陕旅版四年级英语上册全册ppt课件.pptx

上传人:牧羊曲112 文档编号:1867449 上传时间:2022-12-22 格式:PPTX 页数:609 大小:77.67MB
返回 下载 相关 举报
陕旅版四年级英语上册全册ppt课件.pptx_第1页
第1页 / 共609页
陕旅版四年级英语上册全册ppt课件.pptx_第2页
第2页 / 共609页
陕旅版四年级英语上册全册ppt课件.pptx_第3页
第3页 / 共609页
陕旅版四年级英语上册全册ppt课件.pptx_第4页
第4页 / 共609页
陕旅版四年级英语上册全册ppt课件.pptx_第5页
第5页 / 共609页
点击查看更多>>
资源描述

《陕旅版四年级英语上册全册ppt课件.pptx》由会员分享,可在线阅读,更多相关《陕旅版四年级英语上册全册ppt课件.pptx(609页珍藏版)》请在三一办公上搜索。

1、,陕西旅游版 四年级上册,Unit 1 What Is Your Father?,Part C Listen and write T or F,Part A Warming-upLets learn,2,Grandma,Father,Grandpa,Grandma,I am a teacher.I can teach.ABCDEFG.,I am a driver.I can drive.滴滴滴,滴滴滴.,I am a farmer.I can farm.嗨呦呦,嗨呦呦。,/ns/(名词)护士,/dkt(r)/(名词)医生,/drav(r)/(名词)司机,/plismn/(名词) 男警察,/wk

2、(r)/(名词)工人,nurse,cook,/kk/(名词)厨师,doctor,driver,policeman,worker,farmer,/fm(r)/(名词)农民,点击电视机,跟我一起学词汇吧!,新词展示,词汇巩固,nur e,c_ _k,doct_ _,driv_ _,work r,farm_ _,police_ _ n,or,er,s,ma,er,e,oo,My mother is a nurse.我的妈妈是一名护士。,例句,nurses,复数形式,/ns/(名词)护士,nurse,cook也可以作动词,意思是“烹饪”。,【例句】 He can cook delicious food

3、. 他能做美味的食物。,cook /kk/(名词)厨师,例句,My father is a cook. 我的爸爸是一名厨师。,注意,farmer /fm(r)/(名词)农民,例句,This is a farmer. 这是一个农民。,复数形式,farmers,doctor /dkt(r)/(名词)医生,例句,Lets go to see the doctor. 我们去看医生吧。,复数形式,doctors,【注意】 doctor首字母大写时为Doctor,意为“博士”。【例句】 Doctor Li is very famous. 李博士非常出名。,worker /wk(r)/(名词)工人,例句,H

4、er father is a worker. 她的爸爸是一名工人。,复数形式,workers,driver /drav(r)/(名词)司机,例句,He is a driver. 他是一名司机。,复数形式,drivers,oliceman /plismn/(名词)男警察,例句,Her brother is a policeman. 她的哥哥是一名警察。,复数形式,policemen,点击电视机,跟我一起练听力吧!,听一听,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,护士,医生,司机,男警察,工人,nurse,cook,厨师,doctor,driver,polic

5、eman,worker,farmer,农民,重点词汇,17,背写有关职业的新单词。,Thank You,陕西旅游版 四年级上册,Unit 1 What Is Your Father?,Part A Think and match & Lets talk,Part C Lets chant,20,点击电视机,跟我一起读课文吧!,课文朗读,Li Shan, what is your father?,He is a cook.,She is a doctor.,What about your mother?,-李珊,你的爸爸是做什么工作的? -他是一名厨师。-你的妈妈呢? -她是一名医生。,Li S

6、han, what is your father?李珊,你的爸爸是做什么工作的? He is a cook. 他是一名厨师。,这是询问某人做什么工作及其回答的句型。what是特殊疑问词,意思是“什么”,常用来询问某人的职业。,详解,例句,What is your sister?,She is a teacher.,Su Nan, what is your father?,My father is a worker.,No, she isnt. She is a nurse.,Is your mother a worker, too?,-苏南,你的爸爸是做什么工作的?-我的爸爸是一名工人。-你的

7、妈妈也是一名工人吗?-不,她不是。她是一名护士。,Is your mother a worker, too? 你的妈妈也是一名工人吗? No, she isnt. 不,她不是。,这是询问某人是否也做某种工作及其回答的句型。肯定回答用“Yes, ”,否定回答用“No, ”。,详解,例句, Is your brother a teacher? 你的哥哥是老师吗? Yes, he is. 是的,他是。 No, he isnt.不,他不是。,点击播放,一、给下列句子选择正确的翻译。,()1. What is your father?()2. Is your mother a worker, too?(

