复习七下Unit 6-2024年七年级英语暑假查漏补缺综合练（人教版）

Day 6 重点内容 主题词汇 newspaper, use, wash, soup, movie, just, drink, house, tea, tomorrow, any, other, young, child, delicious, still, race, study, America, pool, shop, supermarket； 重点词组 1.read a newspaper 看报纸 2.talk on the phone 通过电话交谈 3.make soup 做汤 4.wash the dishes 洗餐具 5.go to the movies 去电影院 6.eat out 出去吃饭 7. drink tea 喝茶. 句型 -What are you doing? -I’m watching TV. -What's he/she doing? -He's/She's cleaning the room. -What time is it in …? -It’s ... in the morning/afternoon/evening.; 语法 现在进行时 单词默背 1．Beijing Duck is very (美味的). I like it. 2．It (恰好) takes ten minutes to clean the room. 3．It’s half (过) five. They are playing basketball. 4．Mary has to (洗) her clothes on weekends. 5．Let’s go to see a (电影) on Sunday. 6．What would you like, (茶) or milk? 7．See you (明天) morning. 8．There are lots of new (房子) in my city. 9．The (汤) with vegetables and eggs tastes so delicious. Can I have more? 10．I (只是) want to listen to the music. It’s relaxing. 11．Peter (exercise) for thirty minutes every morning. 12．It’s six thirty now. The Green family (eat) dinner. 13．Can Jane (draw) pictures well? 14．Can you teach me how (use) the phone? 15．All the students want (play) basketball now. 16．The dish (smell) good. 17．My father often (watch) TV in the evening. 18．Who are these (man) over there? 19．It’s 6:00 p. m. now. The Green family (have) dinner. 20．He usually (go) to school in his Dad’s car. 语法专题（现在进行时） 概念 1. 定义：现在进行时既可以表示说话时正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。 His dad and uncle are watching the boat race on TV. He’s living with an American family in New York. 2. 常见的时间状语有：now, at present, at this moment, these days；另外也常通过listen, look暗示使用现在进行时。 He’s now studying in the United States. Look! They are playing games over there. 3. 现在进行时的构成：助动词be+动词-ing形式，其中be随着人称和数的变化相应变为am/is/are。 肯定式 主语+be+动词-ing形式+其他 I’m listening to the radio. The mother is reading a story to her young children. His mom and aunt are making zongzi. 否定式 主语+be+not+动词-ing形式+其他 He isn’t doing his homework. 一般疑问句及回答 Be+主语+动词-ing形式+其他？ 肯定回答：Yes, 主语+am/is/are. 否定回答：No, I’m not. No, 主语+isn’t/aren’t. —Are they using the computer? —Yes, they are. / No, they aren’t. —Is he reading a newspaper? —Yes, he is. / No, he isn’t. —Are you doing your homework? —Yes, I am. / No, I’m not. What引导的特殊疑问句 What+be+主语+动词-ing形式+其他？ 注意：对谓语动词进行提问时，疑问词用what。 —What is Jack doing? —He is cleaning the house. —What are you doing? —I’m just washing my clothes. —What are they doing? —They are listening to a CD. 4. 动词-ing形式的构成： 一般动词后直接加-ing read-reading watch-watching see-seeing play-playing 以不发音的e结尾的动词去掉e再加-ing make-making write-writing live-living take-taking 以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing get-getting swim-swimming put-putting run-running 现在进行时记忆口诀： 进行时很好记，be加动词-ing；何时要用进行时，look/listen/now来标记。 若问be用何形式，须看主语数、人称；he/she用is，I用am，we/you/they后紧跟are。 