Unit5 Amazing nature 单元语法（讲义）-2024-2025学年七年级英语下册易混易错点精讲精练（外研版）

Unit5 Amazing nature 单元语法（讲义） 思维导图 形容词和副词的比较等级 （1）形容词和副词原级的用法 ①as＋形容词/副词的原级＋as，如：He runs as fast as Lucy. 他和露西跑得一样快。 ②not as/so＋形容词/副词的原级＋as，如：He doesn’t run as/so fast as Lucy. 他没有露西跑得快。 ③倍数＋as＋形容词/副词的原级＋as，如：This room is twice as large as that one. 这间屋子是那间屋子的两倍大。 （2）形容词和副词比较级的用法 ①形容词/副词的比较级＋than，如：He runs faster than Lucy. 他比露西跑得快。 ②倍数＋形容词/副词的比较级＋than，如：His house is twice bigger than mine. 他家比我家大两倍。 ③the＋形容词的比较级＋of the two＋复数名词，“两者中较……的一个”，如：He is the taller of the two boys. 他是两个男孩中个子较高的那个。 ④“形容词/副词的比较级＋and＋形容词/副词的比较级”或“more and more＋多音节形容词原级/副词的原级”，“越来越……”，如：As summer is coming， the day is becoming longer and longer. 夏天到了，白天变得越来越长。 ⑤the＋形容词/副词的比较级，the＋形容词/副词的比较级，“越……，就越……”，如：The harder you work， the greater progress you will make. 你工作越努力，取得的进步就越大。 ⑥a/an＋形容词的比较级＋名词单数/代词one，“一个更……的”，如：The dress is a little big for me， so I want to change it for a smaller one. 这条裙子对我来说有点儿大，所以我想换条小的。 ⑦修饰比较级的词有much， even， far， a little， twice， many times， a bit， rather等，如：It’s even hotter today. 今天更热了。 （3）形容词和副词最高级的用法（用于三者或三者以上比较） ①in/of/among短语表示范围时，或从句表示“所见过的/听过的/去过的/吃过的”等意思时，如： Qomolangma is the highest mountain in the world. 珠穆朗玛峰是世界上最高的山。 She is the most beautiful girl that I’ve ever seen. 她是我见过的最漂亮的女孩。 ②one of the ＋形容词的最高级＋复数名词，如： She is one of the tallest girls in our class. 她是我们班个子最高的女孩之一。 ③the＋序数词＋形容词的最高级＋单数名词＋范围，如： Hainan Island is the second largest island in China. 海南岛是中国第二大岛。 【拓展】比较级与最高级之间的转化 1.比较级＋than＋any （other）＋单数名词/the other＋复数名词，可表示最高级。如： Tom is the tallest student in his class.＝ Tom is taller than any other student in his class. ＝Tom is taller than the other students in his class. 2.“否定词＋比较级”也可表示最高级含义。如： －What a clear blue sky！ －Yes， I have never seen a more beautiful sky. （4）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 good/well→better→best　　　　　　 many/much→more→most bad/badly→worse→worst far→farther/further→farthest/furthest old→older/elder→oldest/eldest little→less→least 填形容词原形的判定方法 (1)位于名词前作定语； (2)位于be动词后作表语； (3)位于形容词短语中，其结构为：be动词+形容词+介词； (4)位于感官动词和连系动词look， sound，smell, taste, feel, seem, become, grow, get, turn, keep, remain之后作表语； (5)位于复合不定代词后作后置定语； (6)位于定冠词the后表示一类人； (7)位于固定句型It is+adj.(+for/of sb.)+to do sth.和make/keep/leave+ sb./sth.+adj.中； (8)位于“形容词+ and/or+形容词”结构中； (9)位于宾语之后作宾补，常与make，leave，keep等动词连用。 变比较等级 1.含有标志词than时要用比较级： 2.形容词前由表示程度的副词（词组）a little. a bit.a lot. much. even.far等修饰时，常用该形容词的比较级： 3. 根据语境判断，如：said no more； 4. 在固定结构中，如：the+比较级，the+比较级：one of the+形容词最高级+可数名词复数： 5.在形容词比较等级的常见结构中。 填副词原型的判定方法： （1） 修饰动词或动词短语 （2） 修饰形容词 （3） 修饰介词短语 （4） 位于句首作状语，修饰整个句子 变比较等级 1.含有标志词than时要用比较级： 2.副词前由表示程度的副词（词组）a little. a bit.a lot. much. even.far等修饰 3. 在固定结构中，如：the+比较级，the+比较级 4.在副词比较等级的常见结构中。 语法操练 1．（24-25七年级下·广东广州·期中）My house doesn’t have _________ my sister’s. A．as many furnitures as B．as much furniture as C．so many furnitures as D．so much furnitures as 【答案】B 【详解】句意：我的房子没有我妹妹的房子里的家具多。考查形容词同级比较及不可数名词。many许多，修饰可数名词复数；much许多，修饰不可数名词；furniture家具，不可数名词，无复数形式，排除ACD选项；此处是as/so+形容词/副词原级+as“和……一样……”，此处是“as much furniture as”表示“和……一样多的家具”。故选B。 2．）Mind health is as ________ as body health. A．important B．more important C．less important D．the most important 【答案】A 【详解】句意：心理健康和身体健康一样重要。考查形容词的原级。根据“as…as”可知，考查“as+形容词原级+as”的用法，意为“和……一样”。