Starter（单元测试 · 基础卷）英语北师大版2024七年级上册

Starter【单元卷•测试卷】 满分100分，时间90分钟 一.根据句意和首字母或汉语提示写出所缺的单词（10分） 1.Lisa is from England, but she can speak 　　　(汉语)very well. 2.She is my 　　　(妹妹) and I love her very much.  3.Do you have a happy 　　　(家庭)?  4.—Is that your father? —No, it’s my uncle, my mother’s 　　　.  5.—Where is the 　　　(科学)lab?   —Sorry, I don’t know. 6.We should 　　　(锻炼) every day. It is good for our health.  7.A ruler and two 　　　(手表) are in the schoolbag.  8.—Tom, I don’t know this word. —Well, here is a 　　　(字典) and it can help you.  9.Many people like 　　　(红色)in China.  10.The 　　　(墙) is very low. I can jump over it.  1.Chinese　2.sister　3.family　4.brother　5.science 6.exercise　7.watches　8.dictionary 9.red　10.wall　 二.用括号内所给词的适当形式填空（10分） 1.I am six 　　　(year) old.  2.—How are you today?—Very 　　　(good).  3.I have a dog. 　　　(it) name is Huahua.  4.—How is your mother?—She is fine, 　　　(thank).  5.　　　(they) classroom is clean and big.  6.Look at these 　　　(bag). They are nice.  7.Let’s go shopping. I want to buy some 　　　(brush). 8.How beautiful those 　　　(box) are!  9.Four 　　　(woman) are in the store.  10.　　　(not speak) Chinese in English class.  1.years　根据数字six可知其后的名词应用复数形式,故填years。 2.well　句意:——今天好吗? ——很好。此处用well表示“身体好”,故填well。 3.Its　此处表示“狗的名字”,name前需用形容词性物主代词。故填Its。 4.thanks　thanks相当于thank you,故填thanks。 5.Their　此处表示“他们的教室”,需用形容词性物主代词。故填Their。 6.bags　these意为“这些”,其后的可数名词需用复数形式,故填bags。 7.brushes　some后的可数名词需用复数形式,故填brushes。 8.boxes　those意为“那些”,其后的可数名词需用复数形式,故填boxes。 9.women　four后跟可数名词复数形式,woman的复数形式为women,故填women。 10.Don’t speak　祈使句的否定形式为“Don’t+动词原形+其他”,故填Don’t speak。 三.根据汉语意思完成句子,每空一词（5分） 1.这是我的姐姐Gina。　　　 　　　 my sister Gina.  2.你的学校在哪儿?　　　 　　　 your school?  3.谢谢你帮助我这么多。Thanks for helping me 　　　 　　　.  4.Jack,该吃午饭了。It’s time 　　　 　　　, Jack.  5.这个男人是一名工人。他在一个大工厂工作。 The 　　　 is a 　　　. He works in a factory.  1.This is　 2.Where is 3.a lot　4.for lunch　5.man;worker 四.按要求完成句子,每空一词（5分） 1.That is my brother.(改为否定句) 　　　 　　　my brother.  2.She’s my sister.(对画线部分提问)  　　　 　　　she?  3.What’s the time?(同义句转换) 　　　 　　　 is it?  4.My father is a teacher.(对画线部分提问)  　　　 　　　your father?  5.It’s a red ruler. (对画线部分提问)  　　　 　　　that?  1.That isn’t　2.Who is　3.What time　4.What is 5.What is 四.单项选择（15分） 1.—Nice to meet you. —　　　 A.Thank you!　　　　 B.How do you do? C.The same to you!　　　　 D.Nice to meet you, too. D　根据上句“Nice to meet you.”可知答语为“Nice to meet you,too.”。 2.—Thank you very much. —　　　. A.Here you are　 B.You’re welcome C.Thank you too　 D.Not thanks B　回应别人的感谢应用“You’re welcome.”。 3.—Linda, your English is so good! —　　　. A.Thanks　　　　 B.I’m fine C.See you　　　　 D.Good morning A　收到别人的赞美时应表示感谢,故答案为A。 4.—I am good at 　　　. And you?  —Me too. A.sing　　　　 B.singing C.sings　　　　 D.to sing B　be good at意为“擅长”,其后若跟动词,要用动名词形式,故答案为B。 5.—Hi, Betty. 　　　is your sister?   —She is ten years old. A.How　　　　 B.What C.How many　　　　 D.How old D　How如何;What什么;How many多少;How old多少岁。根据“She is ten years old.”可知问句问的是年龄。故答案为D。 6.My favourite 　　　is Chinese.  