动词-ing更好记，三种构成要分清；一般问句be提前，be后加not否定成！ 5. 现在进行时和一般现在时的比较： 现在进行时 一般现在时 用法 正在进行或发生的动作；当前一段时间内的活动或现阶段正在进行的动作 现在的状态；经常的或习惯性的动作 构成 主语+be+动词-ing形式+其他 do/does 时间标志词 now, at present, at this moment, these days, listen, look... always, usually, often, sometimes, on Mondays, twice a week... 例子 He is playing basketball now. He usually plays basketball on Thursdays. 【知识拓展】 现在进行时的特殊用法： 1. 有些动词的现在进行时表示按计划或安排要进行的动作，例如：go, come, leave, start, arrive, return等。 She’s coming to see me tomorrow. I’m going on a trip soon. 2. 现在进行时与always, forever, continually, constantly等副词连用可表示满意、称赞、惊讶、厌恶等感情色彩。 She is always smiling happily. Tom is constantly making the same mistake. 练习题： 21．Look! The students ___________ the classroom. A．are cleaning B．clean C．cleans D．cleaned 22．Look! Dave ________ the piano in the living room now. A．plays B．played C．is playing D．to play 23．—Linda, together with her parents, up the mess in the park right now. —It’s meaningful to be a volunteer. Let’s join them. A．cleans B．is cleaning C．cleaned D．will clean 24．Don’t talk here. Grandparents _________. A．sleep B．sleeping C．slept D．are sleeping 25．—What are you doing now?   —I ________ soup for my father, because today is his birthday. A．make B．makes C．made D．am making 26．She _________ her homework right now. She _________ it just now. A．isn’t doing; finished B．isn’t doing; finishes C．didn’t do; finished D．didn’t do; finishes 27．It’s 9 o’clock now. Jim’s family _________ breakfast, but Jim is still _________ on the bed. A．has；lies B．have；lies C．is having；lying D．are having；lying 28．Sorry, you can’t take the dictionary away, Betty. I _________ it. A．have used B．am using C．used D．use 29．—Where is Kate? —Oh, she _________ ping-pong outside. A．is playing B．plays C．played D．play 30．It’s five o’clock. The students _________ an English class. A．have B．having C．is having D．are having 阅读理解（完形填空） It is Sunday today. It is fine. I want to learn to 31 at Green Water Pool, but who can help me 32 it? First, I go to Marcia for help, 33 she says she’s helping her mother do the housework (家务劳动). Next, I go to ask Mary to help me. When I get there, she is 34 Zhang Ming with his English. Now I feel 35 . “Why not ask Mona? She’s my best friend,” I say to myself (我自己). “ 36 are you doing, Mona?” I ask her when I go into her home. “Oh, welcome to my home, Linda. Look, I’m 37 an e­-mail to my friend in Australia.” “Can you 38 me to swim today? ” I ask her. “Sure, I’d love to. I’m going to the swimming club 39 afternoon. You can go with 40 .”  “That sounds great, Mona. Thanks a lot.” 31．A．dance B．sing C．swim D．draw 32．A．for B．with C．in D．on 33．A．because B．and C．or D．but 34．A．asking B．looking C．helping D．speaking 35．A．unhappy B．scary C．funny D．friendly 36．A．Where B．When C．Why D．What 37．A．taking B．writing C．looking D．reading 38．A．teach B．get C．talk D．ask 39．A．that B．