Unit 4 The Wonders of Nature 形容词副词的比较级最高级和大数量的表达（核心语法精练）英语新教材鲁教版（五四学制）八年级上册

**基本信息** 初中英语专项训练，聚焦形容词副词比较级最高级及大数量表达，以“用法-规则-应用”逻辑构建体系，融合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| |----|-----------|----------|----------| |知识回顾|2大知识点+3表格|比较级最高级用法（原级as...as等6类）、变化规则（规则/不规则）、大数量读法（三位数百位加and等）|从概念（用法）到原理（变化规则）再到表达（数量读法），层层递进| |考点夯基|单项选择20题+填空10题+完成句子10题|结合语境辨析比较等级（如the+比较级表两者较...）、不规则变化应用（good→best）|题型对应知识点：选择考用法辨析，填空考词形转换，句子考句型结构| |综合提升|语法选择1篇+短文填空2篇|语篇中综合运用比较级最高级（如one of the+最高级）、大数量表达（如thousands of）|从单句到语篇，实现知识点在语境中的迁移应用|

Unit 4 The Wonders of Nature 核心语法精练（形容词副词的比较级最高级和大数量的表达） 目录 二、考点夯基 3 一、单项选择 3 二、用所给单词的正确形式填空 4 三、完成句子 7 一、语法选择 9 二、短文填空 11 知识点1. 形容词副词原级、比较级和最高级的用法 用法 意义 原级 as + 原级 + as 表示“……和……一样” Lucy is as thin as Lily. not as/so + 原级 + as 表示“……不如…… ” Jerry is not as/ so tall as Tom. 比较级二者之间 比较级 + than 表示“……比……更…… ” I’m older than her. 比较级 + and + 比较级 表示“越来越…… ” The weather is hotter and hotter. the + 比较级，the + 比较级 表示“越……，越…… ” The more, the better. 最高级三者及以上 the +最高级（+名词）+ of/in 表示某一范围内“最……的 ” Alice is the tallest girl in her class. one of the + 最高级+ 复数名词 +of/in 表示某一范围内“最……的……之一 ” China is one of the biggest countries in the world. the + 序数词 + 最高级（+名词）+of/in 表示某一范围内“第几……的 ” The Yellow River is the second longest river in China. 形容词和副词的比较等级变化规则 （1）规则变化 构成方法 原级→比较级→最高级 直接在词尾加-er， -est fast→faster→fastest　　　　　long→longer→longest 以不发音的字母e结尾的加-r， -st large→larger→largest　　　　 nice→nicer→nicest brave→braver→bravest　 late→later→latest　 wide→wider→widest 以“辅音字母＋y”结尾的，先变y为i，再加 -er， -est happy→happier→happiest　　 easy→easier→easiest angry→angrier→angriest　 ugly→uglier→ugliest early→earlier→earliest　 busy→busier→busiest heavy→heavier→heaviest 以重读闭音节结尾且末尾只有一个辅音字母的词，先双写这一辅音字母，再加-er， -est big→bigger→biggest　 fat→fatter→fattest thin→thinner→thinnest wet→wetter→wettest hot→hotter→hottest　 red→redder→reddest fit→fitter→fittest　 glad→gladder→gladdest sad→sadder→saddest 部分双音节和多音节词，在其前加more， most beautiful→more beautiful→most beautiful careful→more careful→most careful （2）不规则变化 原级 比较级 最高级 good, well better best bad, ill worse worst many, much许多的 more most little less least far farther距离远的 farthest距离最远 far further距离更远；程度更胜 furthest距离最远；程度最深 old older/elder oldest/eldest 知识点2. 大数量的读法 ①在读三位数的基数词时，在百位和十位之间（若十位为零，则在百位和个位之间）用and连接。 653 读作：six hundred and fifty-three 101 读作：one hundred and one 309 读作：three hundred and nine ②在读四位数及四位数以上的基数词时，先从右往左，每三位数加一个逗号，用这个方法把数字分成若干段，再一段一段地读。从右往左的第一个逗号前的数字后加thousand,第二个逗号前的数字后加million,第三个逗号前的数字后加billion。 1,023 读作：one thousand and twenty-three 329 读作：twenty-four thousand three hundred and twenty-nine 5,689,008 读作：five million six hundred and eighty-nine thousand and eight 一、单项选择 1．—Who is ________, Lucy or Tina? —Tina. She always makes others laugh. A．funny B．funnier C．funniest D．the funniest 【答案】B 【详解】句意：——谁更有趣，露西还是蒂娜？——蒂娜。她总是让别人笑。 funny有趣的；funnier更有趣的；funniest最有趣的；the funniest最有趣的。根据“Lucy or Tina”可知是两者之间的比较，应填funnier。 2．When you make a mistake, you are ________ to success. So never give up after making mistakes. A．closest B．much closer C．the closest 【答案】B 【详解】句意：当你犯错时，你离成功更近了。所以犯错后永远不要放弃。 根据语境可知，此处隐含了“犯错后”与“犯错前”的比较，表示离成功“更近”，应用比较级closer，且much可修饰比较级表示程度加深。 3．After hearing the good news, Jenny became even ________. A．excited B．more excited C．exciting D．most exciting 【答案】B 【详解】句意：听到这个好消息后，珍妮变得更加兴奋了。 excited感到兴奋的；exciting令人兴奋的。主语是Jenny，指人，应用excited；even修饰比较级，表示“更加”，故用more excited。故选B。 4．Bob is ________ of the two boys. A．tall B．taller C．the taller D．the tallest 【答案】C 【详解】句意：鲍勃是这两个男孩中较高的一个。 tall高的；taller较高的；the taller较高的那个；the tallest最高的。根据“of the two boys”可知是两者之间的比较，应用比较级；当特指两者中“较……的一个”时，比较级前需加定冠词the。 5．Now the after-school service is in proper use, and students are sure to have ________ homework and ________ free time than before. A．less; more B．fewer; less C．