Unit 1 Travel（A卷·基础巩固）《英语 基础模块2》（高教版第三版）单元过关卷（原卷版+解析版）

编写说明：本套试卷紧扣《英语 基础模块2》（高教版第三版）教材，以教材单元为基准精准覆盖核心考点。 每个单元设置AB卷，A卷为基础巩固卷，侧重基础考点训练，帮助学生扎实掌握知识要点；B卷为能力提升卷，注重知识整合与全面检测，引导学生构建知识网络。全书设计4份综合测试卷，模拟实战情境，聚焦解题能力突破，全面提升应试能力与知识应用水平。 《英语 基础模块2》（高教版第三版）《单元过关卷》 Unit 1 Travel A卷·基础巩固 时间：70分钟 总分：100分 班级 姓名 学号 成绩 综合卷Ⅰ（75分） 一、词汇与语法（共25小题，每小题1分，满分25分） （一）单词辨音 从下列各小题的A、B、C三个选项中选出一个画线部分发音与所给单词的画线部分发音相同的选项。（共5小题，每小题1分，共5分） 1．travel A．map B．name C．cat 【答案】A 【详解】考查字母 a 的发音。所给单词 “travel” 中 a 发 /æ/；选项 A “map” 中 a 发 /æ/，选项 B “name” 中 a 发 /eɪ/，选项 C “cat” 中 a 发 /æ/。故选 A。 2．record A．work B．horse C．world 【答案】B 【详解】考查字母组合 or 的发音。所给单词 “record” 中 or 发 /ɔː/；选项 A “work” 中 or 发 /ɜː/，选项 B “horse” 中 or 发 /ɔː/，选项 C “world” 中 or 发 /ɜː/。故选 B。 3．quit A．quite B．queen C．quality 【答案】C 【详解】考查字母组合 qu 的发音。所给单词 “quit” 中 qu 发 /kw/；选项 A “quite” 中 qu 发 /kw/，选项 B “queen” 中 qu 发 /kw/，选项 C “quality” 中 qu 发 /kw/。故选 C。 4．journey A．monkey B．they C．key 【答案】A 【详解】考查字母组合 ey 的发音。所给单词 “journey” 中 ey 发 /i/；选项 A “monkey” 中 ey 发 /i/，选项 B “they” 中 ey 发 /eɪ/，选项 C “key” 中 ey 发 /iː/。故选 A。 5．luggage A．rule B．summer C．blue 【答案】B 【详解】考查字母 u 的发音。所给单词 “luggage” 中 u 发 /ʌ/；选项 A “rule” 中 u 发 /uː/，选项 B “summer” 中 u 发 /ʌ/，选项 C “blue” 中 u 发 /uː/。故选 B。 （二）词义选择 从下列各小题的A、B、C三个选项中选出一个与句子中画线的英文单词或短语含义相符的中文选项。（共10小题，每小题1分，共10分） 6．Please take your luggage with you when you leave the hotel. A．行李 B．门票 C．地图 【答案】A 【详解】考查单词词义。luggage 意为 “行李”。故选 A。 7．The discovery of the ancient city surprised everyone. A．发明 B．发现 C．建设 【答案】B 【详解】考查单词词义。discovery 意为 “发现”。故选 B。 8．They will set off for Beijing early tomorrow morning. A．出发 B．到达 C．返回 【答案】A 【详解】考查短语词义。set off 意为 “出发”。故选 A。 9．You should avoid traveling during the holidays. A．选择 B．避免 C．享受 【答案】B 【详解】考查单词词义。avoid 意为 “避免”。故选 B。 10．It rained throughout the whole weekend. A．在...期间 B．遍及 C．穿过 【答案】A 【详解】考查单词词义。throughout 意为 “在…… 期间”。故选 A。 11．He made every effort to finish the work on time. A．错误 B．努力 C．计划 【答案】B 【详解】考查单词词义。effort 意为 “努力”。故选 B。 12．We visited many local scenic spots in Yunnan. A．本地的 B．著名的 C．偏远的 【答案】A 【详解】考查单词词义。local 意为 “本地的”。故选 A。 13．Xu Xiake never gave up his dream of traveling. A．实现 B．放弃 C．改变 【答案】B 【详解】考查短语词义。gave up 意为 “放弃”。故选 B。 14．Traveling abroad is a wonderful experience. A．实验 B．表达 C．经历 【答案】C 【详解】考查单词词义。experience 意为 “经历”。故选 C。 15．He finally arrived at the hotel after a long journey. A．突然 B．幸运地 C．终于 【答案】C 【详解】考查单词词义。finally 意为 “终于”。故选 C。 （三）语法运用 从下列各小题的A、B、C三个选项中选出一个最佳选项填入空白处完成句子。（共10小题，每小题1分，共10分） 16．Xu Xiake ______ over 30 years traveling throughout the country. A．spends B．spent C．spending 【答案】B 【详解】考查一般过去时。徐霞客游历是过去发生的事，spend 的过去式为 spent。故选 B。 17．They ______ the hotel yesterday evening. A．reach B．reaches C．reached 【答案】C 【详解】考查一般过去时。yesterday evening 是过去时间，reach 的过去式为 reached。故选 C。 18．______ you go to the Great Wall last summer? A．Do B．Did C．Does 【答案】B 【详解】考查一般过去时的一般疑问句。last summer 是过去时间，助动词用 Did。故选 B。 19．Marco Polo ______ about his travels along the Silk Road. A．write B．wrote C．writes 【答案】B 【详解】考查一般过去时。马可・波罗写书是过去发生的事，write 的过去式为 wrote。故选 B。 20．We ______ not know the answer at that time. A．do B．does C．did 【答案】C 【详解】考查一般过去时。at that time 是过去时间，助动词用 did。故选 C。 21．There ______ a book and two pens on the desk. A．is B．are C．have 【答案】A 【详解】考查 there be 句型的就近原则。靠近 be 动词的是 a book，为单数，用 is。故选 A。 