专题02 单项选择（词汇辨析）（期中真题汇编，云南专用）九年级英语上学期

专题02 单项选择—词语辨析 代词辨析 1．（24-25九上·云南·拓展练习）As a child, I would sit for hours by the river doing ________ —simply daydreaming. A．nothing B．everything C．something D．anything 【答案】A 【详解】句意：小时候，我会在河边坐几个小时什么也不做——只做白日梦。 考查复合不定代词辨析。nothing没有什么；everything一切；something某事；anything任何事。根据“simply daydreaming”可知，此处表示什么也不做，只做白日梦。故选A。 2．（23-24九上·云南楚雄·期中）—Most of the students in my class find ________ not easy to learn English grammar. —Tell them to take some notes in class and do exercises. A．that B．it C．this D．one 【答案】B 【详解】句意：——我们班的大多数学生发现学习英语语法不容易。——告诉他们在课堂上记笔记，做练习。 考查代词辨析。that那个；it它；this这个；one一个。find it+形容词+to do sth表示“发现做某事是……的”，动词不定式作真正的宾语，it作形式宾语，故选B。 3．（23-24九上·云南昭通昭阳区·期中）—Oh, Mary. ________ is knocking on the door. Could you go and have a look? —OK, mom. A．Somebody B．Nobody C．Everybody D．Anybody 【答案】A 【详解】句意：——哦，玛丽。有人在敲门。你能去看看吗？——好的，妈妈。 考查复合不定代词辨析。Somebody某人，有人；Nobody没有人；Everybody每人；Anybody任何人。根据语境可知，妈妈让玛丽去看看是谁在敲门，可推测此处是有人在敲门，somebody“有人”符合语境。故选A。 4．（22-23九上·云南昆明十二中&云子中学·期中）—Guess what? Our English teacher is going to meet me in person! —Well, she must have ________ to tell you. A．important anything B．anything important C．important something D．something important 【答案】D 【详解】句意：——你猜怎么着？我们的英语老师要亲自来见我！——嗯，她一定有重要的事要告诉你。 考查复合不定代词辨析和定语后置。anything任何事物，用于一般疑问句或否定句；something某事物，用于肯定句。根据“she must have ... to tell you.”是肯定句可知，应用something；important“重要的”，形容词，修饰复合不定代词要置于其后。故选D。 5．（22-23九上·云南昆明西山区·期中）When you find some new words, you’d better ________ in the dictionary. A．look up B．look them up C．look it up D．look up them 【答案】B 【详解】句意：当你发现一些新单词时，你最好查词典。 考查动词短语和代词辨析。look up查找；them它们；it它。根据“some new words”可知是复数名词，故用代词them来代指；当代词作为“动词+副词”短语的宾语时，代词位于动词和副词之间，故选B。 介词辨析 6．（23-24九上·云南昆明石林鹿阜中学·期中）— ________ do you improve your English? — I improve it ________ having conversations with others. A．How; with B．What; with C．How; by D．What; by 【答案】C 【详解】句意：——你是怎样提高英语水平的？——我通过与他人交谈来提高它。 考查疑问词和介词辨析。How怎样，如何，对方式提问；What什么，对事物提问；with用，后加工具；by通过，后加方式。根据“I improve it...having conversations with others.”可知，此处是回答如何提高英语，应选How，且通过与别人聊天的方式，介词用by。故选C。 7．（23-24九上·云南楚雄·期中）—________ do you improve your English? —________ an English club. A．How; By joining B．How; Joining C．What; By joining D．What; Joining 【答案】A 【详解】句意：——你如何提高英语水平？——通过加入一个英语俱乐部。 考查特殊疑问句和介词短语。How如何，对方式提问；By joining（by doing sth表示“通过做某事”）；What什么，对事件提问；Joining动名词/现在分词。根据“...do you improve your English?”和“...an English club.”可知，答语表示加入一个英语俱乐部，可推测询问的是提高英语水平的方法，对方式，方法提问，疑问词用How“如何”，排除C和D，又因by doing sth表示“通过做某事”，表用某种方式。故选A。 8．（23-24九上·云南昭通昭阳区·期中）— Let’s plant more trees in the desert. — Good idea. Trees can stop the wind ________ blowing the earth away. A．into B．from C．with D．at 【答案】B 【详解】句意：——让我们在沙漠里种更多的树。——好主意。树可以阻止风把土吹走。 考查介词辨析。into进入；from来自；with和；at在……。根据分析句子可知，短语“stop...(from) doing sth.”为固定搭配，意为“阻止……做某事”，blow是动词，吹；介词from后加动名词。故选B。 9．（23-24九上·云南云南大学附中·期中）My family tried mooncakes ________ the shape of a rabbit on the Mid-Autumn night. A．