故选A。 3．—Is your sister ______ than you? —No, she is as ______ as me. A．taller; tall B．tall; taller C．tallest; tall D．taller; tallest 【答案】A 【详解】句意：——你妹妹比你高吗？——不，她和我一样高。 考查形容词比较级的用法。tall高的；taller比较级。根据“than”可知，第一个空应用形容词比较级taller；“as+形容词原级+as”意为“和……一样……”。故选A。 4．To protect environment is ________ to take care of our lives. A．important B．the more important C．the most important D．as important as 【答案】D 【详解】句意：保护环境跟关注我们的生命一样重要。 考查同级比较。important意为重要的，是形容词的原级，用于描述一个事物，且没有比较对象时；the more important表述错误；the most important意为最重要的，是important的最高级，用于三者或三者以上做比较；as important as意为和……一样重要，采用的是as+形容词原级+as的结构。句中谈论的是两方面“To protect the environment”和“to take care of our lives”进行比较，故选D。 5．Nick is as ________ as my brother. I love both of them. A．funny B．funnier C．funniest D．the funniest 【答案】A 【详解】句意：尼克和我哥哥一样有趣。我喜欢他们俩。 考查形容词比较级。as…as表示“和……一样”，中间用形容词原级。故选A。 6．The girl is 14 years old. She is as ________ as her mother. A．tall B．taller C．tallest D．the tallest 【答案】A 【详解】句意：这个女孩14岁了。她和她妈妈一样高。 考查as…as…用法。“as...as...”是固定结构，意为“和……一样”，中间要用形容词或副词的原级，用于表示两者在某方面程度相同，进行同级比较。“as tall as”，表示她和她妈妈一样高。故选A。 7．Be more careful! A miss is as ________ as a mile. A．good B．well C．better D．best 【答案】A 【详解】句意：更小心一点！失之毫厘，谬以千里。 考查形容词辨析。good好的；well好地；better更好的；best最好的。观察可知题干使用了as...as结构形式，中间接形容词或副词原级，根据句中的is可知中间接形容词，构成系表结构。故选A。 8．—What do you think of English? —I think English is as ________ as Chinese. A．useful B．more useful C．most useful D．the most useful 【答案】A 【详解】句意：——你觉得英语怎么样？——我认为英语和汉语一样有用。考查同级比较。useful有用的，原级；more useful比较级；most useful最高级；the most useful定冠词the+最高级。as...as...表示“像……一样……”，中间用形容词或副词的原级。故选A。 9．（24-25七年级下·北京·期中）Kate thinks green salad is ______ than hamburgers. A．healthy B．healthier C．healthiest D．the healthiest 【答案】B 【详解】句意：凯特认为绿色沙拉比汉堡更健康。 考查形容词比较级。healthy健康的；healthier更健康的，比较级；healthiest最健康的，最高级；the healthiest最健康的。根据“Kate thinks green salad is …than hamburgers.”可知，此处为形容词比较级+than结构，应用形容词比较级。故选B。 10．（24-25七年级下·北京·期中）This book is ________ than the one I read last week. I can’t put it down! A．interesting B．more interesting C．most interesting D．the most interesting 【答案】B 【详解】句意：这本书比我上周读的那本更有趣。我简直爱不释手！ 考查形容词比较级。interesting有趣的，是形容词原级；more interesting较有趣的，为比较级形式；most interesting这种表达缺少定冠词“the”，是错误的；the most interesting最有趣的，为最高级形式。根据“than”可知，此处应为比较级。故选B。 11．（24-25七年级下·上海徐汇·期中）The sooner you start, the_________ you will finish your task. A．quickly B．more quickly C．quick D．quicker 【答案】B 【详解】句意：你越早开始，你就能越快完成你的工作。 考查副词用法和比较级。quickly快速地，副词；more quickly更快地，比较级；quick快的，形容词；quicker更快的，比较级。根据“The sooner you start...”可知，此句考查“the+比较级...，the+比较级...”结构，意为“越……，越……”，排除A和C；句中应用副词“quickly”修饰动词“finish”，排除D。故选B。 12．（24-25七年级下·上海·期中）Mr. Li likes travelling by bus. It is ________ and more exciting. A．more cheap B．more cheaper C．much cheap D．much cheaper 【答案】D 【详解】句意：李先生喜欢乘公交车旅行，因为它便宜得多且更令人兴奋。 考查比较级。根据“and more exciting”可知，空处用形容词的比较级与more exciting并列，cheap的比较级为cheaper，且形容词比较级前可用much修饰。故选D。 13．If you learn more about safety rules, you will be much ________. A．safe B．safer C．the safest D．safely 【答案】B 【详解】句意：如果你多了解一些安全规则，你就会安全得多。 考查形容词比较级。safe安全的，形容词原形；safer更安全的，形容词比较级；the safest最安全的，形容词最高级；safely安全地，副词。根据“you will be much...”可知，因此应填比较级形式，表示程度的增加。故选B。 14．The writer thinks that a balanced diet is ________ than a pill. A．important B．