主谓一致（教师讲解卷）-2027年山东省（春季高考）《英语考点双析卷》第45卷（原卷版+解析版）

**基本信息** 聚焦主谓一致考点，通过单句到语篇的梯度训练，构建“基础语法-语境应用”的知识逻辑，助力一轮复习讲练结合。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |词汇语法（一）|10小题|单句单词适当形式填空，结合时态考查主谓一致|从动词形式变化切入，建立“主语特征-谓语形式”对应关系| |词汇语法（二）|10小题|单句选择，覆盖集体名词、学科名词等特殊主语|通过典型主语类型（如the police, physics）归纳主谓一致规则| |短文填空|10小题|语篇语法填空，在语境中综合运用主谓一致|实现单句规则到语篇应用的迁移，提升语言运用能力| |阅读理解|10小题|选择题，侧重语言理解与信息提取|间接强化语法知识在实际语境中的辨识与应用，培养思维品质|

编写说明：2027年山东省（春季高考）《英语考点双析卷》，依据最新版《中等职业学校英语课程标准》、山东省春季高考英语考试标准及历年高考真题进行编写。“考点双析”即围绕一个考点，一份是老师的讲解卷，一份是学生的练习卷，助力师生构建 “讲练结合” 的学习闭环，特别适用于第一轮高考复习。本专辑涵盖39个考点共78卷。 本卷是2027年山东省（春季高考）《英语考点双析卷》的第45卷，主要考查主谓一致。 2027年山东省（春季高考）《英语考点双析卷》 第45卷 主谓一致 教师讲解卷 一、词汇语法 （一）在本节中 用所给单词的适当形式填空，将答案填写在横线上。(共10小题;每小题2分,满分20分) 1. Over the last half century, shark and ray populations (drop) 71 percent, largely due to increased fishing pressure. 【答案】have dropped 【详解】句意：在过去的半个世纪里，鲨鱼和鳐鱼的种群数量下降了百分之七十一，主要源于捕捞压力的增大。“Over the last half century”为现在完成时标志时间状语，主语是复数，所以谓语动词为have dropped。 2．It (involve) “exercise snacks” — brief, intentional bursts of movement lasting five minutes or less. 【答案】involves 【详解】句意：它涉及“运动零食”—— 短暂的、有意识的五分钟或更短时间的运动爆发。主语为代词It，句子描述客观事实，为一般现在时，主语为第三人称单数，谓语动词involve“涉及”使用第三人称单数形式involves。 3．Since then Chou (found) several nonprofit schools. 【答案】has founded 【详解】句意：从那时起，周已经创办了几所非营利学校。根据时间状语“Since then”可知，句子描述的是从过去某一时间点开始一直持续到现在的动作，应用现在完成时，其结构为“have/has + 过去分词”。主语是第三人称单数，助动词用has，found表示“创办”，过去分词为founded。 4．Most recently, over the last fifty years, logic (find) new and important roles in computation and information processing. 【答案】has found 【详解】句意：最近，在过去的五十年里，逻辑学在计算和信息处理领域发挥了全新且重要的作用。根据时间状语“over the last fifty years”可知，句子表示动作从过去开始一直持续到现在，且对现在有影响，应用现在完成时，其结构为“have/has + 过去分词”。主语logic是不可数名词，助动词用has。 5．Now rural solar projects power farms and homes, and high-standard green farmland (cover) millions of km². 【答案】covers 【详解】句意：现在，农村太阳能项目为农场和家庭供电，高标准绿色农田面积达数百万平方千米。cover在并列分句中作谓语动词，此句描述的是现在的客观事实，用一般现在时。主语high-standard green farmland是单数，谓语动词用第三人称单数形式。 6．So far, research (show) our mental states directly influence our emotion. 【答案】has shown 【详解】句意：到目前为止，研究表明我们的精神状态直接影响我们的情绪。So far（到目前为止）是现在完成时的标志词，现在完成时的结构为“have/has +过去分词”。主语research是单数，所以用has，show的过去分词是shown。 7．Some buyers say besides saving money, purchasing pre-owned goods also (prevent) resource waste. 【答案】prevents 【详解】句意：一些买家表示，除了省钱，购买二手商品还能防止资源浪费。此处需要一个动词形式作谓语，陈述客观事实，使用一般现在时，主语为动名词短语purchasing pre-owned goods，句子为一般现在时，动名词作主语时谓语动词用单数形式。 8．Virtually, everyone (have) this experience: After a long, hard day, you lie in bed at night but just can’t fall asleep. 【答案】has 【详解】句意：几乎每个人都有过这种经历：劳累一天后夜里躺在床上却无法入睡。句子陈述客观常态用一般现在时，主语everyone为不定代词，谓语动词用第三人称单数形式has。 9．The sample, which is between 108 million and 115 million years old, (represent) a new species and can throw light on how these creatures developed. 【答案】represents 【详解】句意：这块距今已有1.08亿至1.15亿年历史的样本，代表着一个新物种，并且有助于弄清楚这类生物是如何进化演变的。空处作谓语，陈述客观事实，使用一般现在时，主语为单数名词，谓语动词使用第三人称单数形式。 10．Today, although the resource (limit) to scaffolding or remote housing projects, advocates have recently campaigned for its usage in modern construction. 【答案】is limited 【详解】考查时态和语态。句意：如今，尽管这种资源仅限于脚手架或偏远地区住房项目，但倡导者们最近一直在为其在现代建筑中的使用进行宣传。句子描述现在的客观情况，应用一般现在时。主语the resource与limit之间是被动关系，即“资源被限制”，所以要用一般现在时的被动语态“am/is/are +过去分词”，主语是单数，所以用is，limit的过去分词是limited。 （二）在本节中 阅读下列句子,为空白处选择适当的选项。(共10小题;每小题2分,满分20分) 11.The police ________ looking for the lost child. A．is B．are C．was D．were 【答案】B 【详解】句意：警察正在寻找那个失踪的孩子。 考查主谓一致。police“警察”是集体名词，通常表示复数概念，谓语动词用复数形式；根据句意“正在寻找”可知，时态为现在进行时，需用现在时复数are。故选B。 12．The family ________ watching TV now. A．is B．are C．was D．were 【答案】B 【详解】句意：这家人现在正在看电视。 考查主谓一致。句中时间状语now表明时态为现在时，排除C和D。“family” 是集合名词，当它指代家庭里的各个成员时，谓语动词用复数形式。句中 “一家人正在看电视” 强调的是每个家庭成员的动作，所以用are。故选B。 13．Physics ________ my favorite subject. A．is B．are C．was D．Were 【答案】A 【详解】句意：物理是我最喜欢的学科。 考查主谓一致。is是，单数；are是，复数；was是，过去式单数；were是，过去式复数。主语“Physics”虽然以-s结尾，但作为学科名称，通常视为单数名词，谓语动词需用单数形式，且句子表达一般现在的事实。故选A。 14．The old ________ taken good care of in our country. A．is B．are C．was D．were 【答案】B 【详解】句意：在我们国家，老年人得到了很好的照顾。 考查主谓一致。the old表示老年人，是复数概念，谓语动词需用复数形式；且句子描述一般情况，用一般现在时，be动词用are。故选B。 15．The United States ________ a developed country. A．is B．are C．was D．were 【答案】A 【详解】句意：美国是一个发达国家。 考查主谓一致。主语“The United States”是一个国家名称，表示“美国”这一整体概念，且句子描述的是客观事实，应用一般现在时，is符合语境。故选A。 16．The rest of the water ________ in the bottle. A．is B．are C．was D．were 【答案】A 【详解】句意：剩下的水在瓶子里。 考查主谓一致。is是，单数现在时；are是，复数现在时；was是，单数过去时；were是，复数过去时。主语“The rest of the water”中，中心词“water”为不可数名词，谓语动词需用单数形式；句子陈述一般事实，用一般现在时。故选A。 17．The rest of the students ________ in the classroom. A．is B．are C．was D．were 【答案】B 【详解】句意：其余的学生在教室里。 考查主谓一致。主语“The rest of the students”中“the rest of”后接复数名词“students”，因此主语为复数，且句子为一般现在时，谓语动词需用复数形式。故选B。 18．My family ________ a big one. A．is B．are C．was D．were 【答案】A 【详解】句意：我的家庭是一个大家庭。 考查主谓一致。主语“My family”在此句中指“家庭”这一整体概念，视为单数，且句子为一般现在时，因此谓语动词需用单数形式。故选A。 19．The team ________ playing well now. A．is B．are C．was D．were 【答案】A 【详解】句意：这支队伍现在打得很好。 考查主谓一致和时态。is是，单数现在时；are是，复数现在时；was是，单数过去时；were是，复数过去时。主语“The team”在此处指代一个整体，视为单数，且时间状语“now”表明为现在时，因此谓语动词需用单数现在时“is”。故选A。 20．Maths ________ not easy for me. A．is B．are C．was D．were 【答案】A 【详解】句意：数学对我来说不容易。 考查主谓一致。主语Maths是学科名称，作为单数名词使用，且句子表达一般现在的事实，谓语动词需用第三人称单数形式。故选A。 二、短文填空 在本节中,阅读下列短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式,并将答案写在对应处。(共10小题;每小题2分,满分20分) Strange things happened before the Tangshan earthquake. For several days on end, the water in the village wells 21 (rise) and fell. The well walls had deep cracks. Chickens and pigs were too nervous 22 (eat). At 3:42 on the morning of 28 July, 1976, everything began to shake. 23 seemed as if the world were coming to an end! Nearly one third of China felt the power of the quake. Hard hills of rock became rivers of dirt. Within one minute, 24 whole city lay in ruins — almost everything was destroyed. Two thirds of people there died or got 25 (injure). People were 26 (shock) at this and what was worse, then another big quake hit Tangshan again. People got into deep trouble, 27 (wonder) how long the disaster would last. The army organized teams to dig out those 28 were trapped and to bury the dead. Workers built shelters for 29 (survivor). Fresh water was taken to the city. Gradually, the city began to breathe again. With effective support from the government and the tireless efforts of the city's people, a new Tangshan was 30 (final) built on the earthquake ruins. 21._________ 22._________ 23._________ 24._________ 25._________ 26._________ 27._________ 28._________ 29._________ 30._________ 【导语】文章主要讲述了1976年唐山大地震发生前后的异常现象、地震造成的巨大破坏以及灾后救援和重建工作。 