A.school　　　　 B.subject　　 C.sport　　　　 D.colour B　school学校;subject学科;sport运动;colour颜色。根据设空处后的“语文”可知,所缺的词是subject,该句的含义是“我最喜欢的学科是语文”,故答案为B。 7.　　　 city is very beautiful. We like it very much.  A.Our　　　　 B.We　　　　 C.I　　　　 D.You A　our“我们的”,形容词性物主代词,其后加名词;We“我们”,人称代词主格,作主语;I“我”,人称代词主格,作主语;You“你,你们”,人称代词主格或宾格,作主语或宾语。由语境可知此处缺少形容词性物主代词。故答案为A。 8.If m=5 and n=6, what’s the answer to the problem:m+n-3=　　　?  A.seven　　　　 B.eight　　 C.nine　　　　 D.ten B　根据 “m=5 and n=6”可知:m+n-3=8,故答案为B。 9.—　　　 this book?  —It is interesting. I like it. A.What’s　　　　 B.Who’s C.What about　　　　 D.What colour is C　What’s是什么;Who’s是谁;What about怎么样;What colour is是什么颜色。根据答语可知,此处问的是对书的评价,故应选C。 10.—Jim, 　　　is Bob, my friend.  —Nice to meet you, Bob. Welcome to my family. A.this　　　　 B.that　　　　 C.she　　　　 D.it A　根据语境可知,Bob离说话人很近,故答案为A。 11.—　　　 the picture, please.  —Wow, it’s so beautiful. A.Watch　　　　 B.See　　　　 C.Look at　　　　 D.Look C　和the picture搭配的动词短语为look at,故答案为C。 12.—Can you 　　　English?   —Yes. Only a little. A.talk　　　　 B.speak　　　　 C.say　　　　 D.tell B　表示说某种语言时动词应用speak,故答案为B。 13.There is 　　　“n” and 　　　“t” in the word “front”.  A.a;a　　　　 B.an;a　　　　 C.a;an　　　　 D.an;an B　a不定冠词,表泛指,用在以辅音音素开头的单词前;an不定冠词,表泛指,用在以元音音素开头的单词前。字母“n”以元音音素开头,应用an;字母“t”以辅音音素开头,应用a。故选B。 14.—Is Sandy 　　　at playing basketball?  —Yes. And she also plays volleyball 　　　.  A.good;good　　　　 B.well;well C.well;good　　　　 D.good;well D　be good at为固定搭配,意为“擅长”;第二空需用副词well修饰动词play。故答案为D。 15.　　　is red and green? —It’s yellow. A.What　　　　 B.Who C.How　　　　 D.What colour D　根据答语“它是黄色的”可推知问句问的是颜色,故答案为D。 五、完形填空(共10小题,计10分) 　　Hello, everyone! My name 　1　 Jim.I'm thirteen.I am a new　2　in a new middle school. I am 　3　 Class Five.There are nineteen 　4　 and twelve girls in my class.We have a big 　5　. How many　6　 and chairs are there in the classroom? Let me tell you the answer(答案). There are　7　 desks (one is the teacher's desk) and thirty-one chairs in it.My English 　8　 is Miss Smith.　9　 is a nice teacher.Every morning, we say good　10　 to her. We all like her very much.  1.A. am B. is C. are D. be 2.A. class B. parent C. student D. school 3.A. in B. at C. of D. on 4.A. classmates B. boys C. girls D. telephones 5.A. book B. party C. family D. classroom 6.A. beds B. flowers C. desks D. bags 7.A. thirty-one B. thirty-two C. twenty-nine D. thirty 8.A. name B. teacher C. friend D. word 9.A. She B. Her C. He D. His 10.A. morning B. night C. evening D. afternoon 【短文大意】　本文主要介绍了Jim的新班级。 1.B　句子主语为"My name",故此处谓语动词要用is。 2.C　根据下文描述可知此处是说,"我"是一名新学生。 3.A　in Class Five 意为"在五班"。 4.B　由设空后的"twelve girls"可知此处应用boys。 5.D　由下文中的"in the classroom"可知此处是说,我们有一个大教室。故选D。 6.C　由下文可知此处应用desks。 7.B　由上文可知班里有31名学生,再结合空后括号中的"one is the teacher's desk"可知选B。 8.B　由下文中的"a nice teacher"可知答案为B。 9.A　此处缺主语,由前句中的"Miss Smith"可知应用She。 10.A　由设空所在句中的"Every morning"可知答案为A。 六、阅读理解(共15小题,计30分) A 1.How old is Li Wei? A.11.　　　 B.12.　　　 C.13.　　　 D.14. 2.Li Wei doesn’t like 　　　.  A.ping-pong　　　　 B.football C.basketball　 　　　 D.tennis 3.Jim is from 　　　.  