the most important C．more important D．less important 【答案】C 【详解】句意：作者认为均衡的饮食比药丸更好。 考查形容词辨析和比较级用法。more important更重要的；less important更不重要的。根据“than”可知，空处需用比较级，可排除AB选项；结合常识可知，均衡的饮食比药丸更重要，应用“more important”。故选C。 15．She runs faster ________ her brother. A．then B．than C．as D．like 【答案】B 【详解】句意：她跑得比她哥哥快。考查比较级的用法。then然后；than比；as作为；like像。这里是比较级的句子，需要用“than”来连接比较对象。故选B。 16．This book is ______ than that one. A．interesting B．more interesting C．most interesting D．the most interesting 【答案】B 【详解】句意：这本书比那本有趣。考查比较级。interesting有趣的，原级；more interesting更有趣的，比较级；most interesting最有趣的，最高级；the most interesting最有趣的，最高级。根据句中than可知，此处应用比较级，故选B。 17．—What do you think of the story? —It’s ________ than I thought. A．funny B．funnier C．funniest D．the funniest 【答案】B 【详解】句意：——你觉得这个故事怎么样？——这比我想象的要有趣。 考查比较级。funny有趣的，原级；funnier更有趣的，比较级；funniest最有趣的，最高级；the funniest最有趣的，最高级。根据句中than可知，此处应用比较级，故选B。 18．This flower is ________ in the whole garden. A．beautiful B．more beautiful C．most beautiful D．the most beautiful 【答案】D 【详解】句意：这朵花是整个花园里最漂亮的。考查形容词最高级用法。根据“in the whole garden”可知，此处需用形容词最高级形式“the most beautiful”表示“最漂亮的”。故选D。 19．（24-25七年级下·广东广州·期中）________ is one of the most important ________ in China. A．The Spring Festival; festivals B．The spring festival; festival C．The Spring Festival; festival D．The spring festival; festivals 【答案】A 【详解】句意：春节是中国最重要的节日之一。 考查专有名词和名词复数。“春节”的正确表达是“The Spring Festival”，首字母都要大写。“one of+形容词最高级+可数名词复数”表示“最……之一”，结合选项可知，第二空应用festivals。故选A。 20．（24-25七年级下·上海浦东新·期中）The lion is one of ________ animals in the forest. A．the most powerful B．more powerful C．powerful D．less powerful 【答案】A 【详解】句意：狮子是森林里最强大的动物之一。 考查形容词最高级。the most powerful 最强大的；more powerful 更强大的；powerful 强大的；less powerful 不那么强大的。本句是固定句型“one of + the + 形容词最高级 + 可数名词复数”表示“最……之一”，此处需要使用最高级形式the most powerful，故选A。 21.We should speak English as ______ as possible to improve our English. A．many B．much C．more D．most 【答案】B 【详解】句意：我们应该尽可能多地说英语来提高我们的英语水平。 考查形容词和副词辨析。根据“as... as possible”可知，此处是固定搭配，意为“尽可能……”，中间用形容词或副词的原级，故排除C和D；many许多，形容词，修饰可数名词复数；much许多，可作形容词修饰不可数名词，也可作副词修饰动词；根据句中speak English“说英语”可知，此处需要一个副词来修饰动词speak。故选B。 22．He runs as ________ as a cheetah during our races at the park, and I always have to try my best to keep up. A．fast B．faster C．fastest D．the fastest 【答案】A 【详解】句意：在公园里我们赛跑时，他跑得和猎豹一样快，我总是必须竭尽全力才能跟上。 考查副词原级的用法。fast快速；faster更快，副词比较级；fastest最快，副词最高级；the fastest最快，副词最高级。as+副词原级+as，表示“和……一样”。故选A。 23．Although Peter is very old, he works as ________ as young people on the farm. A．hard B．harder C．hardly D．hardest 【答案】A 【详解】句意：尽管彼得年纪很大，但他在农场工作和年轻人一样努力。 考查副词的原级用法。hard努力地；harder更努力地；hardly几乎不；hardest最努力地。句中“as…as”结构表示“和……一样”，需要填入形容词或副词的原级。根据句意和语法结构，应选择副词原级“hard”。故选A。 24．The waitress talked as ________ as she could to make the customers understand her. A．clear B．clearer C．clearly D．more clearly 【答案】C 【详解】句意：女服务员尽量把话说得清楚些，使顾客能听懂她的话。 考查副词原级。clear形容词，清楚的；clearer比较级，更清楚的；clearly副词，清楚地；more clearly比较级，更清楚地。此处是“as…as…”结构，中间跟形容词或副词的原级，排除BD；空处修饰动词，应用副词，故选C。 25．（23-24七年级下·上海金山·期末）The students ran to the swimming pool as _______ as they can. A．quickly B．quick C．more quickly D．quicker 【答案】A 【详解】句意：学生们以最快的速度跑向游泳池。 考查副词。quickly快速地，副词；quick快速的，形容词；more quickly副词比较级；quicker形容词比较级。as+形容词/副词原级+as，此处需要副词修饰动词ran。故选A。 26．It’s necessary that we should do our homework as ________ as possible A．