less; fewer 【答案】A 【详解】句意：现在课后服务得到了合理利用，学生们的作业肯定比以前更少，空闲时间更多。 less更少，修饰不可数名词；more更多；fewer更少，修饰可数名词复数。“homework”和“free time”是不可数名词，且根据句意，课后服务合理使用，作业应“更少”，用less；空闲时间应“更多”，用more。故填less; more。 6．I think Mount Taishan is not only ________ than the other mountains in Shandong, but also ________ of all. A．higher; the most beautiful B．the highest; more beautiful C．high; the most beautiful D．higher; more beautiful 【答案】A 【详解】句意：我认为泰山不仅比山东的其他山更高，而且也是所有山中最美丽的。 higher更高，the most beautiful最美丽的；the highest最高的；more beautiful更美丽的；high高的。第一空，根据“than”可知，此处应填形容词比较级higher；第二空，根据“of all”可知，此处应填形容词最高级the most beautiful。 7．This experience changed Lily. She became braver and ________. A．confident B．more confident C．most confident 【答案】B 【详解】句意：这次经历改变了莉莉。她变得更勇敢且更自信了。 and连接的是并列成分，braver是比较级，空处也需用比较级形式，confident是多音节形容词，其比较级为more confident。 8．— I don’t like this book. It’s too boring. — Me neither. I think it’s ________ than the one we read last week. A．boring B．more boring C．most boring D．the most boring 【答案】B 【详解】句意：——我不喜欢这本书。它太无聊了。——我也不喜欢。我觉得它比我们上周读的那本更无聊。 boring无聊的；more boring更无聊的；most boring最无聊的；the most boring最无聊的。句中出现标志词than（比），说明是两者（这本书和上周读的那本书）之间的比较，必须用形容词比较级，直接排除A（原级）、C、D（最高级，最高级用于三者及以上的比较）。boring是多音节形容词，多音节形容词的比较级变化规则是在原级前加more，因此正确形式是more boring。 9．________ you are, ________ mistakes you will make. A．The careful; the few B．The more careful; the fewer C．More careful; fewer D．The most careful; the fewest 【答案】B 【详解】句意：你越认真，你犯的错误就会越少。“the + 比较级, the + 比较级”是固定用法，意为“越……，就越……”，前后分句均需使用比较级且冠词the不可省略。careful是多音节形容词，比较级为more careful；mistakes是可数名词复数，需用few修饰，其比较级为fewer。 10．I do well in Chinese, and I think Chinese is ________ than math. A．not as easy as B．easier C．easy D．the easiest 【答案】B 【详解】句意：我语文学得好，而且我认为语文比数学更容易。 考查形容词比较级。not as easy as不如……容易；easier更容易（比较级）；easy容易的（原级）；the easiest最容易的（最高级）。根据“than math”可知，此处需用比较级形式。故选B。 11．— Is your hair as________ as Mary’s? — No, her hair is________than mine. A．longer; long B．long; long C．long; longer D．longer; longer 【答案】C 【详解】句意：——你的头发和玛丽的一样长吗？——不，她的头发比我的更长。 考查形容词原级和比较级的用法。longer更长的；long长的。第一空“as…as”结构要求中间用形容词原级，因此用long；第二空出现“than”，需要用形容词比较级，因此用longer。故选C。 12．—You want to lose weight? But why? You look quite slim to me. —That may be true. But I’m ________ than last year. A．heavier B．heavy C．heaviest D．the heaviest 【答案】A 【详解】句意：—你想减肥？但为什么？在我看来你看起来很苗条。—那可能是真的。但我比去年更重。 考查形容词比较级。根据“That may be true. But I’m … than last year.”句式结构“ … than”可知，此处需用形容词“heavy”的比较级结构“heavier”，与“去年的体重进行对比”。故选A。 13．—Do you know something about lakes in China ? —Yes. Poyang Lake is the ________ freshwater lake in China. A．big B．bigger C．biggest D．deep 【答案】C 【详解】句意：——你了解中国的湖泊吗？——了解，鄱阳湖是中国面积最大的淡水湖。 big大的（原级）；bigger更大的（比较级）；biggest最大的（最高级）；deep深的（原级）。范围in China表示三者及以上比较，要用形容词最高级，应填biggest。 14．—What’s the ________ mountain in the world? —Qomolangma, of course. A．high B．higher C．highest D．highly 【答案】C 【详解】句意：——世界上最高的山是什么？——当然是珠穆朗玛峰。 high高的；higher更高的；highest最高的；highly高度地。根据空前的定冠词“the”以及范围状语“in the world”可知，此处表示在世界范围内进行比较，应用形容词的最高级形式。应填highest。 15．The Yellow River is known as one of ________ rivers in the world. A．long B．longer C．longest D．the longest 【答案】D 【详解】句意：黄河被誉为是世界上最长的河流之一。 根据“in the world”可知是在世界范围内进行比较，应用形容词最高级；固定句型“one of the+形容词最高级+名词复数”表示“最……之一”，最高级前需加定冠词the。应填the longest。 16．My new computer costs ________ yuan. A．four thousand five hundred and fifty B．four thousands five hundred fifty C．four thousand and five hundred fifty D．four thousands and five hundred and fifty 【答案】A 【详解】句意：我的新电脑花费了四千五百五十元。 four thousand five hundred and fifty四千五百五十；four thousands five hundred fifty“thousands”错误使用了复数形式；four thousand and five hundred fifty“and”位置错误（应在百位与十位之间）；four thousands and five hundred and fifty“thousands”错误使用复数且“and”位置错误。根据英语数字表达规则，千位数中“thousand”用单数，百位与十位之间用“and”连接，应填four thousand five hundred and fifty。 17．Sun Yat-sen’s Mausoleum is over ________ in size. A．