8、)3. She is a doctor.()4. He is a cook.()5. My father is a worker.,A.她是一名医生。B.你的爸爸是做什么工作的?C.我的爸爸是一名工人。D.你的妈妈也是一名工人吗?E.他是一名厨师。,B,D,A,E,C,二、按要求写句子。,1.My father is a worker.(对画线部分提问)2.aheworkeris (.)(连词成句)3.Is your father a doctor, too?(做肯定回答)4.She is a doctor.(翻译成汉语)5.他是一名厨师。(翻译成英语),1. What is your fat

9、her?/What does your father do? /What is your fathers job?,2. He is a worker.,3. Yes, he is.,4. 她是一名医生。,5. He is a cook.,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,Li Shan, what is your father?李珊,你的爸爸是做什么工作的? He is a cook. 他是一名厨师。,Is your mother a worker, too? 你的妈妈也是一名工人吗? No, she isnt.不,她不是。,重点句型,32,用所学

10、的英文句式询问好友父母职业,介绍自己的父母职业。,Thank You,陕西旅游版 四年级上册,Unit 1 What Is Your Father?,Part B Lets learn more & Guess and say Look and match & Play a game,35,快速说单词,护士,医生,司机,男警察,工人,nurse,cook,厨师,doctor,driver,policeman,worker,farmer,农民,What is your grandpa?,He is a policeman.,I want to be a policeman, too.,want,

11、be,/bi/(动词)是,man,/wnt/(动词)想;想要,/mn/(名词)男人,例句,want /wnt/(动词)想;想要,【第三人称单数】 wants【搭配】 want to do sth想要做某事,She wants to be a nurse. 她想成为一名护士。,man /mn/(名词)男人,例句,men,复数形式,This man is my father. 这个人是我的爸爸。,词汇巩固,w_ _ t,m_n,/wnt/(动词)想;想要,/mn/(名词)男人,an,a,点击电视机,跟我一起读课文吧!,课文朗读,Is she your sister?,What is she?,Wo

12、w! I want to be a bus driver, too!,Yes.,She is a bus driver.,-她是你的姐姐吗? -是的。-她是做什么工作的? -她是一名公共汽车司机。-哦!我也想成为一名公共汽车司机!, Is she your sister? 她是你的姐姐吗? Yes. 是的。,这是询问是不是某人及其回答的句型,肯定回答用“Yes,”,否定回答用“No, ”。,详解,他是你的爸爸吗?是的,他是。不,他不是。,Yes, he is.,No, he isnt.,Is he your father?,例句:,I want to be a doctor, too! 我也想

13、成为一名医生! 这是某人想要做某事的句型。注意句中的want to be 的意思是“想成为”句型结构:主语 + want/wants + to do sth.,详解,I want to be a football player. 我想做一个足球运动员。,例句:,Who is that man?,He is my brother.,What is he?,Wow! I want to be a policeman, too! What about you?,I want to be a doctor.,He is a policeman.,那个男人是谁? 他是我的哥哥。他是做什么工作的? 他是一

14、名警察。哦!我也想成为一名警察! 你呢?我想成为一名医生。, Who is that man?那个人是谁? He is my brother. 他是我的哥哥。,这是询问某人是谁及其回答的句型。who是人称代词,常对人进行提问。,详解,Who is that boy?,He is my brother.,例句:,点击电视机,跟我一起读课文吧!,课文朗读,Play a game,54,你来比划我来猜,一、选择单词,补全句子或对话。A. WhoB. isC. WhatD. wants1. She a nurse. 2. is he? He is a farmer.3. is he? He is my

15、 father.4. He to be a cook.,B,C,A,D,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点词汇,want,man,/wnt/(动词)想;想要,/mn/(名词)男人,重点句型,I want to be a doctor, too! 我也想成为一名医生!, Is she your sister? 她是你的姐姐吗? Yes. 是的。,/bi/(动词)是,be,57,你还可以用英文说哪些职业?用英语询问一下同学。,Thank You,陕西旅游版 四年级上册,Unit 1 What Is Your Father?,Part C Ask an

16、d answer & Read and match & Look and complete,60,护士,医生,司机,男警察,工人,nurse,cook,厨师,doctor,driver,policeman,worker,farmer,农民,want,是,man,想;想要,男人,be,61,听音抢单词,点击播放,A: What is her grandma?B: She is a nurse.A: I want to be a nurse, too. What about you?B: I want to be a teacher.,A:她的奶奶是做什么工作的?B:她是一名护士。,A:我也想成为

17、一名护士。你呢? B:我想成为一名老师。,A: What is her grandma?B: She is a nurse.A: I want to be a nurse, too. What about you?B: I want to be a teacher.,A: What is her mother?B: She is a worker.A: I want to be a worker, too. What about you?B: I want to be a cook.,A:她的妈妈是做什么工作的?B:她是一名工人。A:我也想成为一名工人。你呢? B:我想成为一名厨师。,A: W