with B．from C．of D．in 【答案】D 【详解】句意：我的家人在中秋节晚上尝了兔子形状的月饼。 考查介词短语。with和；from从，来自；of……的；in在……里。介词短语in the shape of“以……的形状”，是固定搭配。故选D。 10．（23-24九上·云南昆明十中教育集团·期中）The paper is made ______ wood and we can use it ______ drawing. A．of; to B．of; from C．from; for D．from; to 【答案】C 【详解】句意：纸是用木头做的，我们可以用它来画画。 考查介词。of……的；to到……；for为了；from从。第一空，根据“is made ... wood”可知，考查be made of“由……制成（看得出原材料）”和“be made from“由……制成（看不出原材料）”，因为纸由木头制成看不出原材料，所以填from；第二空，根据“use it ... drawing”可知，考查use sth. for doing sth.“使用某物来做某事”，所以填for。故选C。 11．（23-24九上·云南临沧耿马县·期中）Study hard, children. I’m sure your parents will be proud ________ you in the future. A．in B．for C．with D．of 【答案】D 【详解】句意：好好学习，孩子们。我相信你的父母将来会为你感到骄傲的。 考查介词辨析。in在……里面；for为了；with有；of属于……的。根据“I’m sure your parents will be proud ... you in the future.”可知，你的父母将会为你感到骄傲；be proud of“为……感到骄傲”，固定短语。故选D。 名词辨析 12．（23-24九上·云南昆明三中·期中）The opening ceremony of the 19th Asian Games (亚运会开幕式) about “Memories of Jiangnan” was a great ________ to spread Chinese culture. A．success B．knowledge C．nation D．invention 【答案】A 【详解】句意：第19届亚运会开幕式的“江南记忆”是传播中国文化的一次巨大成功。 考查名词词义辨析。success成功；knowledge知识；nation民族；invention发明。根据“The opening ceremony of the 19th Asian Games (亚运会开幕式) about ‘Memories of Jiangnan’ was a great...to spread Chinese culture.”可知，应表达第19届亚运会开幕式是传播中国文化的一次巨大成功。故选A。 13．（23-24九上·云南昭通昭阳区·期中）Thanks to the great ________ in 5G technology, our communications are becoming easier and quicker. A．period B．purpose C．program D．progress 【答案】D 【详解】句意：由于5G技术的巨大进步，我们的通信变得越来越容易和快速。 考查名词辨析。period时期；purpose目的；program程序；progress进展，进步。根据“Thanks to the great ... in 5G technology, our communications are becoming easier and quicker.”可知，此处指的是5G技术的进步。故选D。 形容词、副词辨析 14．（24-25九上·云南麻栗坡民族中学·月考）—Does my question sound ________ enough? —I don’t think so. You can ask more ________ by using “could” instead of “can”. A．polite; politely B．politely; polite C．politely; politely D．polite; polite 【答案】A 【详解】句意：——我的问题听起来够礼貌吗？——我不这么认为。你可以用“could ”而不是“can”来更礼貌地提问。 考查词义辨析。polite礼貌的，形容词；politely礼貌地，副词。第一空前是系动词sound，后接形容词作表语，排除BC；第二空修饰动词ask，应用副词。故选A。 15．（23-24九上·云南临沧耿马县·期中）—I watched a movie last night. It lasted ________ three hours. —That’s really too long. A．especially B．nearly C．suddenly D．wisely 【答案】B 【详解】句意：——我昨晚看了一部电影。它持续了将近三个小时。  ——太长了。 考查副词辨析。especially尤其；nearly将近；suddenly突然地；wisely明智地。根据“That’s really too long.”可知，电影持续了将近3小时，故选B。 16．（23-24九上·云南昭通昭阳区·期中）If you travel a ________ distance in China, I advise you to take the high-speed train. A．spare B．basic C．long D．rapid 【答案】C 【详解】句意：如果你在中国长途旅行，我建议你坐高铁。 考查形容词辨析。spare空闲的；basic基本的；long长的；rapid快速的。根据“If you travel a ... distance in China”可知，此处是指长距离旅行。故选C。 17．（23-24九上·云南云南大学附中·期中）Ms. Zhang ____________ by all of us because her classes are always ____________ and interesting. A．is loved；lively B．is loved；lovely C．loves；lively D．loves；lovely 【答案】A 【详解】句意：张老师深受我们所有人的喜爱，因为她的课堂总是充满活力，很有趣。 考查一般现在时的被动语态和形容词辨析。