eighty-thousand-square-meter B．eighty thousand square meters C．eighty-thousand square meters D．eighty thousands square meters 【答案】B 【详解】句意：中山陵的面积超过八万平方米。 eighty-thousand-square-meter八万平方米（连字符形式，用作形容词）；eighty thousand square meters八万平方米（标准数量表达）；eighty-thousand square meters连字符错误；eighty thousands square meters“千”用了复数，错误。表示具体面积时，用“数字+单位”且单位用复数，应填eighty thousand square meters。 18．How can we read the number 12,384? A．one thousand two hundred and eighty-four B．twelve thousand three hundred eighty-four C．twelve thousands three hundred and eighty-four D．twelve thousand three hundred and eighty-four 【答案】D 【详解】句意：我们怎么读数字 12,384？ 英语中thousand前有具体数字时不加s，排除选项C；百位和十位之间通常加and，排除选项B；选项A数值为1,284，与题干不符。12,384正确读法为twelve thousand three hundred and eighty-four。 19．Which number is six hundred and seventy-three thousand one hundred and eleven? A．6,073,100 B．60,731,100 C．6,731,11 D．673,111 【答案】D 【详解】句意：哪个数字是六十七万三千一百一十一？     英语数字表达从高位到低位，“six hundred and seventy-three thousand”意为“673,000”，“one hundred and eleven”意为“111”，组合起来为673,111。 20．How do you read 12,845? A．Twelve thousand eight hundreds forty-five B．Twelve thousands eight hundred and forty-five C．Twelve thousand eight hundred and forty-five D．Twelve thousands eight hundreds forty-five 【答案】C 【详解】句意：你怎么读12,845？ 英语中表达具体数字时，thousand和hundred前有基数词修饰，不能用复数形式，排除B和D。百位与十位之间需用and连接，排除A。故选C。 二、单词正确形式填空 21．—Which plant do you like most? —I think sunflowers are the ________. They always turn to the sun, so lovely! (good) 【答案】best 【详解】句意：——你最喜欢哪种植物？——我认为向日葵是最好的。它们总是转向太阳，真可爱！good“好的”，形容词；根据问句“like most”及答语中“the...They always...”的语境可知，此处需用最高级形式best“最好的”。故填best。 22．Bob drank ________ (little) orange juice among the three of us. 【答案】the least 【详解】句意：在我们三人中，鲍勃喝的橙汁最少。little“少的”，形容词；根据“among the three of us”可知，此处是在三者之间进行比较，需用最高级形式。little的最高级是least，且最高级前需加定冠词the。故填the least。 23．China is one of the most civilized (文明的) and ________ (old) countries in the world. 【答案】oldest 【详解】句意：中国是世界上最文明且最古老的国家之一。根据“one of the most civilized (文明的) and”可知，此处使用形容词最高级，old意为“年老的；旧的”，最高级形式为oldest，故填oldest。 24．They are among the _______ (smart) animals on earth. 【答案】smartest 【详解】句意：它们是地球上最聪明的动物之一。根据“among the...animals on earth”可知，此处表示三者及以上的比较，应用形容词的最高级形式，smart“聪明的”，形容词，其最高级形式为smartest。故填smartest。 25．Bamboo is one of ________ (popular) symbols of goodness in Chinese culture. 【答案】the most popular 【详解】句意：竹子在中国文化中是最受欢迎的美德的象征之一。根据“Bamboo is one of ... symbols”可知，“one of+the+最高级+复数名词”是固定结构，表示“最……的……之一”，且“popular”为多音节形容词，最高级形式为“the most popular”。故填the most popular。 26．Australia is the fifth ________ country after Russia, Canada, the US and Brazil. (large) 【答案】largest 【详解】句意：澳大利亚是继俄罗斯、加拿大、美国、巴西之后的第五大国。large“大的”，根据“the fifth...country”可知，此处表达“第五大国”，因此应使用“the+序数词+形容词最高级”结构，表示“第几大……”，large的最高级形式为largest。故填largest。 27．It’s widely believed that dolphins are one of ________ (smart) animals in the ocean. 【答案】the smartest 【详解】句意：人们普遍认为海豚是海洋中最聪明的动物之一。smart“聪明的”，形容词；根据“one of … animals in the ocean”可知，此处用形容词最高级。smart的最高级为smartest，最高级前面加定冠词the。故填the smartest。 28．I think there will be ________ (few) schools in the future. Children will study at home online. 【答案】fewer 【详解】句意：我认为在未来将会有更少的学校。孩子们将会在家在线学习。这里用few的比较级fewer，是因为句子中有“in the future（在未来）”，是将未来的学校数量和现在的学校数量作比较，表达未来学校数量会更少，所以用比较级形式。 29．Lucy is ________ (outgoing) than her sister. 【答案】more outgoing 【详解】句意：露西比她姐姐更外向。outgoing“外向的”，是形容词。句中有“than”（比），表示两者之间的比较，需要用比较级。outgoing是多音节形容词，其比较级需在前面加more，即more outgoing，意为“更外向的”，符合语境。 30．Online payment (在线支付) makes buying things much ________ (easy) and faster. 【答案】easier 【详解】句意：在线支付让购物变得更容易也更快。根据比较级修饰语“much”以及并列词“faster”可知，此处应用easy的比较级形式easier。故填easier。 三、完成句子 31．但随着工业发展，环境问题变得越发严重。 However, with industrial development, environmental problems become ______________. 【答案】 more and more serious 【详解】对比中英句子可知，空格处与中文“越发严重”这一关键词相对应。