词 the 常省略) 表示某一范围内“最……的 ” Mary sings (the) best in her class. 1.规则变化 规则说明 1. 单音节副词(如 fast、hard):直接加 -er(比较级)、-est(最高级) 2. 以-ly 结尾的副词(如 carefully、slowly):加 more(比较级)、most(最高级) 3. 部分双音节副词(如 early):可加 -er/-est,也可加 more/most(前者更常用) 常见词汇 1. fast → faster → fastest 2. carefully → more carefully → most carefully 3. early → earlier→ earliest 典型例句 1. He runs faster than his brother.(他比他弟弟跑得快) 2. She speaks most carefully in our class.(她在我们班说得最仔细) 3. They arrived earlier than us.(他们比我们到得早) 注意事项 1. 双音节副词优先用 “加 -er/-est” 形式(如 early 不用 more early) 2. 比较级后需接 than,最高级前需加 the,且常搭配 “in/of + 范围”(如 in the team、of all students)。 2.不规则变化 规则说明 无固定规则,需单独记忆,常见词多为基础副词。 常见词汇 1. well → better → best 2. badly → worse → worst 3. much → more → most 4. little → less → least 典型例句 1. This movie is better than that one.(这部电影比那部好) 2. He did worst in the English exam.(他英语考得最差) 3. She eats less meat than before.(她比以前吃的肉少了) 注意事项 1. 不规则副词的比较级 / 最高级常与对应形容词同形(如 good/well 的比较级均为 better) 2. 避免混淆:badly(副词)的比较级是 worse,而非 badder。 合成词 构成方式 英文例子 中文意思 用法要点 名词 + 名词 classroom 教室 直接组合,表事物 / 场所,复数多在词尾加 s football 足球 schoolbag 书包 toothbrush 牙刷 bookstore 书店 weekend 周末 形容词 + 名词 blackboard 黑板 形容词表特征,名词表事物 greenhouse 温室 hotdog 热狗 动词 + 名词 playground 操场 动作 + 地点 / 对象,表用途 washroom 洗手间 名词 + 动词 sunset 日落 名词 + 动作,表自然 / 时间现象 sunrise 日出 动词 + 副词 breakdown 故障;崩溃 多为抽象名词 分开式(两个词) post office 邮局 整体看作一个名词,复数变化看核心词 bus stop 公交站 一、单项选择(本大题共30小题,每小题2分,共60分) 1.Which of the following words is formed in the same way as “classroom”? A.visitor B.meaningful C.raincoat 【答案】C 【详解】句意:下面哪个单词的构成方式与“classroom”相同? 考查构词法。visitor游客;meaningful有意义的;raincoat雨衣。根据题干可知,“classroom”是由“class”和“room”两个词组合而成的复合词。选选项Craincoat“雨衣”是由“rain”和“coat”两个词组合而成的复合词。因此,“raincoat”的构成方式与“classroom”相同,都是复合词。故选C。 2.Which word is formed in the same way as “newspaper”? A.sportsman B.unhappy C.agreement 【答案】A 【详解】句意:哪个单词与“newspaper”的构成方式相同? 考查构词法。sportsman运动员,是由sports和man构成;unhappy不开心的,是由happy加否定前缀构成;agreement协议,是由agree加名词后缀构成。题干中的“newspaper”是由news和paper构成。所以sportsman和newspaper构成方式相同。故选A。 3.Which of the following words is formed in the same way as “handbag”? A.celebration B.carelessness C.schoolwork D.unlucky 【答案】C 【详解】句意:下列单词中有哪个单词与“handbag”的构词方式相同? 考查构词法。celebration庆祝,是由词根celebrate去e加后缀-ion构成的派生词;carelessness粗心,是由词根care加后缀-less和-ness构成的派生词;schoolwork课业,是由两个独立名词school和work组合而成的复合名词;unlucky不幸的,是由前缀un-加词根lucky构成的派生词。而handbag手提包,是由两个名词hand和bag组合而成的复合名词。因此,schoolwork的复合构词方式与handbag相同。故选C。 4.The word “housework” is a compound word. Which of the following is similar? A.instruction B.uncertain C.chairperson D.cheerful 【答案】C 【详解】句意:单词“housework”是一个复合词。以下哪个选项是类似的? 考查构词法。instruction指导,指示,由词根“instruct”加后缀“-ion”构成的名词;uncertain不确定的,由前缀“un-”加词根“certain”构成的形容词;chairperson主席,由“chair”和“person”两个独立单词组合而成,是复合词;cheerful兴高采烈的,由词根“cheer”加后缀“-ful”构成的形容词。“housework”由“house”和“work”两个单词组成,“chairperson”与其构词方式相同。