next C．this D．last 40．A．them B．me C．her D．my 写作 现在是晚上8点，Jim一家正在进行不同的活动。请你根据下表中提示的信息，对他们的活动进行描述。60个单词左右。 Father read a book Mother clean the room Grandparents watch TV Jim do his homework Mary play computer games ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 原创精品资源学科网独家享有版权，侵权必究！6 学科网（北京）股份有限公司 学科网（北京）股份有限公司zxxk.com 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 $$ Day 6 重点内容 主题词汇 newspaper, use, wash, soup, movie, just, drink, house, tea, tomorrow, any, other, young, child, delicious, still, race, study, America, pool, shop, supermarket； 重点词组 1.read a newspaper 看报纸 2.talk on the phone 通过电话交谈 3.make soup 做汤 4.wash the dishes 洗餐具 5.go to the movies 去电影院 6.eat out 出去吃饭 7. drink tea 喝茶. 句型 -What are you doing? -I’m watching TV. -What's he/she doing? -He's/She's cleaning the room. -What time is it in …? -It’s ... in the morning/afternoon/evening.; 语法 现在进行时 单词默背 1．Beijing Duck is very (美味的). I like it. 【答案】delicious 【详解】句意：北京烤鸭很美味。我喜欢它。delicious“美味的”，形容词，在句中作表语，故填delicious。 2．It (恰好) takes ten minutes to clean the room. 【答案】just 【详解】句意：打扫房间恰好花了十分钟。根据中文提示可知，其英文表达为just，副词作状语。故填just。 3．It’s half (过) five. They are playing basketball. 【答案】past 【详解】句意：现在是五点半。他们在打篮球。表示“几点过几分”用介词past。故填past。 4．Mary has to (洗) her clothes on weekends. 【答案】wash 【详解】句意：玛丽不得不在周末洗衣服。wash“洗”，have to后跟动词原形，故填wash。 5．Let’s go to see a (电影) on Sunday. 【答案】movie/film 【详解】句意：我们星期天去看电影吧。冠词a后跟名词单数movie/film，表示“电影”。故填movie/film。 6．What would you like, (茶) or milk? 【答案】tea 【详解】句意：你想要什么，茶还是牛奶？tea“茶”，不可数名词。故填tea。 7．See you (明天) morning. 【答案】tomorrow 【详解】句意：明天早上见。tomorrow“明天”，时间副词。故填tomorrow。 8．There are lots of new (房子) in my city. 【答案】houses 【详解】句意：在我的城市有许多新房子。house“房子”，可数名词，lots of后接可数名词复数形式。故填houses。 9．The (汤) with vegetables and eggs tastes so delicious. Can I have more? 【答案】soup 【详解】句意：蔬菜鸡蛋汤味道很好。我能再来点吗？soup“汤”，名词。故填soup。 10．I (只是) want to listen to the music. It’s relaxing. 【答案】just 【详解】句意：我只想听音乐。它是令人放松的。just“只是”，副词。故填just。 11．Peter (exercise) for thirty minutes every morning. 【答案】exercises 【详解】句意：彼得每天早上锻炼30分钟。exercise“锻炼”，是动词，在本题中作谓语。“every morning”说明是一般现在时，主语“Peter”是第三人称单数，故谓语动词用单三形式，故填exercises。 12．It’s six thirty now. The Green family (eat) dinner. 【答案】are eating 【详解】句意：现在是六点半。格林一家正在吃晚饭。根据“It’s six thirty now.”可知，此处应用现在进行时，构成为am/is/are doing，表示正在进行的动作，主语“The Green family” 为复数，因此用are eating“正在吃”。故填are eating。 13．Can Jane (draw) pictures well? 【答案】draw 【详解】句意：简画得好吗？根据“Can Jane … pictures well?”与英语提示词可知，can为情态动词，后应用动词原形，因此用draw“画画”，动词。故填draw。 14．Can you teach me how (use) the phone? 【答案】to use 【详解】句意：你能教我如何使用手机吗？此处是结构“疑问词+动词不定式”，作宾语。故填to use。 15．All the students want (play) basketball now. 【答案】to play 【详解】句意：现在所有的学生都想打篮球。want to do“想要做某事”，因此填所给词的不定式，play basketball“打篮球”。故填to play。 16．The dish (smell) good. 【答案】smells 【详解】句意：这道菜闻起来很香。根据语境可知，此处是一般现在时，主语The dish是第三人称单数，故动词用其三单式。故填smells。 17．My father often (watch) TV in the evening. 