A.China　　　　 B.England C.the USA　 　　 D.Japan 4.There are 　　　sports in the text.  A.three　　　 B.four　　　 C.five　　　 D.six 5.The text may be from 　　　.  A.a teenager magazine　　 B.a history book C.a storybook　　　　 D.an art book 答案　[语篇解读]　本材料主要介绍了李伟和Jim的个人信息以及他们喜欢的运动。 1.B　细节理解题。根据李伟描述中的“My name is Li Wei. I’m 12.”可知,他的年龄是12岁,故答案为B。 2.D　细节理解题。根据李伟描述中的“I don’t like tennis”可知,他不喜欢网球,故答案为D。 3.C　推理判断题。根据Jim描述中的“My name is Jim. I’m from New York.”可知,他来自纽约;纽约位于美国,故答案为C。 4.B　推理判断题。通读材料可知,材料中一共提到了四种运动,分别是乒乓球、足球、网球和篮球,故答案为B。 5.A　推理判断题。本文可能来自“一本青少年杂志”,故答案为A。 B Hello! I’m a middle school student from China. My Chinese name is Li Ying. My English name is Alice. I am Chinese. I’m in No. 2 Middle School. I am a good student. Now I am 13 years old. Our school is very nice. Ms. Smart is my English teacher. I like her and she loves us. There are three people in my family. This is my father. He is a teacher. This is my mother. Her name is Han Jing. I love them very much. 1.Alice is from 　　　.  A.Japan　　　　 B.England C.America　　　 D.China 2.Li Ying is 　　　years old.  A.14　　　 B.13　　　 C.12　　　 D.10 3.What’s Ms. Smart’s job(工作)? A.A teacher.　　 B.A student. C.A driver.　　　 D.A doctor. 4.Li Ying’s mother’s name is 　　　.  A.Han Meimei　 B.Han Jing C.Alice　　　 　 D.Smart 5.What can we know from the passage? A.Alice is in No. 5 Middle School. B.Li Ying doesn’t like her English teacher. C.There are four people in Li Ying’s family. D.We can’t know Li Ying’s mother’s job. 答案　[语篇解读]　本文作者李英介绍了自己的个人信息,还介绍了自己的英语老师和家人。 1.D　细节理解题。根据第一段中的“I’m a middle school student from China. My Chinese name is Li Ying. My English name is Alice.”可知,Alice是李英的英文名字,她来自中国,故答案为D。 2.B　细节理解题。根据第一段中的“Now I am 13 years old.”可知,李英的年龄是13岁,故答案为B。 3.A　细节理解题。根据第二段中的“Ms. Smart is my English teacher.”可知,Ms. Smart是李英的英语老师,故答案为A。 4.B　细节理解题。根据第三段中的“This is my mother. Her name is Han Jing.”可知答案为B。 5.D　推理判断题。文章中没有提到李英的妈妈是做什么工作的,故答案为D。 C 　　Nice to meet you! I’m the Monkey King. I’m from China. I have a very famous stick(棍棒). 　　Good morning! I’m Doraemon. I’m Japanese. I have a wide mouth. I have many useful(有用的) things in my pocket(口袋). 　　Hello! I’m a pig. My name is Peppa. I’m from England. I like pink. 　　Hello! I’m Mickey Mouse. I come from America. I still(还) have a home in Shanghai. 1.Who has a very famous stick? A.The Monkey King.　　　　 B.Doraemon. C.Peppa Pig.　　　　 D.Mickey Mouse. 2.Who has a wide mouth? A.the Monkey King.　　　　 B.Doraemon. C.Peppa Pig.　　　　 D.Mickey Mouse. 3.Peppa is a 　　　.  A.mouse　　　　 B.cat C.monkey　　　　 D.pig 4.Where is Mickey Mouse from? A.China.　　 B.Japan. C.the USA.　　　 D.the UK. 5.Which of the following is TRUE(正确的)? A.The Monkey King is from China. B.Doraemon doesn’t have a pocket. C.Peppa Pig likes green. D.Mickey Mouse has only a home. 本文是美猴王、哆啦A梦、小猪佩奇和米老鼠的简要自我介绍。 1.A　根据“I’m the Monkey King...I have a very famous stick.”可知答案为A。 2.B　根据“I’m Doraemon...I have a wide mouth.”可知答案为B。 3.D　根据“I’m a pig. My name is Peppa.”