22．My mother often ______ breakfast at 7 o'clock. A．cook B．cooks C．cooked 【答案】B 【详解】考查一般现在时。often 是一般现在时标志，主语 my mother 是第三人称单数，cook 用 cooks。故选 B。 23．I like ______ English songs in my free time. A．singing B．sing C．sings 【答案】A 【详解】考查固定搭配。like doing sth. 意为 “喜欢做某事”，sing 的动名词为 singing。故选 A。 24．He is ______ honest man. A．a B．an C．the 【答案】B 【详解】考查冠词。honest 以元音音素开头，用不定冠词 an。故选 B。 25．______ beautiful the mountains are! A．What B．How C．What a 【答案】B 【详解】考查感叹句。感叹句结构：How + 形容词 + 主语 + 谓语！beautiful 是形容词，用 How 引导。故选 B。 二、情景交际（共15小题，每小题2分，共30分） (一)简短对话 从下列各小题的A、B、C三个选项中选出一个最佳选项完成对话。（共10小题，每小题2分，共20分） 26．Speaker A: I'd like to book a double room for three nights, please. Speaker B: ______ A．Of course. Your room number is 302. B．I'm sorry to hear that. C．It doesn't matter. 【答案】A 【详解】考查情景交际。对方预订房间，应回应并告知房间信息。故选 A。 27．Speaker A: Welcome to Beijing! How was your flight? Speaker B: ______ A．It was great, thank you! B．I don't like flying. C．Yes, it is. 【答案】A 【详解】考查情景交际。对方询问航班情况，应礼貌回应。故选 A。 28．Speaker A: Could you tell us more about the local food here? Speaker B: ______ A．I'm not hungry. B．Sure! Let me introduce some famous dishes. C．Yes, I can. 【答案】B 【详解】考查情景交际。对方请求介绍当地美食，应欣然应允并介绍。故选 B。 29．Speaker A: What time will we arrive at the scenic spot? Speaker B: ______ A．By bus. B．In about 20 minutes. C．It's a beautiful place. 【答案】B 【详解】考查情景交际。对方询问到达时间，应回答时间。故选 B。 30．Speaker A: How much is the ticket for the museum? Speaker B: ______ A．It's free for students. B．I'd like two tickets, please. C．The museum is closed. 【答案】A 【详解】考查情景交际。对方询问票价，应回答票价相关信息。故选 A。 31．Speaker A: I'm sorry, we are fully booked for that date. Speaker B: ______ A．That's all right. B．How about the next day? C．Thank you very much. 【答案】B 【详解】考查情景交际。对方告知当日订满，可询问次日情况。故选 B。 32．Speaker A: Have a good trip! Speaker B: ______ A．The same to you. B．Yes, I have. C．Not at all. 【答案】A 【详解】考查情景交际。对方祝旅途愉快，应回应你也一样。故选 A。 33．Speaker A: What interesting places can we visit in this city? Speaker B: ______ A．I like interesting places. B．The Great Wall is worth visiting. C．I visited it last year. 【答案】B 【详解】考查情景交际。对方询问可参观的景点，应推荐景点。故选 B。 34．Speaker A: Excuse me, could you tell me the way to the hotel? Speaker B: ______ A．Yes, I could. B．Go along this street and turn left. C．It's a nice hotel. 【答案】B 【详解】考查情景交际。对方询问路线，应告知具体路线。故选 B。 35．Speaker A: Thank you for your help during the trip. Speaker B: ______ A．You're welcome. B．I need help too. C．Never mind. 【答案】A 【详解】考查情景交际。对方表示感谢，应回应不客气。故选 A。 （二）补全对话 在以下情景对话中有五个空白处，从对话下方的七个备选项中选择恰当的句子补全对话。（共5小题，每小题2分，共10分） Guide: Good morning, everyone! Welcome to Shangri-La! Tourist: 36 Guide: It is famous for its snowy mountains and ethnic culture. Tourist: 37 Guide: About 20 minutes by bus from here. Tourist: 38 Guide: Yes. You can also try the local food and watch traditional dances. Tourist: 39 Guide: Sure! We'll be there before lunch. Tourist: 40 Guide: You're welcome! A．Can we visit the mountains today? B．How far is it from here? C．What is it famous for? D．I can't wait to get there! E．Will we have lunch there? F．That sounds wonderful! Thank you! G．Are there any special activities? 36．【答案】C 【详解】根据答句 “It is famous for its snowy mountains and ethnic culture.” 可知，问句询问以什么闻名。故选 C。 37．