21．【答案】rose 【详解】考查动词时态。句意：连续几天，村里井里的水忽涨忽落。设空处与后面的fell由and连接，构成并列谓语，时态应保持一致，故rise也应用过去式rose。 22．【答案】 to eat 【详解】考查非谓语动词。句意：鸡和猪紧张得吃不下东西。此处为固定搭配too...to...，意为“太……而不能……”，too后接形容词或副词，to后接动词原形。 23. 【答案】 It 【详解】考查it作形式主语。句意：好像世界末日即将来临！此处为固定句型“It seems/seemed as if...”，意为“似乎/好像……”。 24．【答案】 the 【详解】考查冠词。句意：不到一分钟，整座城市就沦为废墟——几乎所有东西都被摧毁了。分析句子结构可知，whole表示“整个的”时，其前通常要加定冠词the，the whole city意为“整座城市”。 25．【答案】 injured 【详解】考查形容词。句意：那里三分之二的人死亡或受伤。分析句子结构可知，设空处与got构成系表结构，get injured为固定搭配，意为“受伤”，injured“受伤的”，在句中作表语。 26．【答案】 shocked 【详解】考查形容词。句意：人们对此感到震惊，更糟糕的是，随后另一场大地震再次袭击了唐山。设空处与were构成系表结构，be shocked at为固定搭配，意为“对……感到震惊”，shocked“感到震惊的”，在句中作表语，修饰人。 27．【答案】 wondering 【详解】考查非谓语动词。句意：人们陷入了深深的困境，想知道这场灾难还会持续多久。句中已有谓语动词got，设空处应用非谓语动词；wonder与其逻辑主语People之间为主动关系，应用现在分词，作伴随状语。 28．【答案】 who/that 【详解】考查定语从句。句意：军队组织队伍挖掘被困人员并埋葬死者。设空处引导限定性定语从句，先行词为those，指代人，关系词在从句中作主语，应用关系代词who或that引导该定语从句。 29．【答案】 survivors 【详解】考查名词复数。句意：工人们为幸存者搭建避难所。设空处作介词for的宾语，应用名词形式；survivor为可数名词，根据语境可知，此处表示泛指，且幸存者不止一人，应用复数形式。 30．【答案】 finally 【详解】考查副词。句意：在政府的有力支持和市民的不懈努力下，一座新的唐山最终在地震废墟上建立起来。设空处修饰动词built，应用副词形式；final为形容词，其副词形式为finally，意为“最终，终于”。 三、阅读理解 在本节中 阅读下列短文,为短文后问题选择合适的答案，并将答案写在对应处。(共10小题;每小题2分,满分20分) A The Chinese lunar calendar divides the year into 24 solar terms (节气). Cold Dew is the 17th solar term of the year, which falls on October 8 or 9. Cold Dew, known as “Hanlu” in Chinese, is regarded as the real end of autumn, when the day comes with a wet land and dew drops shine over leaves and flowers. It’s much colder than White Dew. During Cold Dew, temperatures decrease quickly and sunshine cannot reach deep waters. Fish swim to shallow waters where the temperature is higher. It is a good season to enjoy pomegranates (石榴) around Cold Dew. Pomegranates have been praised for their outstanding beauty, smell, color, and health role for centuries. There is a saying that says “It is time to harvest hawthorn (山楂) during Cold Dew.” The fruit has long been used in Chinese medicine. Hawthorn is thought to be good for heart health by making blood vessels (血管) strong and stimulating (促进) blood flow. Southern Hunan Province is a famous area for producing tea seed oil. Cold Dew is the right time to pick the seeds. 【导语】本文主要介绍了二十四节气中的寒露。 31．Which solar term is Cold Dew in a year? A．The 16th. B．The 17th. C．The 18th. D．The 19th. 【答案】B 【详解】根据第一段“Cold Dew is the 17th solar term of the year...”可知，寒露是一年中的第17个节气。 32．When does Cold Dew usually fall? A．In September. B．On October 7. C．Between October 8 or 9. D．In November. 【答案】C 【详解】根据第一段“...which falls on October 8 or 9.”可知，寒露通常落在10月8日至9日之间。 33．Why do fish swim to shallow waters during Cold Dew? A．Because there is more food in shallow waters. B．Because the temperature in shallow waters is higher. C．Because they like to play in shallow waters. D．Because deep waters are too dark. 【答案】B 【详解】根据第三段“Fish swim to shallow waters where the temperature is higher.”可知，鱼游向浅水是因为那里温度更高。 34．What is NOT a reason why pomegranates are praised? A．Their beauty. B．Their smell. C．Their price. D．Their health role. 【答案】C 【详解】根据第四段“Pomegranates have been praised for their outstanding beauty, smell, color, and health role...”可知，石榴因美丽、气味、颜色和健康作用受赞誉，文中未提及价格（price）。 35．What would the best title for the passage be? A．Cold Dew is known as “Hanlu” in Chinese. B．