careful B．more careful C．carefully D．more carefully 【答案】C 【详解】句意：我们应该尽可能仔细地做作业，这是必要的。 考查副词原级。careful小心的，形容词原级；more careful更小心的，形容词比较级；carefully小心地，副词原级；more carefully更小心地，副词比较级。“as…as”中间应加形容词或副词原级，故排除B、D选项。此处应用副词carefully修饰动词do。故选C。 27．Jack can speak Chinese ________ English. A．as good as B．as well as C．as better as D．as best as 【答案】B 【详解】句意：Jack说中文能够和英文一样说得好。考查as...as结构。根据选项可知，此处是“as+形容词/副词的原级+as”的结构；又由题干“speak”可知，此处是修饰动词speak，应用副词well。故选B。 28．—Who ran faster, Joe or Tom? —I think Joe ran just _______ Tom. A．as fast as B．not as fast as C．as faster as D．more faster than 【答案】A 【详解】句意：——谁跑得快，乔还是汤姆？——我想乔跑得和汤姆一样快。 考查副词比较等级。not as...as中间要接形容词或副词的原级，排除C选项；结合“just”可知，此处表示“两人跑得一样快”，应用原级的比较，且是原级的肯定结构，故选A。 29．（21-22七年级下·江苏南通·期末）Don’t worry. She is _________ to look after your child, and she can look after him as ________ as you. A．carefully enough；patient B．careful enough；patient C．careful enough；patiently D．enough careful；patiently 【答案】C 【详解】句意：别担心。她足够细心去照顾你的孩子，她能像你一样耐心地把他照顾好。 考查enough后置和副词修饰动词。enough作副词时，意为“足够地”，可修饰形容词和副词，但必须后置；careful细心的，形容词；carefully细心地，副词；patient耐心的；形容词；patiently耐心地，副词。根据“She is”可知后接形容词作表语，因此第一空应选用形容词careful表示“细心的”，enough修饰形容词careful应后置，即为careful enough“足够细心”。look after sb“照顾某人”是动词短语，应用副词来修饰，肯定句中用“as+副词原级+as”结构，因此第二空应填副词patiently。故选C。 30．（21-22七年级下·江苏苏州·期中）— We have a new classmate, Steven ! — Yes, he comes from Australia, but he can speak Chinese ________ us. A．as good as B．as nice as C．as well as D．as better as 【答案】C 【详解】句意：——Steven，我们有一个新同学！——是的，他来自澳大利亚，但他中文说得和我们一样好。 考查副词原级。as…as中间接形容词或副词原级，排除D选项。good和nice是形容词，修饰动词speak，应用副词well，故选C。 31．（24-25七年级下·上海闵行·期中）John tries his best to run ________ than before in the race. A．quick B．more quick C．quickly D．more quickly 【答案】D 【详解】句意：在比赛中，约翰尽力跑得比以前快。 考查比较级。quick快的；quickly快地；more quickly更快地。根据“than”可知，此处用比较级形式；分析句子结构可知，此处用副词quickly，修饰动词run。故选D。 32．（24-25七年级下·上海浦东新·期中）He does homework ________ than his classmates. A．more careful B．most carefully C．more carefully D．carefully 【答案】C 【详解】句意：他做作业比他的同学们认真。考查副词比较级。more careful最仔细的；most carefully最仔细地；more carefully更仔细地；carefully仔细地。根据下文“than his classmates.”和语境可知，此空要用比较级，在句中作状语，修饰动词短语does homework。故选C。 33．My brother runs ________ than me. A．fast B．faster C．fastest D．the fastest 【答案】B 【详解】句意：我哥哥跑得比我快。 考查副词比较级。fast快地；faster更快地；fastest最快地；the fastest最快地。根据“My brother runs…than me.”可知，此处指的是两者之间的比较，应用副词“fast”的比较级。故选B。 34．Passengers prefer a high-speed train because it travels ________ than an ordinary train. A．much quickly B．most quickly C．quicker D．much more quickly 【答案】D 【详解】句意：乘客更喜欢高速列车，因为它比普通列车快得多。 考查副词比较级。much quickly不符合语法；most quickly最高级；quicker形容词比较级；much more quickly副词比较级。根据“than”可知，此处应用比较级，并且空处应用副词修饰动词travels。故选D。 35．（24-25七年级下·全国·单元测试）Tom drives a car ________ than his brother. A．quick B．quicker C．quickly D．more quickly 【答案】D 【详解】句意：汤姆开车比他弟弟更快。 考查形容词和副词的比较级。quick快的；quicker更快的；quickly快地；more quickly更快地。根据句中的“drives a car”可知，此处需要用副词来修饰动词“drives”，可排除AB选项；结合“than”可知，此处需用比较级。故选D。 36．She speaks English ________ than her brother. A．clear B．clearly C．more clearly D．most clearly 【答案】C 【详解】句意：她英语说得比她哥哥更清楚。考查副词的比较级。clear清楚的，形容词原级；clearly清楚地，副词原级；more clearly更清楚地，副词比较级；most clearly最清楚地，副词最高级。空处修饰动词speaks，用副词。根据“than”可知，空处要用副词clearly的比较级more clearly。故选C。 37．She runs ________ than her brother. A．