【答案】B 【详解】根据答句 “About 20 minutes by bus from here.” 可知，问句询问距离。故选 B。 38．【答案】G 【详解】根据答句 “Yes. You can also try the local food and watch traditional dances.” 可知，问句询问是否有特别活动。故选 G。 39．【答案】A 【详解】根据答句 “Sure! We'll be there before lunch.” 可知，问句询问能否参观山脉。故选 A。 40．【答案】F 【详解】根据答句 “You're welcome!” 可知，此处表达感谢。故选 F。 三、阅读理解（共10小题，每小题2分，共20分） 阅读下列两篇短文，根据短文内容从每题所给的A、B、C三个选项中选出一个最佳选项。 A Xu Xiake (1587-1641) was a famous traveler in the Ming Dynasty. He became interested in books about different places at an early age and wanted to travel. When he was 19, his father died, and he had to take care of his mother. However, Xu never gave up his dream of traveling. With the support of his family, Xu set off for the first time at the age of 22 and took four major trips in his lifetime. In order to take more first-hand experiences, he avoided traveling comfortably. Xu chose to go almost everywhere on foot and carried his luggage on his back. Although he experienced all sorts of difficulties, Xu never thought of quitting. Xu spent over 30 years traveling throughout the country. He carefully studied the places he passed through and recorded his experiences and discoveries in his diary. Due to his efforts, the diary finally became The Travel Notes of Xu Xiake. It is well known for its value in Chinese history. 41．When was Xu Xiake born? A．In 1587. B．In 1622. C．In 1641. 42．Why did Xu Xiake travel on foot? A．Because he had no money. B．To take more first-hand experiences. C．Because he liked walking. 43．How many major trips did Xu Xiake take in his lifetime? A．Two. B．Three. C．Four. 44．What is The Travel Notes of Xu Xiake about? A．His family life. B．His travel experiences and discoveries. C．Chinese history. 45．What can we learn from Xu Xiake? A．Never give up our dreams. B．Travel is not important. C．Reading is better than traveling. 41．【答案】A 【详解】根据文中 “Xu Xiake (1587-1641) was a famous traveler in the Ming Dynasty.” 可知，徐霞客出生于 1587 年。故选 A。 42．【答案】B 【详解】根据文中 “In order to take more first-hand experiences, he avoided traveling comfortably.” 可知，他步行是为了获取更多一手体验。故选 B。 43．【答案】C 【详解】根据文中 “took four major trips in his lifetime” 可知，他一生进行了四次主要旅行。故选 C。 44．【答案】B 【详解】根据文中 “recorded his experiences and discoveries in his diary. Due to his efforts, the diary finally became The Travel Notes of Xu Xiake.” 可知，《徐霞客游记》记录了他的旅行经历和发现。故选 B。 45．【答案】A 【详解】根据文中 “Xu never gave up his dream of traveling.” 可知，我们应学习他永不放弃梦想的精神。故选 A。 B Traveling is one of the best ways to learn about the world. When you travel to a new place, you can see different sights, taste new food, and meet interesting people. Many students like traveling during their holidays. There are some important things to remember before you travel. First, you should make a travel plan. You need to decide where to go, how to get there, and where to stay. Second, you should pack your luggage carefully. Don't forget to take your ID card, some clothes, and medicine. Third, you should learn some information about the place you will visit. Traveling can help you relax and learn new things. But remember to travel safely and respect local customs. 46．According to the passage, what is one benefit of traveling? A．Making money. B．Learning about the world. C．Buying new clothes. 47．