Plants during Cold Dew. C．The history of Cold Dew. D．The introduction of Cold Dew. 【答案】D 【详解】通读全文可知，文章介绍了寒露的时间、气候特点、动物习性以及相关植物和习俗，是对寒露节气的综合介绍。选项D“寒露的介绍”最符合文意。 B Families from different parts of the world have their own ways to celebrate special days. Let’s look at two family celebrations from around the world. Father’s Day Many countries celebrate Father’s Day on the third Sunday in June. On this day, sons and daughters show their love and respect for their fathers. They usually give their dad a nice gift. Younger children often write poems or draw pictures for their dad. Some families also have a big meal together to make the day special. Twins Days Festival The Twins Days Festival is a special celebration in Ohio, the USA．It takes place on the first full weekend in August every year. Twins from all over the country go there to celebrate. They take part in a big parade and many fun activities. They also take photos with other twins and share stories about their lives. These celebrations help families get together and show their love for each other. 【导语】本文介绍了世界上两种不同的家庭特殊庆祝活动，分别说明了父亲节和美国俄亥俄州双胞胎节的庆祝时间、庆祝内容，指出这类庆祝活动能够帮助家人团聚、传递彼此的爱意。 36．When do many countries celebrate Father’s Day? A．On the first Sunday in June. B．On the second Sunday in June. C．On the third Sunday in June. D．On the fourth Sunday in June. 【答案】C 【详解】第二段指出：“Many countries celebrate Father’s Day on the third Sunday in June.”，说明父亲节是六月的第三个星期日。 37．What do younger children often do for their dad on Father’s Day? A．They cook a big meal. B．They write poems or draw pictures. C．They take a trip with their dad. D．They buy an expensive gift. 【答案】B 【详解】第二段指出：“Younger children often write poems or draw pictures for their dad.”，说明年幼的孩子们经常为爸爸写诗或画画。 38．Where is the Twins Days Festival held? A．In New York, the USA． B．In Ohio, the USA． C．In London, the UK. D．In Beijing, China. 【答案】B 【详解】第三段提到：“The Twins Days Festival is a special celebration in Ohio, the USA.”，说明双胞胎节在美国俄亥俄州举行。 39．What do twins do at the Twins Days Festival? A．They have a big dinner with their family. B．They watch a movie with friends. C．They take part in a parade and fun activities. D．They go shopping with their parents. 【答案】C 【详解】第三段提到：“They take part in a big parade and many fun activities.”，说明双胞胎会参加大游行和多种有趣的活动。 40．What is the main idea of the passage? A．Different family celebrations around the world. B．How to make gifts for fathers. C．The life of twins in the USA． D．Special days for children to have fun. 【答案】A 【详解】文章开篇点明主题，介绍世界各地不同的家庭庆祝活动，随后举例介绍两个不同的家庭庆祝活动，核心内容为世界各地不同的家庭庆祝活动 试卷第1页，共3页 原创精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 $ 编写说明：2027年山东省（春季高考）《英语考点双析卷》，依据最新版《中等职业学校英语课程标准》、山东省春季高考英语考试标准及历年高考真题进行编写。“考点双析”即围绕一个考点，一份是老师的讲解卷，一份是学生的练习卷，助力师生构建 “讲练结合” 的学习闭环，特别适用于第一轮高考复习。本专辑涵盖39个考点共78卷。 本卷是2027年山东省（春季高考）《英语考点双析卷》的第45卷，主要考查主谓一致。 2027年山东省（春季高考）《英语考点双析卷》 第45卷 主谓一致 教师讲解卷 一、词汇语法 （一）在本节中 用所给单词的适当形式填空，将答案填写在横线上。(共10小题;每小题2分,满分20分) 1. Over the last half century, shark and ray populations (drop) 71 percent, largely due to increased fishing pressure. 2．It (involve) “exercise snacks” — brief, intentional bursts of movement lasting five minutes or less. 3．Since then Chou (found) several nonprofit schools. 4．Most recently, over the last fifty years, logic (find) new and important roles in computation and information processing. 