可知答案为D。 4.C　根据“I’m Mickey Mouse. I come from America.”可知答案为C。 5.A　根据“I’m the Monkey King. I’m from China.”可知美猴王来自中国,选项中只有A项是正确的。 七.语法填空（5分） 阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式。 Hello, boys and girls. Nice 1.　　　 (meet) you! I’m a grain of rice(一粒米).   2.　　　(I) name is Taotao. I have 3.　　　 English name, too. It’s Steve Jackson. Can you 4.　　　(spell) it? S-T-E-V-E, Steve, J-A-C-K-S-O-N, Jackson. Steve is my 5.　　　(one) name and Jackson is my last name. I’m 6.　　　 China. And I’m one 7.　　　(year) old. What color 8.　　　(be) I? I’m white.  I want 9.　　　(say) thanks to Grandpa Yuan. He made me big and strong. I’ll always remember(记住) 10.　　　(he).  [语篇解读]　本文是一粒米的自我介绍。 1.to meet　Nice to meet you!意为“见到你(们)很高兴!”,设空处需用动词不定式。 2.My　设空处需用形容词性物主代词表示“我的”。 3.an　此处表泛指,English是以元音音素开头的单词,故其前应用不定冠词an。 4.spell　情态动词can后跟动词原形。 5.first　first name为固定搭配,意为“名”。 6.from　be from为固定搭配,意为“来自”。 7.year　根据设空处前的数字one可知应用year的单数形式。 8.am　根据主语为I可知此处填am。 9.to say　want to do sth.意为“想要做某事”。 10.him　设空处需用人称代词宾格作remember的宾语。 八.书面表达(共10分) 为了了解七年级新生对新校园的印象,你校在英语活动周开展了题为“My New School Life”的征文活动。请你根据以 下提示, 写一篇英语短文, 介绍一下你的校园生活。 1.How many buildings are there in your school?What are they? 2.Which building is your favourite? Where is it? 3.What do you do after school? 4.What do you think of your new school life? 要求:1.词数70左右; 2.可以适当增加细节,以使行文连贯。 My New School Life My New School Life My school is not big but it's very beautiful. There are five buildings—a library, an office building, a classroom building, a dining hall and a science building. In the middle of the school is the library. I like it best because there are a lot of interesting books. I like reading very much. After school, I often read books, but sometimes I play basketball with my classmates. I think my school life is colourful. I like my school life very much. 　　 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$ Starter【单元卷•测试卷】 满分100分，时间90分钟 一.根据句意和首字母或汉语提示写出所缺的单词（10分） 1.Lisa is from England, but she can speak 　　　(汉语)very well. 2.She is my 　　　(妹妹) and I love her very much.  3.Do you have a happy 　　　(家庭)?  4.—Is that your father? —No, it’s my uncle, my mother’s 　　　.  5.—Where is the 　　　(科学)lab?   —Sorry, I don’t know. 6.We should 　　　(锻炼) every day. It is good for our health.  7.A ruler and two 　　　(手表) are in the schoolbag.  8.—Tom, I don’t know this word. —Well, here is a 　　　(字典) and it can help you.  9.Many people like 　　　(红色)in China.  10.The 　　　(墙) is very low. I can jump over it.  二.用括号内所给词的适当形式填空（10分） 1.I am six 　　　(year) old.  2.—How are you today?—Very 　　　(good).  3.I have a dog. 　　　(it) name is Huahua.  4.—How is your mother?—She is fine, 　　　(thank).  5.　　　(they) classroom is clean and big.  6.Look at these 　　　(bag). They are nice.  7.Let’s go shopping. I want to buy some 　　　(brush). 8.How beautiful those 　　　(box) are!  9.Four 　　　(woman) are in the store.  10.　　　(not speak) Chinese in English class.  三.根据汉语意思完成句子,每空一词（5分） 1.这是我的姐姐Gina。　　　 　　　 