What should you do first before traveling? A．Pack your luggage. B．Buy a ticket. C．Make a travel plan. 48．Which of the following should you take when traveling? A．A computer. B．An ID card. C．A TV. 49．What does the word "relax" mean in the passage? A．放松 B．紧张 C．运动 50．What is the main idea of the passage? A．Traveling tips for students. B．How to make money by traveling. C．The best places to visit. 46．【答案】B 【详解】根据文中 “Traveling is one of the best ways to learn about the world.” 可知，旅行的好处是了解世界。故选 B。 47．【答案】C 【详解】根据文中 “First, you should make a travel plan.” 可知，旅行前首先要制定计划。故选 C。 48．【答案】B 【详解】根据文中 “Don't forget to take your ID card, some clothes, and medicine.” 可知，旅行要带身份证。故选 B。 49．【答案】A 【详解】考查单词词义。relax 意为 “放松”。故选 A。 50．【答案】A 【详解】根据文中 “Many students like traveling during their holidays.” 和旅行建议内容可知，文章主旨是给学生的旅行建议。故选 A。 综合卷Ⅱ（25分） 四、英汉互译（共5小题，每小题3分，共15分） 将下列51—53小题的英文句子翻译成中文,54、55小题中文句子翻译成英文(括号中的英文提示词供翻译参考)。 51．We should take care of our environment when traveling. 52．He gave up his dream because of his family. 53．It is worth visiting the Great Wall. 54．他们去年夏天去了北京旅游。（last summer） 55．徐霞客花了30多年的时间游历全国。（spend） 51．【答案】旅行时我们应该爱护环境。 52．【答案】他因为家庭原因放弃了自己的梦想。 53．【答案】长城值得一游。 54．【答案】They traveled to Beijing last summer. 55．【答案】Xu Xiake spent over 30 years traveling throughout the country. 五、应用写作（本大题共10分） 根据提示完成通知填空，每空一词或短语。 NOTICE To: All students of Grade 2 From: 56 (学校旅行社) Date: October 15, 2026 Subject: Autumn Trip to Shangri-La We will go on a trip to 57 (香格里拉) this Saturday. We will meet at the school gate at 58 (上午7点半) . Please bring your 59 (身份证) and some warm clothes. Don't 60 (迟到) ! 56．____________________ 57．____________________ 58．____________________ 59．____________________ 60．____________________ 56．【答案】School Travel Agency 57．【答案】Shangri-La 58．【答案】7:30 a.m. 59．【答案】ID card 60．【答案】be late 学科网（北京）股份有限公司 ( 1 )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：本套试卷紧扣《英语 基础模块2》（高教版第三版）教材，以教材单元为基准精准覆盖核心考点。 每个单元设置AB卷，A卷为基础巩固卷，侧重基础考点训练，帮助学生扎实掌握知识要点；B卷为能力提升卷，注重知识整合与全面检测，引导学生构建知识网络。全书设计4份综合测试卷，模拟实战情境，聚焦解题能力突破，全面提升应试能力与知识应用水平。 《英语 基础模块2》（高教版第三版）《单元过关卷》 Unit 1 Travel A卷·基础巩固 时间：70分钟 总分：100分 班级 姓名 学号 成绩 综合卷Ⅰ（75分） 一、词汇与语法（共25小题，每小题1分，满分25分） （一）单词辨音 从下列各小题的A、B、C三个选项中选出一个画线部分发音与所给单词的画线部分发音相同的选项。（共5小题，每小题1分，共5分） 1．travel A．map B．name C．cat 2．record A．work B．horse C．world 3．quit A．quite B．queen C．quality 4．journey A．monkey B．they C．key 5．luggage A．rule B．summer C．blue （二）词义选择 从下列各小题的A、B、C三个选项中选出一个与句子中画线的英文单词或短语含义相符的中文选项。（共10小题，每小题1分，共10分） 6．Please take your luggage with you when you leave the hotel. A．行李 B．门票 C．地图 7．The discovery of the ancient city surprised everyone. A．发明 B．发现 C．建设 8．They will set off for Beijing early tomorrow morning. A．出发 B．到达 C．返回 9．You should avoid traveling during the holidays. A．选择 B．避免 C．享受 10．It rained throughout the whole weekend. A．在...期间 B．遍及 C．穿过 11．He made every effort to finish the work on time. A．错误 B．努力 C．计划 12．We visited many local scenic spots in Yunnan. A．本地的 B．著名的 C．偏远的 13．Xu Xiake never gave up his dream of traveling. A．实现 B．放弃 C．改变 14．Traveling abroad is a wonderful experience. A．实验 B．表达 C．经历 15．He finally arrived at the hotel after a long journey. A．突然 B．幸运地 C．终于 （三）语法运用 从下列各小题的A、B、C三个选项中选出一个最佳选项填入空白处完成句子。（共10小题，每小题1分，共10分） 16．