is loved被喜爱；loves喜爱，动词love的三单形式；lively充满活力的；lovely可爱的。根据语境和“by”，且主语Ms. Zhang与动词love存在逻辑上的被动关系可知，句子应用一般现在时的被动语态，主语Ms. Zhang为第三人称单数，因此第一空应用is loved；classes表示“课堂”，应用形容词lively来表示“课堂充满活力”。故选A。 动词辨析 18．（24-25八下·鲁教·课时练）—I live right next to a supermarket. It’s very ______. —That’s wonderful. You can spend less time shopping. A．safe B．convenient C．beautiful D．fascinating 【答案】B 【详解】句意：——我住在超市的隔壁。它非常方便。 ——太好了。你可以花更少的时间购物。 考查形容词词义辨析。safe安全的；convenient方便的；beautiful美丽的；fascinating极有吸引力的。根据“You can spend less time shopping.”可知，此处说能花更少时间，由此可推测上文说的是住在超市的隔壁，这“非常方便”。故选B。 19．（24-25九下·人教新目标·单元测试）Confucius（孔子）spent much time traveling across China to ______ spread the spirit of being kind. A．impolitely B．heavily C．widely D．angrily 【答案】C 【详解】句意：孔子花费很多的时间在中国周游，来广泛传播“仁”的精神。impolitely不礼貌地；heavily重地；widely广泛地；angrily生气地。根据句意spent much time traveling across China可知，这里表示“广泛传播”，故应选C。 20．（22-23九上·云南昆明十二中&云子中学·期中）Peter was so tired that he ________ down to have a rest. A．lay B．laid C．lied D．lain 【答案】A 【详解】句意：Peter如此累，他躺下休息。 考查动词辨析。lay躺，过去式；laid放置，过去式或过去分词；lied说谎，过去式或过去分词；lain躺，过去分词。根据“... down to have a rest”可知，此处应是躺下休息。“躺下”lie，过去式lay。故选A。 代词辨析 21．（23-24九上·云南昆明三中·期中）China has a history of over 5, 000 years and each different part of China has ________ own special forms of traditional art. A．it B．it’s C．its D．itself 【答案】C 【详解】句意：中国有超过5000年的历史，并且中国的每个不同地区都有自己特别的传统艺术形式。 考查代词。it主格或宾格；it’s是“it is”或“it has”的缩写；its形容词性物主代词；itself反身代词。根据“own special forms of traditional art”可知，此处填形容词性物主代词修饰名词。故选C。 介词辨析 22．（23-24九上·云南楚雄·期中）Suzhou is known ________ it’s beautiful gardens and I want to visit them this summer. A．to B．for C．by D．as 【答案】B 【详解】句意：苏州因美丽的花园而闻名，今年夏天我想去参观它们。 考查介词辨析。to到；for因为；by通过；as作为。结合“Suzhou is known ...it’s beautiful gardens”和固定搭配“be known for因……而出名”可知，这里是指苏州因为美丽的花园而闻名。故选B。 23．（23-24九上·云南昆明官渡一中·期中）These beautiful tea cups are made ________ clay in Jianshui, Yunnan. A．in B．on C．of D．from 【答案】C 【详解】句意：这些漂亮的茶杯是由云南建水的黏土制成。 考查介词辨析。in在里面；on在上面；of……的；from来自。根据“These beautiful tea cups are made... clay”可知，此处表示“茶杯由黏土制成”，且黏土为可以看得出来的原材料，be made of“由……制成”，看得出原材料。故选C。 24．（23-24九上·云南楚雄·期中）Suzhou is known ________ it’s beautiful gardens and I want to visit them this summer. A．to B．for C．by D．as 【答案】B 【详解】句意：苏州因美丽的花园而闻名，今年夏天我想去参观它们。 考查介词辨析。to到；for因为；by通过；as作为。结合“Suzhou is known ...it’s beautiful gardens”和固定搭配“be known for因……而出名”可知，这里是指苏州因为美丽的花园而闻名。故选B。 名词辨析 25．（24-25九上·云南昆明官渡一中·期中）My mother will come back by plane. I’m going to the ________ to pick her up. A．bookstore B．cinema C．garden D．airport 【答案】D 【详解】句意：我妈妈将乘飞机回来。我要去机场接她。 考查名词辨析。bookstore书店；cinema电影院；garden花园；airport机场。根据“My mother will come back by plane”可知，需要去机场接妈妈，故选D。 26．（23-24九上·云南临沧耿马县·期中）—Would you like some ________ after lunch? —Yes. How about eating some biscuits? A．meat B．dessert C．soup D．fruit 【答案】B 【详解】句意：——午饭后你想吃点甜点吗？——是的。吃点饼干怎么样？ 考查名词辨析。meat肉；dessert点心；soup汤；fruit水果。根据“How about eating some biscuits?”可知，饭后吃点心，故选B。 27．