“严重”对应英文形容词serious，在句中作系动词“become”的表语。“越来越……”在英语中常用“比较级 + and + 比较级”的结构来表达。“serious”是多音节形容词，其比较级需在前面加“more”，因此“越发严重”译为“more and more serious”。故填more and more serious。 32．现代发明使我们的生活更方便。 Modern inventions have made our lives ________ ________. 【答案】 more convenient 【详解】对照中英文，可知空处应填“更方便”；“make+宾语+形容词”表示“使……变得……”，因此空处填形容词作宾补；convenient意为“方便的”，形容词，结合汉语提示，空处应填convenient的比较级；因convenient是多音节形容词，其比较级不能在词尾加-er，需在前面加more。故填more convenient。 33．Tony比他哥哥害羞得多。 Tony is ________ ________ than his brother. 【答案】 much shyer 【详解】原句中“害羞得多”是关键词，shy表示“害羞”，much可修饰形容词比较级加强程度，shy的比较级为shyer。 34．黄果树瀑布是世界第三大瀑布。 Huangguoshu Waterfall is the ________ ________ waterfall in the world. 【答案】 third largest 【详解】原句中“第三大”是关键词。“第三”用序数词third，“大”用形容词最高级largest，“第三大”即the third largest。应填third；largest。 35．孔子被认为是中国最伟大的思想家之一。   Confucius is ________ to be one of the greatest ________ in China. 【答案】 considered thinkers 【详解】原句中“被认为”是关键词，表示“被认为是”的短语是be considered to be。本句为被动语态，be动词已经给出，considered符合语境；第二空“思想家”是关键词，对应单词thinker，“one of+the+最高级+可数名词复数”为固定结构，复数形式thinkers符合语境。 36．The Yangtze River is longer than any other river in China. (改为同义句) The Yangtze River is ________ ________ river in China. 【答案】 the longest 【详解】句意：长江比中国其他任何一条河流都长。改为同义句，原句表达“长江是中国最长的河流”，“longest”表示“最长的”，形容词最高级前加定冠词the。故填the；longest。 37．我认为跑步是保持健康的最佳方式之一。 I think running is one of ________ ________ ways to keep healthy. 【答案】 the best 【详解】根据中英文对照，空格处缺少“最佳的”。英语中表达“最……之一”的固定结构是“one of+the+形容词最高级+可数名词复数”，good“好的”的最高级形式是best，用来修饰复数名词“ways”。故填the；best。 38．珠穆朗玛峰是世界上最高的山。 Mount Qomolangma is ________ ________ mountain in the world. 【答案】 the highest 【详解】根据中英文对照可知，句中缺少“最高的”的表达。形容词high“高的”的最高级为highest，前需加定冠词the，结构为“the + 形容词最高级 + 名词”。故填the；highest。 39．在一个展厅里，我看到了一件由成千上万颗玻璃“眼泪”组成的艺术品。 In one hall, I saw an artwork with ________ ________ glass “tears” falling down. 【答案】 thousands of 【详解】原句中“成千上万”是关键词，表示“成千上万”的英文是thousands of，是固定短语，后接名词复数。 40．It’s ________. 它有6,671千米长。 【答案】6,671 kilometers long 【详解】原句中“有……长”是关键词，描述长度的固定表达为“数字+单位+long”，“千米”为kilometer，复数形式为kilometers，故填6,671 kilometers long。 一、语法选择 根据短文内容，从A、B、C三个选项中选出一个语法正确的答案，并把答题卡上对应题目的答案标号涂黑。 Located in South America, the Amazon Rainforest is the world’s largest rainforest. It is well known for 1 rich plants and animals. It used to be 2 important home for many groups of people. There are also 3 kinds of plants and animals in the rainforest. Around the forest, the air in the forest is so fresh that it feels like a huge green lung, cleaning the Earth’s air. 4 some parts are very wet, the rainforest is still a great place to visit all year round. Therefore, people also call it the “Lung of the Earth”. The 5 time for visiting the rainforest is in the dry season, from June to December. A large number of visitors come 6 the beautiful scenery every year. The number of visitors 7 up to 1 million every year. The Amazon Rainforest is also famous 8 its special animals, like toucans and jaguars. During these times, people can enjoy its most beautiful moments. Colorful 9 and tall trees make the forest lively. People can enjoy the sunrise at 6:30 a.m. between May 10 September. 1．A．it’s B．its C．it 2．A．a B．the C．an 3．A．thousand B．thousands C．thousands of 4．A．Although B．Until C．If 5．A．better B．best C．well 6．A．to visit B．visited C．visit 7．A．reached B．will reach C．reaches 8．A．as B．for C．with 9．A．bird’s B．birds C．birds’ 10．A．and B．or C．to 【答案】 1．B 2．C 3．C 4．A 5．B 6．A 7．C 8．B 9．B 10．A 【导语】本文介绍了亚马逊雨林的地理位置、生态特点、旅游信息与特色景观。 1．句意：它因丰富的动植物而闻名。 此处修饰名词“rich plants and animals”，需用形容词性物主代词，应用its“它的”。it’s是it is的缩写形式，it是人称代词主格/宾格，均不符合语法要求。 2．句意：它曾经是许多人群的重要家园。 “important”以元音音素开头，此处表示“一个重要的家园”，需用不定冠词an。a用于以辅音音素开头的单词前，the是定冠词表特指，均不符合语境。 3．句意：雨林中也有成千上万种动植物。 “thousands of”为固定搭配，意为“成千上万的”，表示不确定的数量，应用thousands of。thousand“千”前需接具体数字，thousands“数千”不能单独使用，均不符合语境。 4．句意：虽然有些地方非常潮湿，但雨林全年仍是游览的好地方。 