18、hat is her grandma?B: She is a nurse.A: I want to be a nurse, too. What about you?B: I want to be a teacher.,A: What is his grandfather?B: He is a doctor.A: I want to be a doctor, too. What about you?B: I want to be a driver.,A:他的爷爷是做什么工作的?B:他是一名医生。A:我也想成为一名医生。你呢?B:我想成为一名司机。,A: What is her grandma?B

19、: She is a nurse.A: I want to be a nurse, too. What about you?B: I want to be a teacher.,A: What is his brother?B: He is a farmer.A: I want to be a farmer, too. What about you?B: I want to be a policeman.,A:他的哥哥是做什么工作的?B:他是一名农民。A:我也想成为一名农民。你呢? B:我想成为一名警察。,A: What is her grandma?B: She is a nurse.A:

20、I want to be a nurse, too. What about you?B: I want to be a teacher.,Read and match,Hello! Im Panda. Im a doctor. I have some friends. Look! Monkey is a teacher and Dog is a driver. Cat is a cook. Rabbit is a worker. And Elephant is a nurse.,你好!我是熊猫。我是一名医生。我有一些朋友。看!猴子是一名老师,狗是一名司机。猫是一名厨师。兔子是一名工人。大象是一

21、名护士。,I have some friends. 我有一些朋友。,这是表达某人有某物的句型。have在此处的意思是“有”。,详解,I have some friends. 我有一些朋友。,详解,have,has,第一人称(I, we),第二人称(you)和第三人称复数,第三人称单数或单数名词,例句:,这是李明的哥哥。他是一名 。,李兰的姐姐是一名。,这个男人是一名 。,doctor,nurse,teacher,医生,护士,老师,这个矮个子男人是一名。,这个女孩是一名 。,这个高个子男人是一名公共汽车。,driver,student,worker,司机,学生,工人,本课我们学习了以下知识,请同

22、学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点词汇,护士,医生,司机,男警察,工人,nurse,cook,厨师,doctor,driver,policeman,worker,farmer,农民,want,是,man,想;想要,男人,be,重点句型,1. Li Shan, what is your father? 李珊,你的爸爸是做什么工作的? He is a cook. 他是一名厨师。2. Is your mother a worker, too? 你的妈妈也是一名工人吗? No, she isnt. 不,她不是。 Is he a policeman?他是一名警察吗? Yes, he

23、is! 是的,他是!3. I want to be a bus driver, too!我也想成为一名公共汽车司机!4. Who is that man? 那个男人是谁? He is my brother. 他是我的哥哥。,76,假设你去参加英语达人秀,填写报名表时,教师询问你家人的情况,现在请你和你的同桌编一个小对话。,Thank You,陕西旅游版 四年级上册,Unit 2 What Do They Have on the Farm?,Part A Warming-up&Lets learn,Part C Listen and color,79,五个手指分别带上五个猴子的手偶,另一只手戴上

24、一个鳄鱼的手偶,一起说唱吧: Five monkeys, five monkeys in the tree. Crocodile, crocodile, wang, wang, wang. Four monkeys, four monkeys in the tree. Crocodile, crocodile, wang, wang, wang. Three monkeys, three monkeys in the tree. Crocodile, crocodile, wang, wang, wang. .,Chant,点击电视机,跟我一起学词汇吧!,新词展示,词汇巩固,f_ _m,h_n

25、,sh_ _p,d_ _k,c_w,h_ _se,p_g,e,e e,u c,o,a r,o r,i,My father works on the farm. 我的爸爸在农场里工作。,例句,farms,复数形式,/fm/(名词)农场,farm,【音近词】 house 房屋,【音近词】 call打电话,【形近词】luck幸运;运气,many一般修饰可数名词的复数形式, much修饰不可数名词。,Lets learn,farm,pig,horse,cow,duck,sheep,hen,听叫声,说单词,What is missing?,点击电视机,跟我一起练听力吧!,听一听,选择合适的单词,完成句子

26、。1. Whats(on/of)the farm?2. They(is/are)farmers.3. My father is a (farm/farmer).4. There are many(sheep/horse).,on,are,farmer,sheep,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点词汇,100,在纸上画出今天所学的动物,然后标注上英文单词。,Thank You,陕西旅游版 四年级上册,Unit 2 What Do They Have on the Farm?,Part A Warming-up & Lets talk,Part C

27、 Look, read and complete,103,五个手指分别带上五个猴子的手偶,另一只手戴上一个鳄鱼的手偶,一起说唱吧: Five monkeys, five monkeys in the tree. Crocodile, crocodile, wang, wang, wang. Four monkeys, four monkeys in the tree. Crocodile, crocodile, wang, wang, wang. Three monkeys, three monkeys in the tree. Crocodile, crocodile, wang, wang