fast B．faster C．fastest D．the fastest 【答案】B 【详解】句意：她跑得比她哥哥快。考查副词比较级。fast原级；faster比较级；fastest最高级；the fastest最高级。根据than可知用比较级，fast的比较级是faster。故选B。 38．Dear classmates, ________ you work, _______ results you’ll get. A．the more; the more B．the better; the harder C．the harder; the better D．the more; the harder 【答案】C 【详解】句意：亲爱的同学们，你学习越努力，成绩就越好。考查比较级。more更多；better更好；harder更努力。“the+比较级..., the+比较级...”表示“越……，越……”，第一空修饰动词work，用副词，第二空修饰名词，用形容词。结合题干语境可知，此处是指学习越努力，成绩就越好。故选C。 39．My sister works much ________than me, so I will learn from her. A．hard B．harder C．hardest D．the hardest 【答案】B 【详解】句意：我的妹妹比我工作要更努力，因此我要向她学习。 考查副词的比较级。hard原级，努力地；harder比较级，更努力地；hardest最高级，最努力地；the hardest最高级，最努力地。根据“much…than me”可知，此处要用比较级。故选B。 40．—Which sport do you like ________, swimming or running? —I like swimming better. A．good B．well C．better D．best 【答案】C 【详解】句意：——游泳和跑步，你更喜欢哪项运动？——我更喜欢游泳。 考查副词比较级。good好的；well好，副词；better更好；best最好。这里是在“swimming”和“running”两项运动之间进行比较，询问更喜欢哪一项，用比较级，“like...better”表示“更喜欢……”，故选C。 41．（24-25七年级下·上海徐汇·期中）Jack behaved ________ among all the athletes during the sports meeting. A．most wonderfully B．most wonderful C．wonderfully D．more wonderfully 【答案】A 【详解】句意：Jack是运动会期间所有参赛者中表现最好的。考查副词和形容词。most wonderfully副词最高级；most wonderful形容词最高级；wonderfully副词原级；more wonderfully副词比较级。根据behaved可知，空格处应填副词wonderfully修饰动词behaved；又因为句子中的among all the athletes可知，比较范围是所有的，用最高级。故选A。 42．—Why didn’t Mr. Wu choose Jack to do the class project? —Because he always does things ________ in his class. A．carefully B．less carefully C．the most carefully D．the least carefully 【答案】D 【详解】句意：—— 为什么吴老师没选杰克做班级项目？—— 因为他在班里做事总是最不认真。 考查副词最高级。根据 “in his class” 可知，比较范围是三者及以上，用最高级。根据“Why didn’t Mr. Wu choose Jack to do the class project?”说明杰克做事最不认真。故选 D。 43．According to Mary’s mother, Mary does ________ in English of all her subjects. A．good B．well C．better D．best 【答案】D 【详解】句意：据玛丽的母亲说，玛丽在所有学科中英语学得最好。 考查最高级用法。good好的，形容词；well好地，副词；better更好，比较级；best最好，最高级。根据“of all her subjects”可知，比较范围为三者以上，所以此处选填最高级。故选D。 44．Which season do you like ______? A．better B．best C．most D．more 【答案】B 【详解】句意：你最喜欢哪个季节？考查最高级。better更好；best最好；most最；more更。根据“Which season do you like ...”可知，是问最喜欢哪个季节，like ... best“最喜欢”。故选B。 45．—Who runs ________, Linda, Mike or you? —I think I am the fastest runner. A．faster B．fastest C．farther D．farthest 【答案】B 【详解】句意：——谁跑得最快，琳达，迈克还是你？  ——我想我是跑得最快的。 考查副词最高级及副词辨析。faster更快地；fastest最快地；farther更远地；farthest最远地。结合“Linda, Mike or you”可知，此处是在将他们三人做比较，在三者或三者以上的人或物中做比较要用最高级，再根据答语“I am the fastest runner”可知，此处是在询问谁跑得“最快”。故选B。 46．Of all the students in my class, Mary writes ________. A．the most carefully B．more carefully C．more careful D．the most careful 【答案】A 【详解】句意：在我班的所有学生中，梅西写得最仔细。 考查副词的最高级。the most carefully最仔细地；more carefully更仔细地；more careful更仔细的；the most careful最仔细的。分析句子结构可知，这里应用副词，做状语，修饰动词writes；根据“Of all the students in my class”可知，是三者以上比较，用最高级。故选A。 47．—There are lots of hotels around here. Why do you like this one? —Because it’s quiet and I sleep ________ here. A．most comfortably B．most comfortable C．more comfortably D．more comfortable 【答案】A 【详解】句意：——这附近有很多酒店。你为什么喜欢这个？——因为这里很安静，我睡得最舒服。 考查副词的用法以及副词最高级。此处修饰动词sleep用副词，排除BD；根据“There are lots of hotels around here.”可知在这个酒店睡得最舒服，故此处用副词的最高级。故选A。 48．Who usually comes to school ________ in your class? A．