此处引导让步状语从句，表示“虽然”，应用Although。Until“直到”，If“如果”，均不符合语境逻辑。 5．句意：游览雨林的最佳时间是旱季，从六月到十二月。 根据后文“from June to December”，可知此处指“最佳时间”，需用形容词最高级，应用best“最好的”。better是比较级，well是副词原级，均不符合语境。 6．句意：每年都有大量游客前来观赏美景。 “come to do sth.”为固定搭配，意为“来做某事”，应用to visit。visited是过去式/过去分词，visit是动词原形，均不符合该固定结构。 7．句意：每年游客数量高达100万。 主语“The number of visitors”表示单数，且全文为一般现在时，谓语动词需用第三人称单数形式，应用reaches。reached是过去式，will reach是一般将来时，均不符合时态与主谓一致要求。 8．句意：亚马逊雨林也因其特殊的动物而闻名，比如巨嘴鸟和美洲豹。 “be famous for”为固定搭配，意为“因……而闻名”，应用for。“be famous as”意为“作为……而闻名”，with不与famous构成固定搭配，均不符合语境。 9．句意：五颜六色的鸟儿和高大的树木让森林充满生机。 此处与“tall trees”并列，需用复数名词，应用birds“鸟儿”。bird’s是单数名词所有格，birds’是复数名词所有格，均不符合语境。 10．句意：人们可以在五月到九月之间欣赏早上6:30的日出。 “between...and...”为固定搭配，意为“在……和……之间”，应用and。or“或者”，to“到”，均不符合该固定搭配。 二、语法填空 阅读下面短文，在空白处填入适当的单词或括号内单词的正确形式。 Do you love the ocean? Do you want 1 (visit) one of the natural wonders of the world? If so, visit the Great Barrier Reef! Located on the northeastern coast of Australia, the Great Barrier Reef is one of the most 2 (amaze) places to visit. It is the 3 (big) coral reef in the world. It 4 (take) up an area of 345,000 square kilometres and includes over 900 islands and white sand 5 (beach). The Great Barrier Reef 6 (be) also alive! If you visit it, you will see the largest living structure 7 earth. Here, you can swim, dive, or snorkel in the clear water and see coral, plants, and schools of 8 (colour) fish. If you dive deeper, you might even see large fish, turtles, 9 sharks. For people who love 10 ocean, visiting the Great Barrier Reef is the dream of a lifetime! 【答案】 1．to visit 2．amazing 3．biggest 4．takes 5．beaches 6．is 7．on 8．colourful/colorful 9．and 10．the 【导语】本文介绍了位于澳大利亚东北海岸的大堡礁，描述了它作为世界自然奇观的地位、规模与特色，以及潜水、浮潜等游玩体验，展现了这片海洋奇观的魅力。 1．句意：你想参观世界自然奇观之一吗？固定搭配want to do sth.，表示“想要做某事”，用不定式to visit。 2．句意：大堡礁是最令人惊叹的游览地之一。此处修饰places，用形容词amazing (意为“令人惊叹的”)。 3．句意：它是世界上最大的珊瑚礁。定冠词the后接形容词最高级，big的最高级是biggest。 4．句意：它占地面积345000平方公里，包括900多个岛屿和白色沙滩。句子为一般现在时，主语It是第三人称单数，take的三单形式是takes。 5．句意：它占地面积345000平方公里，包括900多个岛屿和白色沙滩。and连接并列名词，beach用复数形式beaches。 6．句意：大堡礁也是有生命的！句子为一般现在时，主语The Great Barrier Reef是单数，be动词用is。 7．句意：如果你参观它，你会看到地球上最大的生物结构。固定搭配on earth，表示“在地球上”，填介词on。 8．句意：在这里，你可以游泳、潜水或浮潜，在清澈的水中看到珊瑚、植物和五颜六色的鱼。修饰名词fish，用形容词colourful/colorful (意为“五颜六色的”)。 9．句意：如果你潜得更深，你甚至可能看到大鱼、海龟和鲨鱼。此处表示并列，用连词and。 10．句意：对于热爱海洋的人来说，参观大堡礁是一生的梦想！此处特指海洋，用定冠词the。 阅读下面短文，根据语境或所给单词的提示，在每个空格内填入恰当的词（每空不超过2个词），使短文意思完整、行文连贯。 Do you know the largest nature park in China? It is Sanjiangyuan National Park on the Qinghai-Tibet Plateau (青藏高原). “Sanjiangyuan” 1 (mean) the headwaters of China’s three great rivers: the Yangtze River, Yellow River and Lancang River. The Yangtze River is the longest of the three. Sanjiangyuan is famous 2 the beautiful scenery. It’s called the Water Tower of China or even Asia because there are lots of rivers, lakes, and wetlands. All the people living around it depend on its rich 3 (nature) resources (资源). However, with the global warming and human activities, the place was once in great danger. Life there was also much 4 (difficult) for both animals and humans than that in other places. To stop things from 5 (get) worse, our government has taken many measures, such as building Sanjiangyuan National Park. Many people joined the environmental protection club. The club advised the members 6 (start) a WeChat group and invite other people to join in. This was a great idea. It allowed more and more people to meet each other online 7 talk about how to protect the environment. Now, people there are living in peace with nature. Our country is trying 8 (it) best to make Sanjiangyuan National Park one of the most famous 9 (park) all over the world. I believe in the future the park will be 10 window to show Chinese scenic beauty to the outside. 【答案】 1．means 2．for 3．natural 4．more difficult 5．