Xu Xiake ______ over 30 years traveling throughout the country. A．spends B．spent C．spending 17．They ______ the hotel yesterday evening. A．reach B．reaches C．reached 18．______ you go to the Great Wall last summer? A．Do B．Did C．Does 19．Marco Polo ______ about his travels along the Silk Road. A．write B．wrote C．writes 20．We ______ not know the answer at that time. A．do B．does C．did 21．There ______ a book and two pens on the desk. A．is B．are C．have 22．My mother often ______ breakfast at 7 o'clock. A．cook B．cooks C．cooked 23．I like ______ English songs in my free time. A．singing B．sing C．sings 24．He is ______ honest man. A．a B．an C．the 25．______ beautiful the mountains are! A．What B．How C．What a 二、情景交际（共15小题，每小题2分，共30分） (一)简短对话 从下列各小题的A、B、C三个选项中选出一个最佳选项完成对话。（共10小题，每小题2分，共20分） 26．Speaker A: I'd like to book a double room for three nights, please. Speaker B: ______ A．Of course. Your room number is 302. B．I'm sorry to hear that. C．It doesn't matter. 27．Speaker A: Welcome to Beijing! How was your flight? Speaker B: ______ A．It was great, thank you! B．I don't like flying. C．Yes, it is. 28．Speaker A: Could you tell us more about the local food here? Speaker B: ______ A．I'm not hungry. B．Sure! Let me introduce some famous dishes. C．Yes, I can. 29．Speaker A: What time will we arrive at the scenic spot? Speaker B: ______ A．By bus. B．In about 20 minutes. C．It's a beautiful place. 30．Speaker A: How much is the ticket for the museum? Speaker B: ______ A．It's free for students. B．I'd like two tickets, please. C．The museum is closed. 31．Speaker A: I'm sorry, we are fully booked for that date. Speaker B: ______ A．That's all right. B．How about the next day? C．Thank you very much. 32．Speaker A: Have a good trip! Speaker B: ______ A．The same to you. B．Yes, I have. C．Not at all. 33．Speaker A: What interesting places can we visit in this city? Speaker B: ______ A．I like interesting places. B．The Great Wall is worth visiting. C．I visited it last year. 34．Speaker A: Excuse me, could you tell me the way to the hotel? Speaker B: ______ A．Yes, I could. B．Go along this street and turn left. C．It's a nice hotel. 35．Speaker A: Thank you for your help during the trip. Speaker B: ______ A．You're welcome. B．I need help too. C．Never mind. （二）补全对话 在以下情景对话中有五个空白处，从对话下方的七个备选项中选择恰当的句子补全对话。（共5小题，每小题2分，共10分） Guide: Good morning, everyone! Welcome to Shangri-La! Tourist: 36 Guide: It is famous for its snowy mountains and ethnic culture. Tourist: 37 Guide: About 20 minutes by bus from here. Tourist: 38 Guide: Yes. You can also try the local food and watch traditional dances. Tourist: 39 Guide: Sure! We'll be there before lunch. Tourist: 40 Guide: You're welcome! A．Can we visit the mountains today? B．How far is it from here? C．What is it famous for? D．I can't wait to get there! E．Will we have lunch there? F．That sounds wonderful! Thank you! G．Are there any special activities? 三、阅读理解（共10小题，每小题2分，共20分） 阅读下列两篇短文，根据短文内容从每题所给的A、B、C三个选项中选出一个最佳选项。 