【答案】watches 【详解】句意：我爸爸经常在晚上看电视。根据“often”可知，句子的时态为一般现在时，主语My father为第三人称单数，动词要用三单形式。故填watches。 18．Who are these (man) over there? 【答案】men 【详解】句意：那边的这些人是谁？根据“these”和单词提示可知，空处应填man的复数形式men。故填men。 19．It’s 6:00 p. m. now. The Green family (have) dinner. 【答案】are having 【详解】句意：现在是下午六点，格林一家人正在吃晚饭。根据“It’s 6:00 p. m. now.”可知，该句为现在进行时，现在进行时的结构为be+现在分词，主语“The Green family”表示格林一家人，为复数，be动词应用are；吃晚饭为have dinner，have的现在分词为having，故填are having。 20．He usually (go) to school in his Dad’s car. 【答案】goes 【详解】句意：他通常坐他爸爸的车去上学。根据“usually”可知，句子是一般现在时，主语是第三人称单数，动词用三单形式。故填goes。 语法专题（现在进行时） 概念 1. 定义：现在进行时既可以表示说话时正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。 His dad and uncle are watching the boat race on TV. He’s living with an American family in New York. 2. 常见的时间状语有：now, at present, at this moment, these days；另外也常通过listen, look暗示使用现在进行时。 He’s now studying in the United States. Look! They are playing games over there. 3. 现在进行时的构成：助动词be+动词-ing形式，其中be随着人称和数的变化相应变为am/is/are。 肯定式 主语+be+动词-ing形式+其他 I’m listening to the radio. The mother is reading a story to her young children. His mom and aunt are making zongzi. 否定式 主语+be+not+动词-ing形式+其他 He isn’t doing his homework. 一般疑问句及回答 Be+主语+动词-ing形式+其他？ 肯定回答：Yes, 主语+am/is/are. 否定回答：No, I’m not. No, 主语+isn’t/aren’t. —Are they using the computer? —Yes, they are. / No, they aren’t. —Is he reading a newspaper? —Yes, he is. / No, he isn’t. —Are you doing your homework? —Yes, I am. / No, I’m not. What引导的特殊疑问句 What+be+主语+动词-ing形式+其他？ 注意：对谓语动词进行提问时，疑问词用what。 —What is Jack doing? —He is cleaning the house. —What are you doing? —I’m just washing my clothes. —What are they doing? —They are listening to a CD. 4. 动词-ing形式的构成： 一般动词后直接加-ing read-reading watch-watching see-seeing play-playing 以不发音的e结尾的动词去掉e再加-ing make-making write-writing live-living take-taking 以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing get-getting swim-swimming put-putting run-running 现在进行时记忆口诀： 进行时很好记，be加动词-ing；何时要用进行时，look/listen/now来标记。 若问be用何形式，须看主语数、人称；he/she用is，I用am，we/you/they后紧跟are。 动词-ing更好记，三种构成要分清；一般问句be提前，be后加not否定成！ 5. 现在进行时和一般现在时的比较： 现在进行时 一般现在时 用法 正在进行或发生的动作；当前一段时间内的活动或现阶段正在进行的动作 现在的状态；经常的或习惯性的动作 构成 主语+be+动词-ing形式+其他 do/does 时间标志词 now, at present, at this moment, these days, listen, look... always, usually, often, sometimes, on Mondays, twice a week... 例子 He is playing basketball now. He usually plays basketball on Thursdays. 【知识拓展】 现在进行时的特殊用法： 1. 有些动词的现在进行时表示按计划或安排要进行的动作，例如：go, come, leave, start, arrive, return等。 She’s coming to see me tomorrow. I’m going on a trip soon. 2. 现在进行时与always, forever, continually, constantly等副词连用可表示满意、称赞、惊讶、厌恶等感情色彩。 She is always smiling happily. Tom is constantly making the same mistake. 练习题： 21．Look! The students ___________ the classroom. A．are cleaning B．clean C．cleans D．cleaned 【答案】A 【详解】句意：看！孩子们在打扫他们的教室！ 考查动词时态。根据句意和句中的Look可知，这里应该说孩子们正在打扫教室，应该用现在进行时，结构为be doing。故选A。 22．