getting 6．to start 7．and 8．its 9．parks 10．a 【导语】本文主要介绍了中国最大的自然公园 ——三江源国家公园，包括它的含义、地位、面临的危机以及保护措施，表达了对三江源未来的美好展望。 1．句意：“三江源”指的是中国三大河流的源头：长江、黄河和澜沧江。which引导定语从句，先行词Sanjiangyuan为单数名词，句子为一般现在时，动词mean需变为第三人称单数形式means。 2．句意：三江源因美丽的风景而闻名。be famous for意为“因……而闻名”，固定搭配，此处需用介词for。 3．句意：周边居民都依赖它丰富的自然资源。名词resources需用形容词修饰，nature的形容词形式为natural“自然的”。 4．句意：对动物和人类来说，那里的生活也比其他地方艰难得多。句中出现比较级标志词than，且much可修饰比较级，difficult的比较级形式为more difficult。 5．句意：为了阻止情况恶化，我们的政府采取了许多措施，比如建立三江源国家公园。stop…from doing sth.意为“阻止……做某事”，介词from后接动名词，get的动名词形式为getting。 6．句意：俱乐部建议成员们创建一个微信群，并邀请其他人加入。advise sb. to do sth.意为“建议某人做某事”，固定搭配，此处需用不定式to start。 7．句意：这让越来越多的人可以在线见面，并讨论如何保护环境。meet each other和talk about是并列谓语，应用连词and连接。 8．句意：我们国家正尽最大努力使三江源国家公园成为世界上最著名的公园之一。try one’s best意为“尽某人最大努力”，主语为Our country，对应的形容词性物主代词为its。 9．句意：我们国家正尽最大努力使三江源国家公园成为世界上最著名的公园之一。“one of the + 形容词最高级 + 可数名词复数”表示“最……的……之一”，park需变为复数形式parks。 10．句意：我相信在未来，这个公园将成为向外界展示中国风景之美的一个窗口。window是可数名词单数，此处表泛指“一个”，且window以辅音音素开头，用不定冠词a。 1 / 12 学科网（北京）股份有限公司 $ Unit 4 The Wonders of Nature 核心语法精练（形容词副词的比较级最高级和大数量的表达） 目录 二、考点夯基 3 一、单项选择 3 二、用所给单词的正确形式填空 4 三、完成句子 7 一、语法选择 9 二、短文填空 11 知识点1. 形容词副词原级、比较级和最高级的用法 用法 意义 原级 as + 原级 + as 表示“……和……一样” Lucy is as thin as Lily. not as/so + 原级 + as 表示“……不如…… ” Jerry is not as/ so tall as Tom. 比较级二者之间 比较级 + than 表示“……比……更…… ” I’m older than her. 比较级 + and + 比较级 表示“越来越…… ” The weather is hotter and hotter. the + 比较级，the + 比较级 表示“越……，越…… ” The more, the better. 最高级三者及以上 the +最高级（+名词）+ of/in 表示某一范围内“最……的 ” Alice is the tallest girl in her class. one of the + 最高级+ 复数名词 +of/in 表示某一范围内“最……的……之一 ” China is one of the biggest countries in the world. the + 序数词 + 最高级（+名词）+of/in 表示某一范围内“第几……的 ” The Yellow River is the second longest river in China. 形容词和副词的比较等级变化规则 （1）规则变化 构成方法 原级→比较级→最高级 直接在词尾加-er， -est fast→faster→fastest　　　　　long→longer→longest 以不发音的字母e结尾的加-r， -st large→larger→largest　　　　 nice→nicer→nicest brave→braver→bravest　 late→later→latest　 wide→wider→widest 以“辅音字母＋y”结尾的，先变y为i，再加 -er， -est happy→happier→happiest　　 easy→easier→easiest angry→angrier→angriest　 ugly→uglier→ugliest early→earlier→earliest　 busy→busier→busiest heavy→heavier→heaviest 以重读闭音节结尾且末尾只有一个辅音字母的词，先双写这一辅音字母，再加-er， -est big→bigger→biggest　 fat→fatter→fattest thin→thinner→thinnest wet→wetter→wettest hot→hotter→hottest　 red→redder→reddest fit→fitter→fittest　 glad→gladder→gladdest sad→sadder→saddest 部分双音节和多音节词，在其前加more， most beautiful→more beautiful→most beautiful careful→more careful→most careful （2）不规则变化 原级 比较级 最高级 good, well better best bad, ill worse worst many, much许多的 more most little less least far farther距离远的 farthest距离最远 far further距离更远；程度更胜 furthest距离最远；程度最深 old older/elder oldest/eldest 知识点2. 大数量的读法 ①在读三位数的基数词时，在百位和十位之间（若十位为零，则在百位和个位之间）用and连接。 653 读作：six hundred and fifty-three 101 读作：one hundred and one 309 读作：three hundred and nine ②在读四位数及四位数以上的基数词时，先从右往左，每三位数加一个逗号，用这个方法把数字分成若干段，再一段一段地读。从右往左的第一个逗号前的数字后加thousand,第二个逗号前的数字后加million,第三个逗号前的数字后加billion。 1,023 读作：one thousand and twenty-three 329 读作：twenty-four thousand three hundred and twenty-nine 5,689,008 读作：five million six hundred and eighty-nine thousand and eight 一、单项选择 1．—Who is ________, Lucy or Tina? —Tina. She always makes others laugh. A．funny B．funnier C．funniest D．the funniest 2．When you make a mistake, you are ________ to success. So never give up after making mistakes. A．closest B．much closer C．the closest 3．After hearing the good news, Jenny became even ________. A．excited B．more excited C．exciting D．most exciting 4．Bob is ________ of the two boys. A．tall B．taller C．the taller D．the tallest 5．Now the after-school service is in proper use, and students are sure to have ________ homework and ________ free time than before. A．less; more B．fewer; less C．less; fewer 6．I think Mount Taishan is not only ________ than the other mountains in Shandong, but also ________ of all. A．