early B．earliest C．earlier D．the early 【答案】B 【详解】句意：你们班谁通常到得最早？考查最高级。early提早，原级；earliest最高级；earlier比较级。根据“in your class”可知，此处是在三者以上进行比较，应用最高级。故选B。 49．（22-23七年级下·江西赣州·期末）Who do you like ________, the English teacher, the math teacher or the Chinese teacher? A．best B．well C．good D．fine 【答案】A 【详解】句意：你最喜欢谁，英语老师、数学老师还是语文老师？ 考查最高级。根据“the English teacher, the math teacher or the Chinese teacher”可知，是三者比较，应用最高级best。故选A。 50．We held a concert in the hall yesterday, Kate sang _______ among the singers. A．good B．well C．better D．best 【答案】D 【详解】句意：昨天我们在大厅举行了一场音乐会，凯特在歌手中唱得最好。 考查最高级。good好的；well好地；better更好；best最好。根据“among the singers.”可知，三者及以上的比较，应用最高级，故选D。 学科网（北京）股份有限公司 $$ Unit5 Amazing nature 单元语法（讲义） 思维导图 形容词和副词的比较等级 （1）形容词和副词原级的用法 ①as＋形容词/副词的原级＋as，如：He runs as fast as Lucy. 他和露西跑得一样快。 ②not as/so＋形容词/副词的原级＋as，如：He doesn’t run as/so fast as Lucy. 他没有露西跑得快。 ③倍数＋as＋形容词/副词的原级＋as，如：This room is twice as large as that one. 这间屋子是那间屋子的两倍大。 （2）形容词和副词比较级的用法 ①形容词/副词的比较级＋than，如：He runs faster than Lucy. 他比露西跑得快。 ②倍数＋形容词/副词的比较级＋than，如：His house is twice bigger than mine. 他家比我家大两倍。 ③the＋形容词的比较级＋of the two＋复数名词，“两者中较……的一个”，如：He is the taller of the two boys. 他是两个男孩中个子较高的那个。 ④“形容词/副词的比较级＋and＋形容词/副词的比较级”或“more and more＋多音节形容词原级/副词的原级”，“越来越……”，如：As summer is coming， the day is becoming longer and longer. 夏天到了，白天变得越来越长。 ⑤the＋形容词/副词的比较级，the＋形容词/副词的比较级，“越……，就越……”，如：The harder you work， the greater progress you will make. 你工作越努力，取得的进步就越大。 ⑥a/an＋形容词的比较级＋名词单数/代词one，“一个更……的”，如：The dress is a little big for me， so I want to change it for a smaller one. 这条裙子对我来说有点儿大，所以我想换条小的。 ⑦修饰比较级的词有much， even， far， a little， twice， many times， a bit， rather等，如：It’s even hotter today. 今天更热了。 （3）形容词和副词最高级的用法（用于三者或三者以上比较） ①in/of/among短语表示范围时，或从句表示“所见过的/听过的/去过的/吃过的”等意思时，如： Qomolangma is the highest mountain in the world. 珠穆朗玛峰是世界上最高的山。 She is the most beautiful girl that I’ve ever seen. 她是我见过的最漂亮的女孩。 ②one of the ＋形容词的最高级＋复数名词，如： She is one of the tallest girls in our class. 她是我们班个子最高的女孩之一。 ③the＋序数词＋形容词的最高级＋单数名词＋范围，如： Hainan Island is the second largest island in China. 海南岛是中国第二大岛。 【拓展】比较级与最高级之间的转化 1.比较级＋than＋any （other）＋单数名词/the other＋复数名词，可表示最高级。如： Tom is the tallest student in his class.＝ Tom is taller than any other student in his class. ＝Tom is taller than the other students in his class. 2.“否定词＋比较级”也可表示最高级含义。如： －What a clear blue sky！ －Yes， I have never seen a more beautiful sky. （4）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 good/well→better→best　　　　　　 many/much→more→most bad/badly→worse→worst far→farther/further→farthest/furthest old→older/elder→oldest/eldest little→less→least 填形容词原形的判定方法 (1)位于名词前作定语； (2)位于be动词后作表语； (3)位于形容词短语中，其结构为：be动词+形容词+介词； (4)位于感官动词和连系动词look， sound，smell, taste, feel, seem, become, grow, get, turn, keep, remain之后作表语； (5)位于复合不定代词后作后置定语； (6)位于定冠词the后表示一类人； (7)位于固定句型It is+adj.(+for/of sb.)+to do sth.和make/keep/leave+ sb./sth.+adj.中； (8)位于“形容词+ and/or+形容词”结构中； (9)位于宾语之后作宾补，常与make，leave，keep等动词连用。 变比较等级 1.含有标志词than时要用比较级： 2.形容词前由表示程度的副词（词组）a little. a bit.a lot. much. even.far等修饰时，常用该形容词的比较级： 3. 根据语境判断，如：said no more； 4. 在固定结构中，如：the+比较级，the+比较级：one of the+形容词最高级+可数名词复数： 5.在形容词比较等级的常见结构中。 填副词原型的判定方法： （1） 修饰动词或动词短语 （2） 修饰形容词 （3） 修饰介词短语 （4） 位于句首作状语，修饰整个句子 变比较等级 1.含有标志词than时要用比较级： 2.