故选C。 5.—Which of the following words is NOT a compound word? —________. A.Grandson B.Careless C.Railway D.Rainstorm 【答案】B 【详解】句意:以下哪个单词不是复合词? 考查复合词辨析。Grandson孙子;Careless粗心的;Railway铁路;Rainstorm暴风雨。 复合词是由两个或多个单词组成的新单词。“Grandson”由“grand”和“son”组成;“Railway”由“rail”和“way”组成;“Rainstorm”由“rain”和“storm”组成;而“Careless”是由“care”加后缀“-less”构成的派生词,不是复合词。故选B。 6.Which of the following words is not a compound word? A.hard-working B.outbreak C.watermelon D.illness 【答案】D 【详解】句意:下列哪个单词不是复合词? 考查复合词。“hard-working”是“hard”和“working”组成的复合词;“outbreak”是“out”和“break”组成的复合词;“watermelon”是“water”和“melon”组成的复合词;“illness”是由“ill”加后缀“ness”构成的派生词,不是复合词。故选D。 7.Background is a compound word. Which of the following words is formed in the same way? A.carelessness B.agreement C.discovery D.wartime 【答案】D 【详解】句意:Background是一个合成词。以下哪个词是以相同的方式构成的? 考查构词法。carelessness是从形容词careless加上后缀-ness形成的名词,是派生词;agreement是从动词agree加上后缀-ment形成的名词,是派生词;discovery是从动词discover加上后缀-y形成的名词,是派生词;wartime是由war和time组合而成的,是合成词。故选D。 8.Which of the following words is formed the same way as the word “roommate”? A.carelessness B.Chinese C.homesick D.achievement 【答案】C 【详解】句意:下列哪个词的构成方式与“室友”相同? 考查构词法。roommate中的room是名词“房间”,mate是名词“伙伴”。结合选项,homesick中的home是名词“家”,sick是形容词“生病的”,与roommate的构成方式相同,都是由两个单词构成一个单词。故选C。 9.Which of the following words is formed the same way as “toothache”? A.pollution B.unimportant C.careless D.wildlife 【答案】D 【详解】句意:下面哪个单词和“toothache”的构词方式相同? 考查构词法。toothache“牙疼”,是由名词tooth和名词ache构成,是合成词。pollution“污染”这个词是由动词+名词后缀-tion构成,是派生词;unimportant“不重要的”,是由否定前缀un-和important构成,是派生词;careless“粗心的”,是由care和形容词后缀-less构成,是派生词;wildlife“野生动植物”,是由名词wild和名词life构成,是合成词。故选D。 10.Which of the following is also a compound word like “homework”? A.meaning B.incorrect C.bookshop D.direction 【答案】C 【详解】句意:下面哪个也是像“homework”这样的复合词? 考查复合词。homework可以拆分为home+work,是复合词,bookshop可以拆分为book+shop与之相符,故选C。 11.Neo, can you speak a little ________? I can hardly hear you. A.loud B.louder C.quietly D.more quietly 【答案】B 【详解】句意:尼奥,你能说得大声一点吗?我几乎听不见你说话。 考查副词比较级。loud大声地,原级;louder更大声地,比较级;quietly安静地,原级;more quietly更安静地,比较级。根据“I can hardly hear you.”可知,此处是请求对方说得更大声,“a little”修饰比较级,表示程度,所以用“loud”的比较级“louder”。故选B。 12.—How can I improve my English listening ability quickly? —Practice more. ________ you listen, ________ your listening skills will be. A.The more; the better B.More; better C.The more; better D.More; the better 【答案】A 【详解】句意:——我怎样才能快速提高英语听力能力?——多练习。你听得越多,你的听力技能就会越好。 考查比较级。“the+比较级,the+比较级”固定句型,表示“越……,越……”。前后两部分都需用“the+比较级”形式,故选A。 13.Good luck belongs to hard-working people. ________ you work, the luckier you will be. A.The harder B.Harder C.The hard 【答案】A 【详解】句意:好运属于努力工作的人。你工作越努力,你就会越幸运。 考查副词比较级的用法。该句使用“the+比较级..., the+比较级...”的固定句型,表示“越……就越……”的递进关系,“hard”的比较级为“harder”,需与定冠词“the”搭配构成完整句型。故选A。 14.