higher; the most beautiful B．the highest; more beautiful C．high; the most beautiful D．higher; more beautiful 7．This experience changed Lily. She became braver and ________. A．confident B．more confident C．most confident 8．— I don’t like this book. It’s too boring. — Me neither. I think it’s ________ than the one we read last week. A．boring B．more boring C．most boring D．the most boring 9．________ you are, ________ mistakes you will make. A．The careful; the few B．The more careful; the fewer C．More careful; fewer D．The most careful; the fewest 10．I do well in Chinese, and I think Chinese is ________ than math. A．not as easy as B．easier C．easy D．the easiest 11．— Is your hair as________ as Mary’s? — No, her hair is________than mine. A．longer; long B．long; long C．long; longer D．longer; longer 12．—You want to lose weight? But why? You look quite slim to me. —That may be true. But I’m ________ than last year. A．heavier B．heavy C．heaviest D．the heaviest 13．—Do you know something about lakes in China ? —Yes. Poyang Lake is the ________ freshwater lake in China. A．big B．bigger C．biggest D．deep 14．—What’s the ________ mountain in the world? —Qomolangma, of course. A．high B．higher C．highest D．highly 15．The Yellow River is known as one of ________ rivers in the world. A．long B．longer C．longest D．the longest 16．My new computer costs ________ yuan. A．four thousand five hundred and fifty B．four thousands five hundred fifty C．four thousand and five hundred fifty D．four thousands and five hundred and fifty 17．Sun Yat-sen’s Mausoleum is over ________ in size. A．eighty-thousand-square-meter B．eighty thousand square meters C．eighty-thousand square meters D．eighty thousands square meters 18．How can we read the number 12,384? A．one thousand two hundred and eighty-four B．twelve thousand three hundred eighty-four C．twelve thousands three hundred and eighty-four D．twelve thousand three hundred and eighty-four 19．Which number is six hundred and seventy-three thousand one hundred and eleven? A．6,073,100 B．60,731,100 C．6,731,11 D．673,111 20．How do you read 12,845? A．Twelve thousand eight hundreds forty-five B．Twelve thousands eight hundred and forty-five C．Twelve thousand eight hundred and forty-five D．Twelve thousands eight hundreds forty-five 二、单词正确形式填空 21．—Which plant do you like most? —I think sunflowers are the ________. They always turn to the sun, so lovely! (good) 22．Bob drank ________ (little) orange juice among the three of us. 23．China is one of the most civilized (文明的) and ________ (old) countries in the world. 24．They are among the _______ (smart) animals on earth. 25．Bamboo is one of ________ (popular) symbols of goodness in Chinese culture. 26．Australia is the fifth ________ country after Russia, Canada, the US and Brazil. (large) 27．It’s widely believed that dolphins are one of ________ (smart) animals in the ocean. 28．I think there will be ________ (few) schools in the future. Children will study at home online. 29．Lucy is ________ (outgoing) than her sister. 30．Online payment (在线支付) makes buying things much ________ (easy) and faster. 三、完成句子 31．但随着工业发展，环境问题变得越发严重。 However, with industrial development, environmental problems become ______________. 32．现代发明使我们的生活更方便。 Modern inventions have made our lives ________ ________. 33．Tony比他哥哥害羞得多。 Tony is ________ ________ than his brother. 34．黄果树瀑布是世界第三大瀑布。 Huangguoshu Waterfall is the ________ ________ waterfall in the world. 35．孔子被认为是中国最伟大的思想家之一。   Confucius is ________ to be one of the greatest ________ in China. 36．The Yangtze River is longer than any other river in China. (改为同义句) The Yangtze River is ________ ________ river in China. 37．我认为跑步是保持健康的最佳方式之一。 I think running is one of ________ ________ ways to keep healthy. 38．