副词前由表示程度的副词（词组）a little. a bit.a lot. much. even.far等修饰 3. 在固定结构中，如：the+比较级，the+比较级 4.在副词比较等级的常见结构中。 语法操练 1．（24-25七年级下·广东广州·期中）My house doesn’t have _________ my sister’s. A．as many furnitures as B．as much furniture as C．so many furnitures as D．so much furnitures as 2．）Mind health is as ________ as body health. A．important B．more important C．less important D．the most important 3．—Is your sister ______ than you? —No, she is as ______ as me. A．taller; tall B．tall; taller C．tallest; tall D．taller; tallest 4．To protect environment is ________ to take care of our lives. A．important B．the more important C．the most important D．as important as 5．Nick is as ________ as my brother. I love both of them. A．funny B．funnier C．funniest D．the funniest 6．The girl is 14 years old. She is as ________ as her mother. A．tall B．taller C．tallest D．the tallest 7．Be more careful! A miss is as ________ as a mile. A．good B．well C．better D．best 8．—What do you think of English? —I think English is as ________ as Chinese. A．useful B．more useful C．most useful D．the most useful 9．（24-25七年级下·北京·期中）Kate thinks green salad is ______ than hamburgers. A．healthy B．healthier C．healthiest D．the healthiest 10．（24-25七年级下·北京·期中）This book is ________ than the one I read last week. I can’t put it down! A．interesting B．more interesting C．most interesting D．the most interesting 11．（24-25七年级下·上海徐汇·期中）The sooner you start, the_________ you will finish your task. A．quickly B．more quickly C．quick D．quicker 12．（24-25七年级下·上海·期中）Mr. Li likes travelling by bus. It is ________ and more exciting. A．more cheap B．more cheaper C．much cheap D．much cheaper 13．If you learn more about safety rules, you will be much ________. A．safe B．safer C．the safest D．safely 14．The writer thinks that a balanced diet is ________ than a pill. A．important B．the most important C．more important D．less important 15．She runs faster ________ her brother. A．then B．than C．as D．like 16．This book is ______ than that one. A．interesting B．more interesting C．most interesting D．the most interesting 17．—What do you think of the story? —It’s ________ than I thought. A．funny B．funnier C．funniest D．the funniest 18．This flower is ________ in the whole garden. A．beautiful B．more beautiful C．most beautiful D．the most beautiful 19．（24-25七年级下·广东广州·期中）________ is one of the most important ________ in China. A．The Spring Festival; festivals B．The spring festival; festival C．The Spring Festival; festival D．The spring festival; festivals 20．（24-25七年级下·上海浦东新·期中）The lion is one of ________ animals in the forest. A．the most powerful B．more powerful C．powerful D．less powerful 21.We should speak English as ______ as possible to improve our English. A．many B．much C．more D．most 22．He runs as ________ as a cheetah during our races at the park, and I always have to try my best to keep up. A．fast B．faster C．fastest D．the fastest 23．Although Peter is very old, he works as ________ as young people on the farm. A．hard B．harder C．hardly D．hardest 24．The waitress talked as ________ as she could to make the customers understand her. A．clear B．clearer C．clearly D．more clearly 25．（23-24七年级下·上海金山·期末）The students ran to the swimming pool as _______ as they can. A．quickly B．quick C．more quickly D．quicker 26．