—Your handwriting is beautiful. —Thank you, I write ________ than before. A.more useful B.most usefully C.more carefully D.most carefully 【答案】C 【详解】句意:——你的字迹很漂亮。——谢谢,我比以前写得更认真了。 考查副词比较级。more useful更有用的,形容词比较级;most usefully最有用地,副词最高级;more carefully更认真地,副词比较级;most carefully最认真地,副词最高级。根据“than before”可知,此处需用比较级,且修饰动词“write”应用副词。故选C。 15.I learn ________ than others, so I need to start ________. A.slower; more early B.more slowly; more early C.slower; earlier D.more slowly; earlier 【答案】D 【详解】句意:我比别人学得更慢,所以我需要更早开始。 考查副词比较级。slower更慢的,形容词比较级;more slowly更慢地,副词比较级;more early错误表达;earlier更早地,副词比较级。根据“I learn...than others, so I need to start...”可知,第一空修饰动词learn,要用副词比较级more slowly;第二空修饰动词start,early的比较级是earlier。故选D。 16.—Which do you like ________, running or swimming? —Running. A.well B.better C.best D.the best 【答案】B 【详解】句意:——跑步和游泳,你更喜欢哪一个?——跑步。 考查副词比较级。well好;better更好,比较级;best最好,最高级;the best最好,最高级,带定冠词。根据“running or swimming”可知,是在两者之间比较,应用比较级“better”。故选B。 17.—I’m worried about the basketball game. —Just remember: ________ you practice, ________ progress you’ll make. A.The less; the less B.The more; the greater C.The fewer; the smaller D.The more; the less 【答案】B 【详解】句意:——我很担心篮球比赛。——只要记住:你练习得越多,你取得的进步就越大。 考查比较级结构。根据“Just remember”可知,此处表示要记住“练习越多,进步越大”这个道理,用“the+比较级,the+比较级”结构表示。less更少地;more更多地;fewer更少的;greater更大的;smaller更小的。第一空修饰动词practice,应该用副词比较级more;第二空修饰不可数名词progress,应该用形容词比较级greater。故选B。 18.Compared with Huck, Tom behaves (表现) ________. A.actively B.more actively C.most actively 【答案】B 【详解】句意:与哈克相比,汤姆表现得更积极。 考查副词比较级。根据“Compared with Huck”可知,此处是两者比较,应用比较级形式。actively的比较级是more actively。故选B。 19.Tom runs ________ than his classmate Jack. He won the race yesterday. A.fast B.faster C.fastest D.the fastest 【答案】B 【详解】句意:汤姆比他的同学杰克跑得快。他昨天赢得了比赛。 考查形容词比较级。fast快,原级;faster更快,比较级;fastest最快,最高级;the fastest最快,最高级(带冠词)。根据连词“than”可知,此处需用比较级形式,应选faster。故选B。 20.She speaks English ________ than any other student in her class. A.more fluently B.most fluently C.fluently D.fluent 【答案】A 【详解】句意:她说英语比班上其他学生都更流利。 考查副词比较级。more fluently更流利地,副词比较级;most fluently最流利地,副词最高级;fluently流利地,副词原级; fluent流利的,形容词原级。根据“than”以及句意可知,此处需用比较级形式,且修饰动词“speaks”需用副词,因此排除形容词D选项;C选项为副词原级,无比较含义;B选项为副词最高级,常用于三者或以上比较且无“than”结构,不符合语境。故选A。 21.The saying “Actions speak ________ than words.” means that actions are more important than words. A.louder B.loudly C.loud D.loudest 【答案】A 【详解】句意:俗话说“行动胜于言语”,意思是行动比言语更重要。 考查副词比较级辨析。根据句中的“than”表示比较,需用副词的比较级形式修饰动词“speak”,loud的比较级为louder。故选A。 22.When you ask for help in a foreign country, you can ask _________ by using “could” instead of “can”. A.politer B.politest C.more politely D.most politely 【答案】C 【详解】句意:当你在外国寻求帮助时,使用“could”而不是“can”可以更礼貌地询问。 考查副词比较级。根据“by using ‘could’ instead of ‘can’”可知,此处用比较级,且应用副词politely修饰动词“ask”,其比较级为more politely。故选C。 23.Emma always gets up ________ than her sister Ella, so she never misses the early bus. A.early B.earlier C.the earliest 【答案】B 【详解】句意:——Emma总是比她姐姐Ella起得早,所以她从不错过早班车。 