（23-24九上·云南昆明石林鹿阜中学·期中）—Sir, can you tell me your ________? —Sure. It’s at No. 201 Main Street. A．address B．height C．secret D．style 【答案】A 【详解】句意：——先生。你能告诉我你的地址吗？——当然。我家在主街201号。 考查名词辨析。address地址；height身高；secret秘密；style方式。根据“No.201 Main Street”可知，提问者在询问地址。故选A。 形容词辨析 28．（24-25九上·云南昆明官渡一中·期中）—Now more and more people ride shared bikes. —Yes. ________ shared bikes we use, ________ pollution there will be. A．The more; the more B．The fewer; the less C．The more; the less D．The fewer; the fewer 【答案】C 【详解】句意：——现在越来越多的人骑共享单车。——是的。我们使用的共享单车越多，污染就会越少。 考查比较级的用法。more更多；fewer较少，修饰复数名词；less较少，修饰不可数名词。根据“...shared bikes we use...pollution there will be”可知，此处指的是使用共享单车的次数越多，污染就会越少，第一空应用more来修饰复数名词shared bikes，第二空应用less来修饰不可数名词pollution。故选C。 29．（23-24九上·云南楚雄·期中）—Reading more English books is very useful in English learning. —I agree with you. ________ you read, ________ you will be. A．More; faster B．The less; the faster C．Less; faster D．The more; the faster 【答案】D 【详解】句意：——多读英语书对学习英语非常有用。——我同意。你读得越多，你进步就越快。 考查比较级句型。more更多；less更少。分析句子可知，此处是结构“the+比较级，the+比较级”，表示“越……，就越……”，可排除AC选项；根据“you read,...you will be.”可知，此处强调随着读书量的增加，学得速度也加快。选项D“The more; the faster”正确地表达了这种因果关系。故选D。 动词辨析 30．（24-25九上·云南昆明官渡一中·期中）The dog ________ be the old man’s, but I’m not sure. A．might B．must C．can’t D．can 【答案】A 【详解】句意：那只狗可能是那个老人的，但我不确定。 考查情态动词。might可能；must一定，表示很有把握的推测；can’t不能；can可能，一般用于否定句和疑问句中。根据“The dog...be the old man’s, but I’m not sure”可知，该句为肯定句，此处使用might，表示没有把握的推测。故选A。 31．（24-25九上·云南昆明官渡一中·期中）You must be careful enough so that you won’t ________ any important details. A．sell out B．give out C．leave out D．put out 【答案】C 【详解】句意：你必须足够小心，以免遗漏任何重要细节。 考查动词短语辨析。sell out售完；give out分发；leave out忽略，不提及；put out熄灭。根据“You must be careful enough so that you won’t…any important details.”可知此处指足够认真的目的是为了不遗漏重要的细节，故选C。 32．（23-24九上·云南楚雄·期中）You don’t have to ________ every new word in the dictionary while reading. A．look for B．look after C．look at D．look up 【答案】D 【详解】句意：在阅读时，你不必在字典里查阅每一个新单词。 考查动词短语。look for寻找；look after照顾；look at看着；look up查阅。结合“...every new word”可知，这里是指查阅每一个新单词。故选D。 33．（23-24九上·云南昆明官渡一中·期中）My teacher suggested ________ the conversations in the movies to practice English. A．repeat B．to repeat C．repeated D．repeating 【答案】D 【详解】句意：我的老师建议重复电影里面的对话来练习英语。 考查非谓语动词。suggest doing sth.“建议做某事”，此处用动名词作宾语。故选D。 34．（23-24九上·云南昭通昭阳区·期中）— Anna, I want to make beef noodles. Would you please tell me how? — I’m glad to. First, you need to ________ beef and onions. A．give up B．cut down C．cut up D．wash away 【答案】C 【详解】句意：——安娜，我想做牛肉面。你能告诉我怎么做吗？——我很高兴。首先，你需要切牛肉和洋葱。 考查动词短语辨析。give up 放弃；cut down削减；cut up切碎；wash away冲走。根据“I want to make beef noodles.”可知此处指“做牛肉面需要先切牛肉和洋葱 ”。故选C。 35．（23-24九上·云南临沧耿马县·期中）—Many students don’t know how to ________ stress before an exam. —I think they can talk about the problems with their parents. A．do with B．argue with C．deal with D．agree with 【答案】C 【详解】句意：——许多学生不知道如何应付考试前的压力。  ——我认为他们可以和父母谈谈这些问题。 考查动词短语。do with处理；argue with与……争论；deal with处理；agree with同意。