my sister Gina.  2.你的学校在哪儿?　　　 　　　 your school?  3.谢谢你帮助我这么多。Thanks for helping me 　　　 　　　.  4.Jack,该吃午饭了。It’s time 　　　 　　　, Jack.  5.这个男人是一名工人。他在一个大工厂工作。 The 　　　 is a 　　　. He works in a factory.  四.按要求完成句子,每空一词（5分） 1.That is my brother.(改为否定句) 　　　 　　　my brother.  2.She’s my sister.(对画线部分提问)  　　　 　　　she?  3.What’s the time?(同义句转换) 　　　 　　　 is it?  4.My father is a teacher.(对画线部分提问)  　　　 　　　your father?  5.It’s a red ruler. (对画线部分提问)  　　　 　　　that?  四.单项选择（15分） 1.—Nice to meet you. —　　　 A.Thank you!　　　　 B.How do you do? C.The same to you!　　　　 D.Nice to meet you, too. 2.—Thank you very much. —　　　. A.Here you are　 B.You’re welcome C.Thank you too　 D.Not thanks 3.—Linda, your English is so good! —　　　. A.Thanks　　　　 B.I’m fine C.See you　　　　 D.Good morning 4.—I am good at 　　　. And you?  —Me too. A.sing　　　　 B.singing C.sings　　　　 D.to sing 5.—Hi, Betty. 　　　is your sister?   —She is ten years old. A.How　　　　 B.What C.How many　　　　 D.How old 6.My favourite 　　　is Chinese.  A.school　　　　 B.subject　　 C.sport　　　　 D.colour 7.　　　 city is very beautiful. We like it very much.  A.Our　　　　 B.We　　　　 C.I　　　　 D.You 8.If m=5 and n=6, what’s the answer to the problem:m+n-3=　　　?  A.seven　　　　 B.eight　　 C.nine　　　　 D.ten 9.—　　　 this book?  —It is interesting. I like it. A.What’s　　　　 B.Who’s C.What about　　　　 D.What colour is 10.—Jim, 　　　is Bob, my friend.  —Nice to meet you, Bob. Welcome to my family. A.this　　　　 B.that　　　　 C.she　　　　 D.it 11.—　　　 the picture, please.  —Wow, it’s so beautiful. A.Watch　　　　 B.See　　　　 C.Look at　　　　 D.Look 12.—Can you 　　　English?   —Yes. Only a little. A.talk　　　　 B.speak　　　　 C.say　　　　 D.tell 13.There is 　　　“n” and 　　　“t” in the word “front”.  A.a;a　　　　 B.an;a　　　　 C.a;an　　　　 D.an;an 14.—Is Sandy 　　　at playing basketball?  —Yes. And she also plays volleyball 　　　.  A.good;good　　　　 B.well;well C.well;good　　　　 D.good;well 15.　　　is red and green? —It’s yellow. A.What　　　　 B.Who C.How　　　　 D.What colour 五、完形填空(共10小题,计10分) 　　Hello, everyone! My name 　1　 Jim.I'm thirteen.I am a new　2　in a new middle school. I am 　3　 Class Five.There are nineteen 　4　 and twelve girls in my class.We have a big 　5　. How many　6　 and chairs are there in the classroom? Let me tell you the answer(答案). There are　7　 desks (one is the teacher's desk) and thirty-one chairs in it.My English 　8　 is Miss Smith.　9　 is a nice teacher.Every morning, we say good　10　 to her. We all like her very much.  1.A. am B. is C. are D. be 2.A. class B. parent C. student D. school 3.A. in B. at C. of D. on 4.A. classmates B. boys C. girls D. telephones 5.A. book B. party C. family D. classroom 6.A. beds B. flowers C. desks D. bags 7.A. thirty-one B. thirty-two C. twenty-nine D. thirty 8.A. name B. teacher C. friend D. word 9.A. She B. Her C. He D. His 10.A. morning B. night C. evening D. afternoon 六、阅读理解(共15小题,计30分) A 1.How old is Li Wei? A.11.　　　 B.12.　　　 C.13.　　　 D.14. 2.Li Wei doesn’t like 　　　.  