考查副词比较级。early早地;earlier更早地;the earliest最早地。根据句中“than”表示比较,此处需用比较级形式。故选B。 24.Who sings ________, Jerry or Lucy? They are both pop singers. A.beautiful B.more beautiful C.beautifully D.more beautifully 【答案】D 【详解】句意:谁唱得更美妙,杰瑞还是露西?他们都是流行歌手。 考查副词的比较级。beautiful美妙的,形容词;more beautiful更美妙的,形容词的比较级;beautifully美妙地,副词;more beautifully更美妙地,副词的比较级。此处修饰动词sings,用副词,根据“Jerry or Lucy”可知是两人相比较,故用副词的比较级。故选D。 25.She shopped ________ than her brother, so she saved more money. A.more directly B.more wisely C.the most directly D.the most wisely 【答案】B 【详解】句意:她购物比她弟弟更明智,所以她存了更多的钱。 考查副词的比较级。more directly更直接地;more wisely更明智地;the most directly最直接地;the most wisely最明智地。根据“so she saved more money”和“than”可知,她购物的方式是更明智,而不是更直接, 所以应该用more wisely。故选B。 26.________ you stay in China, ________ you’ll understand and love this country. A.Longer; better B.The longer; the better C.The long; the well D.The longer; the worse 【答案】B 【详解】句意:在中国待的时间越长,你就会越理解和爱上这个国家。 考查“the+比较级,the+比较级”句型和词义辨析。better更好,更;well好地;worse更糟。本句是“the+比较级,the+比较级”结构,表示“越……就越……”,结合常识及选项可知,应是待的时间越长,你就会越理解和爱上这个国家,分别用the longer和the better,故选B。 27.Of all the students in his class, Wang Lin writes ________. A.most carefully B.most careful C.more carefully D.more careful 【答案】A 【详解】句意:在他班的所有学生中,王林写得最仔细。 考查副词最高级。most carefully最仔细地(副词最高级);most careful最仔细的(形容词最高级);more carefully更仔细地(副词比较级);more careful更仔细的(形容词比较级)。根据“Of all the students in his class”可知,此处是在三者或三者以上进行比较,应使用最高级形式;且“writes”是动词,需用副词修饰,因此应选副词最高级most carefully。故选A。 28.Frank works ______ in our class, so he always comes first in different exams. A.harder B.hardest C.less hard D.least hard 【答案】B 【详解】句意:弗兰克在我们班上学习最努力,所以他在不同的考试中总是名列第一。 考查副词最高级。harder更努力地;hardest最努力地;less hard不那么努力地;least hard最不努力地。根据“in our class”可知,此处是在班级范围内进行比较,应用最高级形式;再结合“always comes first”可知,他学习最努力才能取得好成绩,应用“hardest”。故选B。 29.—Which season do you like ________, spring, summer, autumn or winter? —Autumn. A.well B.better C.best D.good 【答案】C 【详解】句意:——你最喜欢哪个季节,春天、夏天、秋天还是冬天?——秋天。 考查副词最高级。well好地,原级;better更好的,比较级;best最好的,最高级;good好的,形容词原级。根据“spring, summer, autumn or winter”可知,此处是在三个以上的事物中进行选择,应用最高级。like…best意为“最喜欢”。故选C。 30.English is one of ________ used languages in the world. A.widely B.more widely C.the most widely D.wider 【答案】C 【详解】句意:英语是世界上使用最广泛的语言之一。 考查副词的最高级。“one of+最高级+名词”表示“最……的……之一”,此处used是形容词,因此用副词最高级形式,表示“被最广泛使用的”。故选C。 二、单词拼写(本大题共10小题,每小题2分,共20分) 31.Of all the students, Tom did (bad) in the exam this time. 【答案】worst 【详解】句意:在所有学生中,汤姆这次考试考得最差。根据括号内的单词提示及“Of all the students”可知,bad“差的”,形容词,此处需用副词badly修饰动词did,且是在三者及以上范围内进行比较,因此应填badly的副词最高级形式worst“最差的”。故填worst。 32.Tom has a good voice and he can sing the (loud) in his class. 【答案】loudest 【详解】句意:汤姆的嗓音很好,他是班里唱歌声音最大的。根据“he can sing the...in his class.”可知,需用副词的最高级修饰动词sing;loud可作副词,其最高级形式为loudest。故填loudest。 