5．Now rural solar projects power farms and homes, and high-standard green farmland (cover) millions of km². 6．So far, research (show) our mental states directly influence our emotion. 7．Some buyers say besides saving money, purchasing pre-owned goods also (prevent) resource waste. 8．Virtually, everyone (have) this experience: After a long, hard day, you lie in bed at night but just can’t fall asleep. 9．The sample, which is between 108 million and 115 million years old, (represent) a new species and can throw light on how these creatures developed. 10．Today, although the resource (limit) to scaffolding or remote housing projects, advocates have recently campaigned for its usage in modern construction. （二）在本节中 阅读下列句子,为空白处选择适当的选项。(共10小题;每小题2分,满分20分) 11.The police ________ looking for the lost child. A．is B．are C．was D．were 12．The family ________ watching TV now. A．is B．are C．was D．were 13．Physics ________ my favorite subject. A．is B．are C．was D．Were 14．The old ________ taken good care of in our country. A．is B．are C．was D．were 15．The United States ________ a developed country. A．is B．are C．was D．were 16．The rest of the water ________ in the bottle. A．is B．are C．was D．were 17．The rest of the students ________ in the classroom. A．is B．are C．was D．were 18．My family ________ a big one. A．is B．are C．was D．were 19．The team ________ playing well now. A．is B．are C．was D．were 20．Maths ________ not easy for me. A．is B．are C．was D．were 二、短文填空 在本节中,阅读下列短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式,并将答案写在对应处。(共10小题;每小题2分,满分20分) Strange things happened before the Tangshan earthquake. For several days on end, the water in the village wells 21 (rise) and fell. The well walls had deep cracks. Chickens and pigs were too nervous 22 (eat). At 3:42 on the morning of 28 July, 1976, everything began to shake. 23 seemed as if the world were coming to an end! Nearly one third of China felt the power of the quake. Hard hills of rock became rivers of dirt. Within one minute, 24 whole city lay in ruins — almost everything was destroyed. Two thirds of people there died or got 25 (injure). People were 26 (shock) at this and what was worse, then another big quake hit Tangshan again. People got into deep trouble, 27 (wonder) how long the disaster would last. The army organized teams to dig out those 28 were trapped and to bury the dead. Workers built shelters for 29 (survivor). Fresh water was taken to the city. Gradually, the city began to breathe again. With effective support from the government and the tireless efforts of the city's people, a new Tangshan was 30 (final) built on the earthquake ruins. 21._________ 22._________ 23._________ 24._________ 25._________ 26._________ 27._________ 28._________ 29._________ 30._________ 三、阅读理解 在本节中 阅读下列短文,为短文后问题选择合适的答案，并将答案写在对应处。