A Xu Xiake (1587-1641) was a famous traveler in the Ming Dynasty. He became interested in books about different places at an early age and wanted to travel. When he was 19, his father died, and he had to take care of his mother. However, Xu never gave up his dream of traveling. With the support of his family, Xu set off for the first time at the age of 22 and took four major trips in his lifetime. In order to take more first-hand experiences, he avoided traveling comfortably. Xu chose to go almost everywhere on foot and carried his luggage on his back. Although he experienced all sorts of difficulties, Xu never thought of quitting. Xu spent over 30 years traveling throughout the country. He carefully studied the places he passed through and recorded his experiences and discoveries in his diary. Due to his efforts, the diary finally became The Travel Notes of Xu Xiake. It is well known for its value in Chinese history. 41．When was Xu Xiake born? A．In 1587. B．In 1622. C．In 1641. 42．Why did Xu Xiake travel on foot? A．Because he had no money. B．To take more first-hand experiences. C．Because he liked walking. 43．How many major trips did Xu Xiake take in his lifetime? A．Two. B．Three. C．Four. 44．What is The Travel Notes of Xu Xiake about? A．His family life. B．His travel experiences and discoveries. C．Chinese history. 45．What can we learn from Xu Xiake? A．Never give up our dreams. B．Travel is not important. C．Reading is better than traveling. B Traveling is one of the best ways to learn about the world. When you travel to a new place, you can see different sights, taste new food, and meet interesting people. Many students like traveling during their holidays. There are some important things to remember before you travel. First, you should make a travel plan. You need to decide where to go, how to get there, and where to stay. Second, you should pack your luggage carefully. Don't forget to take your ID card, some clothes, and medicine. Third, you should learn some information about the place you will visit. Traveling can help you relax and learn new things. But remember to travel safely and respect local customs. 46．According to the passage, what is one benefit of traveling? A．Making money. B．Learning about the world. C．Buying new clothes. 47．What should you do first before traveling? A．Pack your luggage. B．Buy a ticket. C．Make a travel plan. 48．Which of the following should you take when traveling? A．A computer. B．An ID card. C．A TV. 49．What does the word "relax" mean in the passage? A．放松 B．紧张 C．运动 50．What is the main idea of the passage? A．Traveling tips for students. B．How to make money by traveling. C．The best places to visit. 综合卷Ⅱ（25分） 四、英汉互译（共5小题，每小题3分，共15分） 将下列51—53小题的英文句子翻译成中文,54、55小题中文句子翻译成英文(括号中的英文提示词供翻译参考)。 51．We should take care of our environment when traveling. 52．He gave up his dream because of his family. 53．It is worth visiting the Great Wall. 54．他们去年夏天去了北京旅游。（last summer） 55．徐霞客花了30多年的时间游历全国。（spend） 五、应用写作（本大题共10分） 根据提示完成通知填空，每空一词或短语。 NOTICE To: All students of Grade 2 From: 56 (学校旅行社) Date: October 15, 2026 Subject: Autumn Trip to Shangri-La We will go on a trip to 57 (香格里拉) this Saturday. We will meet at the school gate at 58 (上午7点半) . Please bring your 59 (身份证) and some warm clothes. Don't 60 (迟到) ! 56．____________________ 57．____________________ 58．____________________ 59．____________________ 60．____________________ 学科网（北京）股份有限公司 ( 1 )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 $