根据“how to...stress”可知，学生不知道如何处理压力，how与deal with搭配，故选C。 1 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $ 专题02 单项选择—词语辨析 代词辨析 1．（24-25九上·云南·拓展练习）As a child, I would sit for hours by the river doing ________ —simply daydreaming. A．nothing B．everything C．something D．anything 2．（23-24九上·云南楚雄·期中）—Most of the students in my class find ________ not easy to learn English grammar. —Tell them to take some notes in class and do exercises. A．that B．it C．this D．one 3．（23-24九上·云南昭通昭阳区·期中）—Oh, Mary. ________ is knocking on the door. Could you go and have a look? —OK, mom. A．Somebody B．Nobody C．Everybody D．Anybody 4．（22-23九上·云南昆明十二中&云子中学·期中）—Guess what? Our English teacher is going to meet me in person! —Well, she must have ________ to tell you. A．important anything B．anything important C．important something D．something important 5．（22-23九上·云南昆明西山区·期中）When you find some new words, you’d better ________ in the dictionary. A．look up B．look them up C．look it up D．look up them 介词辨析 6．（23-24九上·云南昆明石林鹿阜中学·期中）— ________ do you improve your English? — I improve it ________ having conversations with others. A．How; with B．What; with C．How; by D．What; by 7．（23-24九上·云南楚雄·期中）—________ do you improve your English? —________ an English club. A．How; By joining B．How; Joining C．What; By joining D．What; Joining 8．（23-24九上·云南昭通昭阳区·期中）— Let’s plant more trees in the desert. — Good idea. Trees can stop the wind ________ blowing the earth away. A．into B．from C．with D．at 9．（23-24九上·云南云南大学附中·期中）My family tried mooncakes ________ the shape of a rabbit on the Mid-Autumn night. A．with B．from C．of D．in 10．（23-24九上·云南昆明十中教育集团·期中）The paper is made ______ wood and we can use it ______ drawing. A．of; to B．of; from C．from; for D．from; to 11．（23-24九上·云南临沧耿马县·期中）Study hard, children. I’m sure your parents will be proud ________ you in the future. A．in B．for C．with D．of 名词辨析 12．（23-24九上·云南昆明三中·期中）The opening ceremony of the 19th Asian Games (亚运会开幕式) about “Memories of Jiangnan” was a great ________ to spread Chinese culture. A．success B．knowledge C．nation D．invention 13．（23-24九上·云南昭通昭阳区·期中）Thanks to the great ________ in 5G technology, our communications are becoming easier and quicker. A．period B．purpose C．program D．progress 形容词、副词辨析 14．（24-25九上·云南麻栗坡民族中学·月考）—Does my question sound ________ enough? —I don’t think so. You can ask more ________ by using “could” instead of “can”. A．polite; politely B．politely; polite C．politely; politely D．polite; polite 15．（23-24九上·云南临沧耿马县·期中）—I watched a movie last night. It lasted ________ three hours. —That’s really too long. A．especially B．nearly C．suddenly D．wisely 16．（23-24九上·云南昭通昭阳区·期中）If you travel a ________ distance in China, I advise you to take the high-speed train. A．spare B．basic C．long D．rapid 17．（23-24九上·云南云南大学附中·期中）Ms. Zhang ____________ by all of us because her classes are always ____________ and interesting. A．is loved；lively B．