It’s necessary that we should do our homework as ________ as possible A．careful B．more careful C．carefully D．more carefully 27．Jack can speak Chinese ________ English. A．as good as B．as well as C．as better as D．as best as 28．—Who ran faster, Joe or Tom? —I think Joe ran just _______ Tom. A．as fast as B．not as fast as C．as faster as D．more faster than 29．（21-22七年级下·江苏南通·期末）Don’t worry. She is _________ to look after your child, and she can look after him as ________ as you. A．carefully enough；patient B．careful enough；patient C．careful enough；patiently D．enough careful；patiently 30．（21-22七年级下·江苏苏州·期中）— We have a new classmate, Steven ! — Yes, he comes from Australia, but he can speak Chinese ________ us. A．as good as B．as nice as C．as well as D．as better as 31．（24-25七年级下·上海闵行·期中）John tries his best to run ________ than before in the race. A．quick B．more quick C．quickly D．more quickly 32．（24-25七年级下·上海浦东新·期中）He does homework ________ than his classmates. A．more careful B．most carefully C．more carefully D．carefully 33．My brother runs ________ than me. A．fast B．faster C．fastest D．the fastest 34．Passengers prefer a high-speed train because it travels ________ than an ordinary train. A．much quickly B．most quickly C．quicker D．much more quickly 35．（24-25七年级下·全国·单元测试）Tom drives a car ________ than his brother. A．quick B．quicker C．quickly D．more quickly 36．She speaks English ________ than her brother. A．clear B．clearly C．more clearly D．most clearly 37．She runs ________ than her brother. A．fast B．faster C．fastest D．the fastest 38．Dear classmates, ________ you work, _______ results you’ll get. A．the more; the more B．the better; the harder C．the harder; the better D．the more; the harder 39．My sister works much ________than me, so I will learn from her. A．hard B．harder C．hardest D．the hardest 40．—Which sport do you like ________, swimming or running? —I like swimming better. A．good B．well C．better D．best 41．（24-25七年级下·上海徐汇·期中）Jack behaved ________ among all the athletes during the sports meeting. A．most wonderfully B．most wonderful C．wonderfully D．more wonderfully 42．—Why didn’t Mr. Wu choose Jack to do the class project? —Because he always does things ________ in his class. A．carefully B．less carefully C．the most carefully D．the least carefully 43．According to Mary’s mother, Mary does ________ in English of all her subjects. A．good B．well C．better D．best 44．Which season do you like ______? A．better B．best C．most D．more 45．—Who runs ________, Linda, Mike or you? —I think I am the fastest runner. A．faster B．fastest C．farther D．farthest 46．Of all the students in my class, Mary writes ________. A．the most carefully B．more carefully C．more careful D．the most careful 47．—There are lots of hotels around here. Why do you like this one? —Because it’s quiet and I sleep ________ here. A．most comfortably B．most comfortable C．more comfortably D．more comfortable 48．Who usually comes to school ________ in your class? A．early B．earliest C．earlier D．the early 49．（22-23七年级下·江西赣州·期末）Who do you like ________, the English teacher, the math teacher or the Chinese teacher? A．best B．well C．good D．fine 50．We held a concert in the hall yesterday, Kate sang _______ among the singers. A．good B．well C．better D．best 学科网（北京）股份有限公司 $$