33.Who gets up (early) in your family? 【答案】earliest 【详解】句意:在你家里谁起床最早?early“早”,副词。根据“in your family”可知,在家庭范围内进行比较,须用early最高级形式“earliest”。故填earliest。 34.Our city is developing (quickly) than before. 【答案】more quickly 【详解】句意:我们的城市比以前发展得更快了。quickly意为“快速地”,是副词,用来修饰动词develop;句中的than是比较级的标志,由于quickly是多音节副词,其比较级形式需要在前面加more。故填more quickly。 35.The bird flew (high) than the kite. 【答案】higher 【详解】句意:这只鸟飞得比风筝高。根据“than”可知,此处需填“high”的比较级形式;“high”既可用作形容词,表示“高的”,也可用作副词,表示“高地”;此处修饰动词“flew”,high作副词,其比较级为“higher”,表示“更高地”,符合语境。故填higher。 36.Frank checks his homework (patient) than others so as to make fewer mistakes. 【答案】more patiently 【详解】句意:弗兰克比其他人更耐心地检查他的作业,以便少犯错误。check“检查”是动词,需要用副词修饰,patient的副词形式是patiently;根据“than”可知,要用比较级,patiently的比较级是more patiently,在句中作状语。故填more patiently。 37.He runs (slow) than Ben. 【答案】more slowly 【详解】句意:他跑得比Ben更慢。slow“慢的”,形容词。根据“He runs...than Ben”可知,此处应用副词比较级,即more slowly。故填more slowly。 38.The study shows that our brain works (active) at night than it does in the daytime because it needs to get some rest. 【答案】less actively 【详解】句意:研究表明,我们的大脑在晚上不如白天活跃,因为它需要休息。此处修饰动词works,应用副词;根据“than”以及“because it needs to get some rest.”可知大脑晚上需要休息,所以大脑在晚上没有白天那么活跃,用副词的比较级less actively“不那么活跃”。故填less actively。 39.Bob answered the question (clearly) than Jim did in class. 【答案】more clearly 【详解】句意:在课堂上Bob回答问题比Jim更清晰。clearly清晰地,副词;根据than可知,设空处填写其比较级形式more clearly。故填more clearly。 40.When I was of your age, I knew much (little) than you. 【答案】less 【详解】句意:在我是你这个年纪的时候,我知道的比你少得多。根据“much ... than”可知,空处用比较级,little的比较级是less“更少”。故填less。 三、翻译(本大题共20分) 完成下列表格 noun + noun noun + verb verb + noun adjective + noun 雷暴雨: 41 地震: 42 护照: 43 白板: 44 团队工作: 45 瀑布: 46 操场: 47 微软: 48 雪球: 49 日出: 50 汽车道: 51 绅士: 52 【答案】 41.thunderstorm 42.earthquake 43.passport 44.whiteboard 45.teamwork 46.waterfall 47.playground 48.software 49.snowball 50.sunrise 51.driveway 52.gentleman 【解析】41.thunderstorm“雷暴雨”,名词,由名词thunder和名词storm构成。故填thunderstorm。 42.earthquake“地震”,名词,由名词earth和动词quake构成。故填earthquake。 43.passport“护照”,名词,由动词pass和名词port构成。故填passport。 44.whiteboard“白板”,名词,由形容词white和名词board构成。故填whiteboard。 45.teamwork“团队合作”,名词,由名词team和名词work构成。故填teamwork。 46.waterfall“瀑布”,名词,由名词water和动词quake构成。故填waterfall。 47.playground“操场”,名词,由动词play和名词ground构成。故填playground。 48.software“微软”,名词,由形容词soft和名词ware构成。故填software。 49.snowball“雪球”,名词,由名词snow和名词ball构成。故填snowball。 50.sunrise“日出”,名词,由名词sun和动词rise构成。故填sunrise。 51.driveway“汽车道”,名词,由动词drive和名词way构成。故填driveway。 52.gentleman“绅士”,由形容词gentle和名词man构成。故填gentleman。 试卷第1页,共3页 试卷第1页,共3页 学科网(北京)股份有限公司 $

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Unit 9 Power Of Nature 单元语法(合成词和副词的比较级最高级)-2025-2026学年八年级英语下册单元语法精讲精练(新教材仁爱科普版)
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Unit 9 Power Of Nature 单元语法(合成词和副词的比较级最高级)-2025-2026学年八年级英语下册单元语法精讲精练(新教材仁爱科普版)
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