珠穆朗玛峰是世界上最高的山。 Mount Qomolangma is ________ ________ mountain in the world. 39．在一个展厅里，我看到了一件由成千上万颗玻璃“眼泪”组成的艺术品。 In one hall, I saw an artwork with ________ ________ glass “tears” falling down. 40．It’s ________. 它有6,671千米长。 一、语法选择 根据短文内容，从A、B、C三个选项中选出一个语法正确的答案，并把答题卡上对应题目的答案标号涂黑。 Located in South America, the Amazon Rainforest is the world’s largest rainforest. It is well known for 1 rich plants and animals. It used to be 2 important home for many groups of people. There are also 3 kinds of plants and animals in the rainforest. Around the forest, the air in the forest is so fresh that it feels like a huge green lung, cleaning the Earth’s air. 4 some parts are very wet, the rainforest is still a great place to visit all year round. Therefore, people also call it the “Lung of the Earth”. The 5 time for visiting the rainforest is in the dry season, from June to December. A large number of visitors come 6 the beautiful scenery every year. The number of visitors 7 up to 1 million every year. The Amazon Rainforest is also famous 8 its special animals, like toucans and jaguars. During these times, people can enjoy its most beautiful moments. Colorful 9 and tall trees make the forest lively. People can enjoy the sunrise at 6:30 a.m. between May 10 September. 1．A．it’s B．its C．it 2．A．a B．the C．an 3．A．thousand B．thousands C．thousands of 4．A．Although B．Until C．If 5．A．better B．best C．well 6．A．to visit B．visited C．visit 7．A．reached B．will reach C．reaches 8．A．as B．for C．with 9．A．bird’s B．birds C．birds’ 10．A．and B．or C．to 二、语法填空 阅读下面短文，在空白处填入适当的单词或括号内单词的正确形式。 Do you love the ocean? Do you want 1 (visit) one of the natural wonders of the world? If so, visit the Great Barrier Reef! Located on the northeastern coast of Australia, the Great Barrier Reef is one of the most 2 (amaze) places to visit. It is the 3 (big) coral reef in the world. It 4 (take) up an area of 345,000 square kilometres and includes over 900 islands and white sand 5 (beach). The Great Barrier Reef 6 (be) also alive! If you visit it, you will see the largest living structure 7 earth. Here, you can swim, dive, or snorkel in the clear water and see coral, plants, and schools of 8 (colour) fish. If you dive deeper, you might even see large fish, turtles, 9 sharks. For people who love 10 ocean, visiting the Great Barrier Reef is the dream of a lifetime! 阅读下面短文，根据语境或所给单词的提示，在每个空格内填入恰当的词（每空不超过2个词），使短文意思完整、行文连贯。 Do you know the largest nature park in China? It is Sanjiangyuan National Park on the Qinghai-Tibet Plateau (青藏高原). “Sanjiangyuan” 1 (mean) the headwaters of China’s three great rivers: the Yangtze River, Yellow River and Lancang River. The Yangtze River is the longest of the three. Sanjiangyuan is famous 2 the beautiful scenery. It’s called the Water Tower of China or even Asia because there are lots of rivers, lakes, and wetlands. All the people living around it depend on its rich 3 (nature) resources (资源). However, with the global warming and human activities, the place was once in great danger. Life there was also much 4 (difficult) for both animals and humans than that in other places. To stop things from 5 (get) worse, our government has taken many measures, such as building Sanjiangyuan National Park. Many people joined the environmental protection club. The club advised the members 6 (start) a WeChat group and invite other people to join in. This was a great idea. It allowed more and more people to meet each other online 7 talk about how to protect the environment. Now, people there are living in peace with nature. Our country is trying 8 (it) best to make Sanjiangyuan National Park one of the most famous 9 (park) all over the world. I believe in the future the park will be 10 window to show Chinese scenic beauty to the outside. 1 / 12 学科网（北京）股份有限公司 $