A.ping-pong　　　　 B.football C.basketball　 　　　 D.tennis 3.Jim is from 　　　.  A.China　　　　 B.England C.the USA　 　　 D.Japan 4.There are 　　　sports in the text.  A.three　　　 B.four　　　 C.five　　　 D.six 5.The text may be from 　　　.  A.a teenager magazine　　 B.a history book C.a storybook　　　　 D.an art book B Hello! I’m a middle school student from China. My Chinese name is Li Ying. My English name is Alice. I am Chinese. I’m in No. 2 Middle School. I am a good student. Now I am 13 years old. Our school is very nice. Ms. Smart is my English teacher. I like her and she loves us. There are three people in my family. This is my father. He is a teacher. This is my mother. Her name is Han Jing. I love them very much. 1.Alice is from 　　　.  A.Japan　　　　 B.England C.America　　　 D.China 2.Li Ying is 　　　years old.  A.14　　　 B.13　　　 C.12　　　 D.10 3.What’s Ms. Smart’s job(工作)? A.A teacher.　　 B.A student. C.A driver.　　　 D.A doctor. 4.Li Ying’s mother’s name is 　　　.  A.Han Meimei　 B.Han Jing C.Alice　　　 　 D.Smart 5.What can we know from the passage? A.Alice is in No. 5 Middle School. B.Li Ying doesn’t like her English teacher. C.There are four people in Li Ying’s family. D.We can’t know Li Ying’s mother’s job. C 　　Nice to meet you! I’m the Monkey King. I’m from China. I have a very famous stick(棍棒). 　　Good morning! I’m Doraemon. I’m Japanese. I have a wide mouth. I have many useful(有用的) things in my pocket(口袋). 　　Hello! I’m a pig. My name is Peppa. I’m from England. I like pink. 　　Hello! I’m Mickey Mouse. I come from America. I still(还) have a home in Shanghai. 1.Who has a very famous stick? A.The Monkey King.　　　　 B.Doraemon. C.Peppa Pig.　　　　 D.Mickey Mouse. 2.Who has a wide mouth? A.the Monkey King.　　　　 B.Doraemon. C.Peppa Pig.　　　　 D.Mickey Mouse. 3.Peppa is a 　　　.  A.mouse　　　　 B.cat C.monkey　　　　 D.pig 4.Where is Mickey Mouse from? A.China.　　 B.Japan. C.the USA.　　　 D.the UK. 5.Which of the following is TRUE(正确的)? A.The Monkey King is from China. B.Doraemon doesn’t have a pocket. C.Peppa Pig likes green. D.Mickey Mouse has only a home. 七.语法填空（5分） 阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式。 Hello, boys and girls. Nice 1.　　　 (meet) you! I’m a grain of rice(一粒米).   2.　　　(I) name is Taotao. I have 3.　　　 English name, too. It’s Steve Jackson. Can you 4.　　　(spell) it? S-T-E-V-E, Steve, J-A-C-K-S-O-N, Jackson. Steve is my 5.　　　(one) name and Jackson is my last name. I’m 6.　　　 China. And I’m one 7.　　　(year) old. What color 8.　　　(be) I? I’m white.  I want 9.　　　(say) thanks to Grandpa Yuan. He made me big and strong. I’ll always remember(记住) 10.　　　(he).  八.书面表达(共10分) 为了了解七年级新生对新校园的印象,你校在英语活动周开展了题为“My New School Life”的征文活动。请你根据以 下提示, 写一篇英语短文, 介绍一下你的校园生活。 1.How many buildings are there in your school?What are they? 2.Which building is your favourite? Where is it? 3.What do you do after school? 4.What do you think of your new school life? 要求:1.词数70左右; 2.可以适当增加细节,以使行文连贯。 My New School Life 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$