is loved；lovely C．loves；lively D．loves；lovely 动词辨析 18．（24-25八下·鲁教·课时练）—I live right next to a supermarket. It’s very ______. —That’s wonderful. You can spend less time shopping. A．safe B．convenient C．beautiful D．fascinating 19．（24-25九下·人教新目标·单元测试）Confucius（孔子）spent much time traveling across China to ______ spread the spirit of being kind. A．impolitely B．heavily C．widely D．angrily 20．（22-23九上·云南昆明十二中&云子中学·期中）Peter was so tired that he ________ down to have a rest. A．lay B．laid C．lied D．lain 代词辨析 21．（23-24九上·云南昆明三中·期中）China has a history of over 5, 000 years and each different part of China has ________ own special forms of traditional art. A．it B．it’s C．its D．itself 介词辨析 22．（23-24九上·云南楚雄·期中）Suzhou is known ________ it’s beautiful gardens and I want to visit them this summer. A．to B．for C．by D．as 23．（23-24九上·云南昆明官渡一中·期中）These beautiful tea cups are made ________ clay in Jianshui, Yunnan. A．in B．on C．of D．from 24．（23-24九上·云南楚雄·期中）Suzhou is known ________ it’s beautiful gardens and I want to visit them this summer. A．to B．for C．by D．as 名词辨析 25．（24-25九上·云南昆明官渡一中·期中）My mother will come back by plane. I’m going to the ________ to pick her up. A．bookstore B．cinema C．garden D．airport 26．（23-24九上·云南临沧耿马县·期中）—Would you like some ________ after lunch? —Yes. How about eating some biscuits? A．meat B．dessert C．soup D．fruit 27．（23-24九上·云南昆明石林鹿阜中学·期中）—Sir, can you tell me your ________? —Sure. It’s at No. 201 Main Street. A．address B．height C．secret D．style 形容词辨析 28．（24-25九上·云南昆明官渡一中·期中）—Now more and more people ride shared bikes. —Yes. ________ shared bikes we use, ________ pollution there will be. A．The more; the more B．The fewer; the less C．The more; the less D．The fewer; the fewer 29．（23-24九上·云南楚雄·期中）—Reading more English books is very useful in English learning. —I agree with you. ________ you read, ________ you will be. A．More; faster B．The less; the faster C．Less; faster D．The more; the faster 动词辨析 30．（24-25九上·云南昆明官渡一中·期中）The dog ________ be the old man’s, but I’m not sure. A．might B．must C．can’t D．can 31．（24-25九上·云南昆明官渡一中·期中）You must be careful enough so that you won’t ________ any important details. A．sell out B．give out C．leave out D．put out 32．（23-24九上·云南楚雄·期中）You don’t have to ________ every new word in the dictionary while reading. A．look for B．look after C．look at D．look up 33．（23-24九上·云南昆明官渡一中·期中）My teacher suggested ________ the conversations in the movies to practice English. A．repeat B．to repeat C．repeated D．repeating 34．（23-24九上·云南昭通昭阳区·期中）— Anna, I want to make beef noodles. Would you please tell me how? — I’m glad to. First, you need to ________ beef and onions. A．give up B．cut down C．cut up D．wash away 35．（23-24九上·云南临沧耿马县·期中）—Many students don’t know how to ________ stress before an exam. —I think they can talk about the problems with their parents. A．do with B．argue with C．deal with D．agree with 1 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $