同步语法讲解（疑问句） 2026-2027学年译林版七年级英语上册

疑问句 （一般疑问句、特殊疑问句、选择疑问句） （语法讲解+分层精练） 目 录 一、疑问句的概念 2 二、一般疑问句 2 1. 概念 2 2. 结构 2 3. 一般疑问句的回答 3 三、特殊疑问句 3 1. 概念 3 2. 结构 4 3. 七年级上册常见特殊疑问词及用法 4 4. 特殊疑问句的回答 5 四、选择疑问句 5 1. 概念 5 2. 结构 5 3. 选择疑问句的回答 5 五、三种疑问句对比总结 5 六、注意事项（初一高频易错点） 6 注意一：一般疑问句中动词还原 6 注意二：简略回答中的人称代词 6 注意三：特殊疑问词作主语时用陈述句语序 6 注意四：选择疑问句不能用 Yes/No 回答 6 注意五：How many 与 How much 的区别 6 七、分层练习题（30道） 6 第一层 · 基础巩固（第1-10题）⭐ 容易 6 第二层 · 能力提升（第11-20题）⭐⭐ 中等 7 第三层 · 拓展挑战（第21-30题）⭐⭐⭐ 较难 8 一、疑问句的概念 疑问句是用来提出问题的句子。根据提问方式和回答形式的不同，七年级上册主要学习以下三种疑问句： 类型 功能 回答方式 例句 一般疑问句 询问某件事是否属实 用 Yes / No 回答 —Is this your book? —Yes, it is. 特殊疑问句 对具体信息提问（what/where/who等） 用具体信息回答 —What is your name? —My name is Li Ming. 选择疑问句 提供两个或多个选项让对方选择 用其中一个选项回答 —Is he a teacher or a student? —He is a student. 二、一般疑问句 1. 概念 一般疑问句是用来询问“某件事是否真实、某种情况是否存在”的问句，通常用 Yes 或 No 来回答，因此也叫 “是非疑问句”。 —Are you a student? —Yes, I am. / No, I'm not. —Does she like apples? —Yes, she does. / No, she doesn't. 2. 结构 （1）含有 be 动词（am/is/are）的句子 结构：Be + 主语 + 其他？ 陈述句 一般疑问句 回答 I am a student. Are you a student? Yes, I am. / No, I'm not. She is a nurse. Is she a nurse? Yes, she is. / No, she isn't. They are in Class 1. Are they in Class 1? Yes, they are. / No, they aren't. This is my book. Is this your book? Yes, it is. / No, it isn't. 口诀：“一提二改三问号”： · 一提：将 be 动词提到主语前 · 二改：改大小写和人称（I/we→you, my→your, our→your 等） · 三问号：句号变问号 （2）含有行为动词（实义动词）的句子 结构：Do/Does + 主语 + 动词原形 + 其他？ 陈述句 一般疑问句 回答 I like apples. Do you like apples? Yes, I do. / No, I don't. She likes apples. Does she like apples? Yes, she does. / No, she doesn't. We go to school by bike. Do you go to school by bike? Yes, we do. / No, we don't. He plays football every day. Does he play football every day? Yes, he does. / No, he doesn't. 口诀：“无be找助，助动提前，动词还原”： · 无be动词：找助动词 do/does 提到句首 · 主语是第三人称单数用 does，其他人称用 do · 原句的动词三单形式必须还原为原形 3. 一般疑问句的回答 问句开头 肯定回答 否定回答 Are you...? Yes, I am. No, I'm not. Is he/she/it...? Yes, he/she/it is. No, he/she/it isn't. Are they/we...? Yes, they/we are. No, they/we aren't. Do you/we/they...? Yes, I/we/they do. No, I/we/they don't. Does he/she/it...? Yes, he/she/it does. No, he/she/it doesn't. 注意：简略回答中必须用人称代词（I, you, he, she, it, we, they），不能重复名词。 —Is your mother a teacher? → —Yes, she is.（不能说 Yes, my mother is.） 三、特殊疑问句 1. 概念 特殊疑问句是用 特殊疑问词 引导的疑问句，对句子中某个具体成分进行提问。回答时不能用 Yes/No，而要根据问句内容给出具体信息。 —What is your name? —My name is Li Ming. —Where is my book? —It's on the desk. —How do you go to school? —By bike. 2. 结构 特殊疑问句结构：特殊疑问词 + 一般疑问句语序？ 即：疑问词 + be/助动词 + 主语 + 其他？ What is your favorite color?（你的最爱颜色是什么？） Why do you like it?（你为什么喜欢它？） When does he get up?（他什么时候起床？） 注意： 当疑问词作主语时，句子用陈述句语序。 Who is your English teacher?（Who 作表语，用疑问语序） Who is singing in the room?（Who 作主语，用陈述语序） 3. 七年级上册常见特殊疑问词及用法 疑问词 中文 提问内容 例句 what 什么 事物、动作 —What is this? —It's a book. what time 几点 具体时刻 —What time do you get up? —At 6:30. who 谁 人物（主语/宾语） —Who is she? —She is my sister. whose 谁的 所属关系 —Whose book is this? —It's mine. where 在哪里 地点、位置 —Where is my pen? —It's on the desk. when 什么时候 时间（大范围） —When is your birthday? —In May. why 为什么 原因 —Why are you late? —Because I got up late. how 怎样/如何 方式、状态 —How are you? —I'm fine. how old 多大 年龄 —How old is your brother? —He is twelve. how many 多少 可数名词数量 —How many apples do you want? —Three. how much 多少 不可数名词数量/价格 —How much milk is there? —A little. how about ……怎么样 征求意见 —How about going swimming? —Good idea. 4. 特殊疑问句的回答 回答时直接给出具体信息，不需要用 Yes/No。 —What is your name? —My name is Lucy. —Where is your schoolbag? —It's on the chair. —How old are you? —I'm 13 years old. 四、选择疑问句 1. 概念 选择疑问句是提供两个或两个以上选项，让对方从中选择一项来回答的问句。选项中用 or（或者）连接。回答时不能用 Yes/No，而要从选项中选择一个。 —Is she a teacher or a student? —She is a student. —Do you like apples or oranges? —I like apples. —Is your bag red or blue? —It's red. 2. 结构 （1）一般疑问句 + or + 选择项？ —Is your father a doctor or a nurse?（你爸爸是医生还是护士？） —Does she go to school by bus or by bike?（她乘公交还是骑自行车上学？） （2）特殊疑问句 + A or B？（较少见，初一不要求掌握） —Which do you like better, apples or oranges? 3. 选择疑问句的回答 必须从所给选项中选择其一（也可以给出自己独立的想法），不能用 Yes/No。 —Is he at school or at home? —He is at school. —Would you like milk or juice? —Juice, please. 五、三种疑问句对比总结 对比项 一般疑问句 特殊疑问句 选择疑问句 开头 Be / Do / Does 特殊疑问词 一般疑问句 + or 回答方式 Yes / No 具体信息 从中选择一个 回答结构 Yes, 主语+be/do. / No, 主语+be/do+not. 直接回答内容 直接选择一项 例句 —Is he a teacher? —Yes, he is. —What is he? —He's a teacher. —Is he a teacher or a student? —He's a teacher. 六、注意事项（初一高频易错点） ⚠️ 注意一：一般疑问句中动词还原 主语是第三人称单数时，用 Does 提问后，动词必须还原为原形。 ❌ Does she likes apples? ✅ Does she like apples? ⚠️ 注意二：简略回答中的人称代词 回答中必须用人称代词，不能用名词。 ❌ —Is your mother a doctor? —Yes, my mother is. ✅ —Is your mother a doctor? —Yes, she is. ⚠️ 注意三：特殊疑问词作主语时用陈述句语序 当 who / what 作主语时，不需要用一般疑问句语序（不加助动词）。 ❌ Who does want to go?（错误，who 作主语） ✅ Who wants to go?（正确，陈述句语序） ⚠️ 注意四：选择疑问句不能用 Yes/No 回答 选择疑问句提供了选项，必须从中选择一个。 ❌ —Is it a cat or a dog? —Yes, it is. ✅ —Is it a cat or a dog? —It's a cat. ⚠️ 注意五：How many 与 How much 的区别 · How many + 可数名词复数：问数量 · How much + 不可数名词：问数量/价格 —How many apples do you have?（可数） —How much milk do you need?（不可数） —How much is this pen?（问价格） 七、分层练习题（30道） 第一层 · 基础巩固（第1-10题）⭐ 容易 1. —______ you a student? —Yes, I ______. A. Are; am B. Is; am C. Are; are D. Is; is 2. —______ she like English? —No, she ______. A. Do; don't B. Does; doesn't C. Does; isn't D. Is; doesn't 3. —What ______ your name? —My name ______ Li Lei. A. is; is B. are; is C. is; am D. are; are 4. —______ is your English teacher? —Ms. Wang. A. What B. Who C. Where D. How 5. —______ is your pen? —It's on the desk. A. What B. Who C. Where D. How 6. —______ do you go to school? —By bike. A. What B. Who C. Where D. How 7. —Is this your book? —______. A. Yes, this is B. Yes, it is C. No, this isn't D. Yes, it's 8. —Does your father ______ to work by car? —No, he ______. A. go; don't B. goes; doesn't C. go; doesn't D. goes; don't 9. —______ is she? —She is my sister. A. What B. Where C. Who D. How 10. —______ is your mother? —She is 38. A. How old B. How much C. How many D. How long 第二层 · 能力提升（第11-20题）⭐⭐ 中等 11. —______ your brother like playing basketball? —Yes, he ______. A. Does; do B. Do; does C. Does; does D. Do; do 12. —______ does your mother go to work? —At 7:30. A. What B. Where C. What time D. How 13. —______ milk do we need? —Two bottles. A. How many B. How much C. How long D. How often 14. —Is she a nurse ______ a teacher? —She is a teacher. A. and B. but C. or D. so 15. —______ are you? —I'm fine, thanks. A. What B. Who C. Where D. How 16. —______ is your schoolbag? —It's blue. A. What color B. What C. Where D. Who 17. —Do they ______ to school every day? —No, they ______. A. goes; don't B. go; don't C. go; doesn't D. goes; doesn't 18. —______ is that woman? —She is my aunt. A. What B. Where C. How D. Who 19. —______ apples do you want? —I want three. A. How much B. How many C. How old D. How long 20. —______ is your father? —He is a doctor. A. Who B. Where C. How D. What 第三层 · 拓展挑战（第21-30题）⭐⭐⭐ 较难 21. —______ she ______ her homework every day? —Yes, she does. A. Does; do B. Do; does C. Does; does D. Do; do 22. —______ is your favorite subject? —English. A. What B. Who C. Where D. Why 23. —______ is your school? —It's on Green Street. A. What B. Who C. Where D. How 24. —______ do you like pandas? —Because they are very cute. A. What B. Who C. Where D. Why 25. —Does your sister ______ tennis? —Yes, she ______. A. like; like B. likes; likes C. like; does D. likes; does 26. —______ is the price of this book? —It's 25 yuan. A. How many B. How much C. What D. How 27. —Are these your parents ______ your teachers? —They are my parents. A. and B. but C. or D. so 28. —______ is your grandma? —She is 70 years old. A. How many B. How much C. How old D. How long 29. —______ are you late for school? —Because I get up late. A. What B. Where C. Why D. How 30. —______ is your birthday? —It's in October. A. What time B. Where C. How D. When 1 学科网（北京）股份有限公司 $ 疑问句 （一般疑问句、特殊疑问句、选择疑问句） （语法讲解+分层精练） 目 录 一、疑问句的概念 1 二、一般疑问句 2 1. 概念 2 2. 结构 2 3. 一般疑问句的回答 3 三、特殊疑问句 3 1. 概念 3 2. 结构 3 3. 七年级上册常见特殊疑问词及用法 4 4. 特殊疑问句的回答 4 四、选择疑问句 4 1. 概念 4 2. 结构 5 3. 选择疑问句的回答 5 五、三种疑问句对比总结 5 六、注意事项（初一高频易错点） 5 注意一：一般疑问句中动词还原 5 注意二：简略回答中的人称代词 6 注意三：特殊疑问词作主语时用陈述句语序 6 注意四：选择疑问句不能用 Yes/No 回答 6 注意五：How many 与 How much 的区别 6 七、分层练习题（30道） 6 第一层 · 基础巩固（第1-10题）⭐ 容易 6 第二层 · 能力提升（第11-20题）⭐⭐ 中等 8 第三层 · 拓展挑战（第21-30题）⭐⭐⭐ 较难 9 一、疑问句的概念 疑问句是用来提出问题的句子。根据提问方式和回答形式的不同，七年级上册主要学习以下三种疑问句： 类型 功能 回答方式 例句 一般疑问句 询问某件事是否属实 用 Yes / No 回答 —Is this your book? —Yes, it is. 