Look! Dave ________ the piano in the living room now. A．plays B．played C．is playing D．to play 【答案】C 【详解】句意：看！Dave现在正在客厅弹钢琴。 考查现在进行时。plays第三人称单数形式；played一般过去时；is playing现在进行时；to play动词不定式。根据“Look”可知，此处描述的动作正在发生，因此时态用现在进行时，其结构为am/is/are+动词的现在分词。故选C。 23．—Linda, together with her parents, up the mess in the park right now. —It’s meaningful to be a volunteer. Let’s join them. A．cleans B．is cleaning C．cleaned D．will clean 【答案】B 【详解】句意：——琳达和她的父母正在清理公园里的垃圾。——做志愿者很有意义。让我们加入他们。 考查现在进行时。cleans打扫，为clean的第三人称单数形式；is cleaning为现在进行时；cleaned为clean的过去式或过去分词；will clean为一般将来时。根据“right now”可知，此句应用现在进行时，表示正在进行的动作或存在的状态，其结构为“be doing”，应填is cleaning。故选B。 24．Don’t talk here. Grandparents _________. A．sleep B．sleeping C．slept D．are sleeping 【答案】D 【详解】句意：不要在这里说话。祖父母正在睡觉。 考查动词时态。根据“Don’t talk here.”可知，句子时态用现在进行时am/is/are doing，主语是复数，be用are。故选D。 25．—What are you doing now?   —I ________ soup for my father, because today is his birthday. A．make B．makes C．made D．am making 【答案】D 【详解】句意：——你现在在干什么？  ——我正在给我爸爸做汤，因为今天是他的生日。 考查现在进行时。根据“What are you doing now?”可知，此处是指自己正在给爸爸做汤，句子时态应用现在进行时，其结构为be doing；主语为I，be动词用am，make的现在分词为making。故选D。 26．She _________ her homework right now. She _________ it just now. A．isn’t doing; finished B．isn’t doing; finishes C．didn’t do; finished D．didn’t do; finishes 【答案】A 【详解】句意：她现在不在做作业。她刚刚做完了。 考查动词时态。根据时间状语right now“现在”可知第一空是现在进行时，结构为am/is/are doing，排除C和D选项；根据时间状语just now“刚才”可知第二空是一般过去时，用过去式。故选A。 27．It’s 9 o’clock now. Jim’s family _________ breakfast, but Jim is still _________ on the bed. A．has；lies B．have；lies C．is having；lying D．are having；lying 【答案】D 【详解】句意：现在9点了。吉姆的家人正在吃早餐，但吉姆仍然躺在床上。 考查动词的时态。根据前文“It’s 9 o’clock now.”可知，后一句的时态为现在进行时，结构为：is/are+现在分词，结合分析句子“Jim’s family…breakfast, but Jim is still…on the bed.”可知，family，作“家人”讲时，此处的be动词要用are；第二空因为前面有be动词is，所以此处的动词要用现在分词，构成现在进行时的结构。故选D。 28．Sorry, you can’t take the dictionary away, Betty. I _________ it. A．have used B．am using C．used D．use 【答案】B 【详解】句意：对不起，贝蒂，你不能把字典带走。我正在使用它。 考查动词的时态。根据前文“Sorry, you can’t take the dictionary away, Betty.”可知，此处不能带走的原因是我现在正在使用，故此句时态为现在进行时，主语是I，所以结构为：am+现在分词。故选B。 29．—Where is Kate? —Oh, she _________ ping-pong outside. A．is playing B．plays C．played D．play 【答案】A 【详解】句意：——Kate在哪里？——哦，她正在外面打乒乓球。 考查时态。根据“Where is Kate?”可知，回答应用现在进行时，结构为be+doing，主语she为单数，be动词用is，play的现在分词为playing。故选A。 30．It’s five o’clock. The students _________ an English class. A．have B．having C．is having D．are having 【答案】D 【详解】句意：现在是5点钟。学生们正在上英语课。 考查动词时态。根据“It’s five o’clock.”可知，学生们正在上英语课，句子是现在进行时，结构为be+动词的现在分词，主语是students复数。故选D。 阅读理解（完形填空） It is Sunday today. It is fine. I want to learn to 31 at Green Water Pool, but who can help me 32 it? First, I go to Marcia for help, 33 she says she’s helping her mother do the housework (家务劳动). Next, I go to ask Mary to help me. When I get there, she is 34 Zhang Ming with his English. Now I feel 35 . “Why not ask Mona? She’s my best friend,” I say to myself (我自己). “ 36 are you doing, Mona?” I ask her when I go into her home. “Oh, welcome to my home, Linda. Look, I’m 37 an e­-mail to my friend in Australia.” “Can you 38 me to swim today? ” I ask her. “Sure, I’d love to. I’m going to the swimming club 39 afternoon. You can go with 40 .”  “That sounds great, Mona. Thanks a lot.” 31．A．dance B．sing C．swim D．draw 32．A．for B．with C．in D．on 33．A．because B．and C．or D．but 34．A．asking B．looking C．helping D．speaking 35．A．unhappy B．scary C．funny D．friendly 36．A．Where B．When C．Why D．What 37．A．taking B．writing C．looking D．reading 38．A．teach B．get C．talk D．ask 39．A．that B．next C．this D．last 40．A．them B．me C．her D．my 【答案】31．C 32．B 33．D 34．C 35．A 36．D 37．B 38．A 39．C 40．B 【导语】本文主要讲了作者想让朋友教她学游泳，先后问Marcia和Mary能否教他游泳，但她们两个都没有时间，最后Mona说下午有时间，可以和她一起去游泳馆。 31． 句意：我想在绿水池里学游泳。 dance跳舞；sing唱歌；swim游泳；draw画画。由下文“at Green Water Pool”可知，在游泳池学游泳。故选C。 32．句意：但是谁能帮我？ for为了；with和；in在……里面；on在……上面。固定搭配help sb. with sth.“帮助某人某事”。故选B。 33． 句意：首先，我去找马西娅帮忙，但是她说她在帮她妈妈做家务。 because因为；and和；or不然，或者；but但是。根据句意可知这两句为转折关系，要用but。故选D。 34．句意：当我达到那儿，她正在帮助张明学习英语。 asking要求；looking看；helping帮助；speaking讲。考查固定搭配“help sb. with sth.”，意为“帮助某人某事”。故选C。 35． 句意：现在我觉得有点难过。 unhappy难过的；scary令人害怕的；funny有趣的；friendly友好的。根据上文“she’s helping her mother do the housework.”和“she is helping Zhang Ming with his English. ”可知Marcia和Mary都在忙，不能帮她学游泳，所以感到有点儿难过。故选A。 36．句意：你在干什么，Mona？ Where哪儿；When什么时间；Why为什么；What什么。根据下文答语“I’m...to my friend in Australia.”可知是问Mona在做什么，所以用疑问词what。故选D。 37．句意：我正在给我在澳大利亚的朋友写一封电子邮件。 taking带走；writing写；looking看；reading阅读。根据空后的an e­-mail，可知她在写一封电子邮件。故选B。 38．句意：你今天能教我游泳吗？ teach教；get得到；talk谈论；ask要求。根据上文，作者先后问Marcia和Mary能否教他游泳，但她们两个都没有时间，所以想问问Mona能否教(teach)她。故选A。 39．句意：今天下午我要去游泳俱乐部。 that那个；next下一个；this这个；last最后一个。根据上文“Sure, I’d love to.”，可知今天Mona可以教她，所以用this afternoon表示“今天下午”。故选C。 40．句意：你可以和我一起去。 them他们；me我；her她；my我的。根据答语“That sounds great, Mona. Thanks a lot.”可知，Mona同意“我”和她一起去游泳馆，me符合语境。故选B。 写作 现在是晚上8点，Jim一家正在进行不同的活动。请你根据下表中提示的信息，对他们的活动进行描述。60个单词左右。 Father read a book Mother clean the room Grandparents watch TV Jim do his homework Mary play computer games ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】例文 It’s eight o’clock in the evening now. What are Jim’s family doing? Jim’s father is reading a book and his mother is cleaning the room. His grandparents are watching TV. Is Jim watching TV, too? No, he is doing his homework. What is his sister, Mary doing? Oh, she is playing computer games. What a happy family! They are having a great time. 【详解】[总体分析] ①题材：本文是一篇材料作文； ②时态：时态为“现在进行时”； ③提示：根据表格中的提示完成写作，注意标点符号及大小写等问题，不要犯语法错误。注意上下文之间的逻辑关系，语意连贯。 [写作步骤] 第一步，引出主题——吉姆一家在做什么； 第二步，分别介绍吉姆家中每一位成员正在做的事情； 第三步，总结全文。 [亮点词汇] ①read a book读书 ②watch TV看电视 ③do his homework做作业 [高分句型] ①What a happy family!（感叹句） 原创精品资源学科网独家享有版权，侵权必究！6 学科网（北京）股份有限公司 学科网（北京）股份有限公司zxxk.com 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 $$