(共10小题;每小题2分,满分20分) A The Chinese lunar calendar divides the year into 24 solar terms (节气). Cold Dew is the 17th solar term of the year, which falls on October 8 or 9. Cold Dew, known as “Hanlu” in Chinese, is regarded as the real end of autumn, when the day comes with a wet land and dew drops shine over leaves and flowers. It’s much colder than White Dew. During Cold Dew, temperatures decrease quickly and sunshine cannot reach deep waters. Fish swim to shallow waters where the temperature is higher. It is a good season to enjoy pomegranates (石榴) around Cold Dew. Pomegranates have been praised for their outstanding beauty, smell, color, and health role for centuries. There is a saying that says “It is time to harvest hawthorn (山楂) during Cold Dew.” The fruit has long been used in Chinese medicine. Hawthorn is thought to be good for heart health by making blood vessels (血管) strong and stimulating (促进) blood flow. Southern Hunan Province is a famous area for producing tea seed oil. Cold Dew is the right time to pick the seeds. 31．Which solar term is Cold Dew in a year? A．The 16th. B．The 17th. C．The 18th. D．The 19th. 32．When does Cold Dew usually fall? A．In September. B．On October 7. C．Between October 8 or 9. D．In November. 33．Why do fish swim to shallow waters during Cold Dew? A．Because there is more food in shallow waters. B．Because the temperature in shallow waters is higher. C．Because they like to play in shallow waters. D．Because deep waters are too dark. 34．What is NOT a reason why pomegranates are praised? A．Their beauty. B．Their smell. C．Their price. D．Their health role. 35．What would the best title for the passage be? A．Cold Dew is known as “Hanlu” in Chinese. B．Plants during Cold Dew. C．The history of Cold Dew. D．The introduction of Cold Dew. B Families from different parts of the world have their own ways to celebrate special days. Let’s look at two family celebrations from around the world. Father’s Day Many countries celebrate Father’s Day on the third Sunday in June. On this day, sons and daughters show their love and respect for their fathers. They usually give their dad a nice gift. Younger children often write poems or draw pictures for their dad. Some families also have a big meal together to make the day special. Twins Days Festival The Twins Days Festival is a special celebration in Ohio, the USA．It takes place on the first full weekend in August every year. Twins from all over the country go there to celebrate. They take part in a big parade and many fun activities. They also take photos with other twins and share stories about their lives. These celebrations help families get together and show their love for each other. 36．When do many countries celebrate Father’s Day? A．On the first Sunday in June. B．On the second Sunday in June. C．On the third Sunday in June. D．On the fourth Sunday in June. 37．What do younger children often do for their dad on Father’s Day? A．They cook a big meal. B．They write poems or draw pictures. C．They take a trip with their dad. D．They buy an expensive gift. 38．Where is the Twins Days Festival held? A．In New York, the USA． B．In Ohio, the USA． C．In London, the UK. D．In Beijing, China. 39．What do twins do at the Twins Days Festival? A．They have a big dinner with their family. B．They watch a movie with friends. C．They take part in a parade and fun activities. D．They go shopping with their parents. 40．What is the main idea of the passage? A．Different family celebrations around the world. B．How to make gifts for fathers. C．The life of twins in the USA． D．Special days for children to have fun. 试卷第1页，共3页 原创精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 $