特殊疑问句 对具体信息提问（what/where/who等） 用具体信息回答 —What is your name? —My name is Li Ming. 选择疑问句 提供两个或多个选项让对方选择 用其中一个选项回答 —Is he a teacher or a student? —He is a student. 二、一般疑问句 1. 概念 一般疑问句是用来询问“某件事是否真实、某种情况是否存在”的问句，通常用 Yes 或 No 来回答，因此也叫 “是非疑问句”。 —Are you a student? —Yes, I am. / No, I'm not. —Does she like apples? —Yes, she does. / No, she doesn't. 2. 结构 （1）含有 be 动词（am/is/are）的句子 结构：Be + 主语 + 其他？ 陈述句 一般疑问句 回答 I am a student. Are you a student? Yes, I am. / No, I'm not. She is a nurse. Is she a nurse? Yes, she is. / No, she isn't. They are in Class 1. Are they in Class 1? Yes, they are. / No, they aren't. This is my book. Is this your book? Yes, it is. / No, it isn't. 口诀：“一提二改三问号”： · 一提：将 be 动词提到主语前 · 二改：改大小写和人称（I/we→you, my→your, our→your 等） · 三问号：句号变问号 （2）含有行为动词（实义动词）的句子 结构：Do/Does + 主语 + 动词原形 + 其他？ 陈述句 一般疑问句 回答 I like apples. Do you like apples? Yes, I do. / No, I don't. She likes apples. Does she like apples? Yes, she does. / No, she doesn't. We go to school by bike. Do you go to school by bike? Yes, we do. / No, we don't. He plays football every day. Does he play football every day? Yes, he does. / No, he doesn't. 口诀：“无be找助，助动提前，动词还原”： · 无be动词：找助动词 do/does 提到句首 · 主语是第三人称单数用 does，其他人称用 do · 原句的动词三单形式必须还原为原形 3. 一般疑问句的回答 问句开头 肯定回答 否定回答 Are you...? Yes, I am. No, I'm not. Is he/she/it...? Yes, he/she/it is. No, he/she/it isn't. Are they/we...? Yes, they/we are. No, they/we aren't. Do you/we/they...? Yes, I/we/they do. No, I/we/they don't. Does he/she/it...? Yes, he/she/it does. No, he/she/it doesn't. 注意：简略回答中必须用人称代词（I, you, he, she, it, we, they），不能重复名词。 —Is your mother a teacher? → —Yes, she is.（不能说 Yes, my mother is.） 三、特殊疑问句 1. 概念 特殊疑问句是用 特殊疑问词 引导的疑问句，对句子中某个具体成分进行提问。回答时不能用 Yes/No，而要根据问句内容给出具体信息。 —What is your name? —My name is Li Ming. —Where is my book? —It's on the desk. —How do you go to school? —By bike. 2. 结构 特殊疑问句结构：特殊疑问词 + 一般疑问句语序？ 即：疑问词 + be/助动词 + 主语 + 其他？ What is your favorite color?（你的最爱颜色是什么？） Why do you like it?（你为什么喜欢它？） When does he get up?（他什么时候起床？） 注意： 当疑问词作主语时，句子用陈述句语序。 Who is your English teacher?（Who 作表语，用疑问语序） Who is singing in the room?（Who 作主语，用陈述语序） 3. 七年级上册常见特殊疑问词及用法 疑问词 中文 提问内容 例句 what 什么 事物、动作 —What is this? —It's a book. what time 几点 具体时刻 —What time do you get up? —At 6:30. who 谁 人物（主语/宾语） —Who is she? —She is my sister. whose 谁的 所属关系 —Whose book is this? —It's mine. where 在哪里 地点、位置 —Where is my pen? —It's on the desk. when 什么时候 时间（大范围） —When is your birthday? —In May. why 为什么 原因 —Why are you late? —Because I got up late. how 怎样/如何 方式、状态 —How are you? —I'm fine. how old 多大 年龄 —How old is your brother? —He is twelve. how many 多少 可数名词数量 —How many apples do you want? —Three. how much 多少 不可数名词数量/价格 —How much milk is there? —A little. how about ……怎么样 征求意见 —How about going swimming? —Good idea. 4. 特殊疑问句的回答 回答时直接给出具体信息，不需要用 Yes/No。 —What is your name? —My name is Lucy. —Where is your schoolbag? —It's on the chair. —How old are you? —I'm 13 years old. 四、选择疑问句 1. 概念 选择疑问句是提供两个或两个以上选项，让对方从中选择一项来回答的问句。选项中用 or（或者）连接。回答时不能用 Yes/No，而要从选项中选择一个。 —Is she a teacher or a student? —She is a student. —Do you like apples or oranges? —I like apples. —Is your bag red or blue? —It's red. 2. 结构 （1）一般疑问句 + or + 选择项？ —Is your father a doctor or a nurse?（你爸爸是医生还是护士？） —Does she go to school by bus or by bike?（她乘公交还是骑自行车上学？） （2）特殊疑问句 + A or B？（较少见，初一不要求掌握） —Which do you like better, apples or oranges? 3. 选择疑问句的回答 必须从所给选项中选择其一（也可以给出自己独立的想法），不能用 Yes/No。 —Is he at school or at home? —He is at school. —Would you like milk or juice? —Juice, please. 五、三种疑问句对比总结 对比项 一般疑问句 特殊疑问句 选择疑问句 开头 Be / Do / Does 特殊疑问词 一般疑问句 + or 回答方式 Yes / No 具体信息 从中选择一个 回答结构 Yes, 主语+be/do. / No, 主语+be/do+not. 直接回答内容 直接选择一项 例句 —Is he a teacher? —Yes, he is. —What is he? —He's a teacher. —Is he a teacher or a student? —He's a teacher. 六、注意事项（初一高频易错点） ⚠️ 注意一：一般疑问句中动词还原 主语是第三人称单数时，用 Does 提问后，动词必须还原为原形。 ❌ Does she likes apples? ✅ Does she like apples? ⚠️ 注意二：简略回答中的人称代词 回答中必须用人称代词，不能用名词。 ❌ —Is your mother a doctor? —Yes, my mother is. ✅ —Is your mother a doctor? —Yes, she is. ⚠️ 注意三：特殊疑问词作主语时用陈述句语序 当 who / what 作主语时，不需要用一般疑问句语序（不加助动词）。 ❌ Who does want to go?（错误，who 作主语） ✅ Who wants to go?（正确，陈述句语序） ⚠️ 注意四：选择疑问句不能用 Yes/No 回答 选择疑问句提供了选项，必须从中选择一个。 ❌ —Is it a cat or a dog? —Yes, it is. ✅ —Is it a cat or a dog? —It's a cat. ⚠️ 注意五：How many 与 How much 的区别 · How many + 可数名词复数：问数量 · How much + 不可数名词：问数量/价格 —How many apples do you have?（可数） —How much milk do you need?（不可数） —How much is this pen?（问价格） 七、分层练习题（30道） 第一层 · 基础巩固（第1-10题）⭐ 容易 1. —______ you a student? —Yes, I ______. A. Are; am B. Is; am C. Are; are D. Is; is 【答案】A 【解析】主语 you 用 Are；回答中 I 用 am。 2. —______ she like English? —No, she ______. A. Do; don't B. Does; doesn't C. Does; isn't D. Is; doesn't 【答案】B 【解析】主语 she 是单三，一般疑问句用 Does；否定回答用 doesn't。 3. —What ______ your name? —My name ______ Li Lei. A. is; is B. are; is C. is; am D. are; are 【答案】A 【解析】name 是单数，两空都用 is。 4. —______ is your English teacher? —Ms. Wang. A. What B. Who C. Where D. How 【答案】B 【解析】答语是“王老师”，问“谁”用 Who。 5. —______ is your pen? —It's on the desk. A. What B. Who C. Where D. How 【答案】C 【解析】答语是地点“在桌子上”，问地点用 Where。 6. —______ do you go to school? —By bike. A. What B. Who C. Where D. How 【答案】D 【解析】答语“骑自行车”表示方式，问方式用 How。 7. —Is this your book? —______. A. Yes, this is B. Yes, it is C. No, this isn't D. Yes, it's 【答案】B 【解析】回答 this 的疑问句用人称代词 it；肯定回答不能说 Yes, it's（缩写不完整），必须用 Yes, it is。 8. —Does your father ______ to work by car? —No, he ______. A. go; don't B. goes; doesn't C. go; doesn't D. goes; don't 【答案】C 【解析】Does 后接原形 go；否定回答用 doesn't。 9. —______ is she? —She is my sister. A. What B. Where C. Who D. How 【答案】C 【解析】答语“我的妹妹”表示人物，问“谁”用 Who。 10. —______ is your mother? —She is 38. A. How old B. How much C. How many D. How long 【答案】A 【解析】答语“38”表示年龄，问年龄用 How old。 第二层 · 能力提升（第11-20题）⭐⭐ 中等 11. —______ your brother like playing basketball? —Yes, he ______. A. Does; do B. Do; does C. Does; does D. Do; do 【答案】C 【解析】your brother 单三，用 Does；肯定回答用 does。 12. —______ does your mother go to work? —At 7:30. A. What B. Where C. What time D. How 【答案】C 【解析】答语“7:30”是具体时刻，问时刻用 What time。When 也可以问时间，但具体时刻用 What time 更精准，且选项无 When。 13. —______ milk do we need? —Two bottles. A. How many B. How much C. How long D. How often 【答案】B 【解析】milk 是不可数名词，问数量用 How much。 14. —Is she a nurse ______ a teacher? —She is a teacher. A. and B. but C. or D. so 【答案】C 【解析】选择疑问句用 or 连接选项。 15. —______ are you? —I'm fine, thanks. A. What B. Who C. Where D. How 【答案】D 【解析】答语“我很好”表示状态，问“如何”用 How。 16. —______ is your schoolbag? —It's blue. A. What color B. What C. Where D. Who 【答案】A 【解析】答语“蓝色”表示颜色，问颜色用 What color。 17. —Do they ______ to school every day? —No, they ______. A. goes; don't B. go; don't C. go; doesn't D. goes; doesn't 【答案】B 【解析】Do 后接原形 go；否定回答 they 用 don't。 18. —______ is that woman? —She is my aunt. A. What B. Where C. How D. Who 【答案】D 【解析】问人物身份/关系用 Who。 19. —______ apples do you want? —I want three. A. How much B. How many C. How old D. How long 【答案】B 【解析】apples 是可数复数，问数量用 How many。 20. —______ is your father? —He is a doctor. A. Who B. Where C. How D. What 【答案】D 【解析】问职业用 What。（What is your father? = What does your father do?） 第三层 · 拓展挑战（第21-30题）⭐⭐⭐ 较难 21. —______ she ______ her homework every day? —Yes, she does. A. Does; do B. Do; does C. Does; does D. Do; do 【答案】A 【解析】she 单三用 Does；Does 后接原形 do。 22. —______ is your favorite subject? —English. A. What B. Who C. Where D. Why 【答案】A 【解析】答语“英语”是事物，问“什么”用 What。 23. —______ is your school? —It's on Green Street. A. What B. Who C. Where D. How 【答案】C 【解析】答语是地点“在格林街”，问地点用 Where。 24. —______ do you like pandas? —Because they are very cute. A. What B. Who C. Where D. Why 【答案】D 【解析】答语“因为……”表示原因，问原因用 Why。 25. —Does your sister ______ tennis? —Yes, she ______. A. like; like B. likes; likes C. like; does D. likes; does 【答案】C 【解析】Does 后接原形 like；肯定回答用 does 代替动词。 26. —______ is the price of this book? —It's 25 yuan. A. How many B. How much C. What D. How 【答案】C 【解析】问价格可以说 How much is this book? 或 What is the price of this book? 此处用 What。 27. —Are these your parents ______ your teachers? —They are my parents. A. and B. but C. or D. so 【答案】C 【解析】选择疑问句用 or 连接。 28. —______ is your grandma? —She is 70 years old. A. How many B. How much C. How old D. How long 【答案】C 【解析】问年龄用 How old。 29. —______ are you late for school? —Because I get up late. A. What B. Where C. Why D. How 【答案】C 【解析】答语“因为……”表示原因，用 Why。 30. —______ is your birthday? —It's in October. A. What time B. Where C. How D. When 【答案】D 【解析】答语“在十月”表示时间范围，用 When。What time 问具体时刻（几点几分），不适合回答月份。 1 学科网（北京）股份有限公司 $