28、, wang. .,Chant,哪些是农场动物?圈一圈。,think and circle,Whos on the farm?,师生问答,What is your father? What is your mother?What are your father and mother? What are they?,What is your grandpa?What is your grandma?What are your grandpa and grandma? What are they?,My grandpa is a farmer. My grandma is a farmer, to

29、o. They are farmers. They have a farm. Look at the picture. What do they have on the farm?,They have many animals on the farm. A horse, a cow, a hen, two ducks, four pigs and three sheep.,点击电视机,跟我一起读课文吧!,课文朗读,What are your grandpa and grandma?,Really?,They are farmers. They have a small farm.,Yes. I

30、ts nice.,Lets talk,They have a small farm. 他们有一个小农场。,这是描述某人有某物的句型。have在此处的意思是“有”。,详解,have的常见用法小结,表示“有”的意思,患病,表示“吃”“喝”,What do they have on the farm?,They have pigs, ducks, many animals.,农场里有什么? 有猪,鸭子许多动物。, What do they have on the farm?农场里有什么? They have pigs, ducks, many animals.有猪,鸭子许多动物。,句型结构: Wha

31、t + 助动词 (do/does)+ 主语 + have + 其他?回答: 主语 + have/has + 其他.,例句,I have pencils and rulers.,What do you have in your bag?,Miss Green has a . She has a small , twenty , seventeen , nineteen , many and some . There is green and many , too.,Look, read and complete,farm,dog,pigs,sheep,rabbits,ducks,cows,gra

32、ss,trees,1.看图片,选单词。,A.horse B.duck C.sheep D.cat E.cow,1.( ),2.( ),3.( ),5.( ),4.( ),C,A,D,E,B,2.选择合适的单词,完成句子。 (1) Whats(on/of)the farm? (2) They(is/are)farmers. (3) My father is a (farm/farmer). (4)The are many(sheep/horse).,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点句型, What do they have on the farm

33、?农场里有什么? They have pigs, ducks, many animals. 有猪,鸭子许多动物。,They have a small farm. 他们有一个小农场。,118,和朋友一起分角色表演对话。,Thank You,陕西旅游版 四年级上册,Part B Lets learn more & Lets play & Look, ask and answer,Unit 2 What Do They Have on the Farm?,121,Guessing games 猜猜它们是什么动物?,122,详解,Act like a cow! 表演奶牛!,祈使句是用来表示命令、请求或

34、建议的句子。,Keep quiet, please. 请保持安静。,例句,Hello, boys and girls.Today I have two boxes.Can you guess what is in each box?If you are right, I can give them to you as gifts.,I have some cars. But I dont have a kite. Now the cars are for you, Tina!,Thank you.,She has cars. But she doesnt have a kite.,No, sh

35、e doesnt. She doesnt have ships. She has cars.,点击电视机,听第一段对话,回答问题:Does Colin have a kite?,(No,he doesnt),课文朗读,科林的盒子里有什么?有小汽车,飞机和轮船。但是没有风筝。,A: bears B:ducks C:elephants D:rabbits E:sheep F:horses,课文朗读,盒子里有什么?有熊,鸭子,兔子和绵羊。但是没有马。,它们是什么?农场里有什么?教室里有什么?,They are farmers.They have ducks, sheep, cows, rabbits

36、, horses and pigs (on the farm).They have a blackboard, a TV, a cupboard(橱柜), fans, desks and chairs(in the classroom).,选择正确的答案。()1. What do they on the farm? A. hasB. have C. are()2. What do they have the classroom? A. onB. in C. at()3. There a pencil in the pencil box. A. isB. areC. be()4. Grandpa

37、 a farm. A. isB. haveC. has,B,B,A,C, What do they have on the farm?农场里有什么? They have pigs, ducks, many animals. 有猪,鸭子许多动物。 What does Colin have in his box?科林的盒子里有什么? He has cars, planes and ships. But he doesnt have a kite. 有汽车,飞机和船。但是没有风筝。,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点句型,136,自己用“询问某地有什么

38、及其回答的句型”举一反三写出三个句型。,Thank You,陕西旅游版 四年级上册,Part B Read a story,Unit 2 What Do They Have on the Farm?,Part C Look and say & Look and talk,140,听音猜动物,141,找朋友,指出听到的动物名称。,142,连线,horse,dog,pig,rabbit,duck,sheep,点击电视机,跟我一起读课文吧!,课文朗读,抛开课本,借助表格分组表演故事。,A:他们有什么?B:他们有许多动物。A:李珊有什么?B:她有,请一名学生扮演Li Shan,看图用“I have”句

39、型进行表达。,连词成句。1. rabbitwhere the is (?)2. on the iscatboxthe (.)3. farmtheonwhats (?)4. hascarsandheships (.),1.Where is the rabbit?,2. The cat is on the box.,3. Whats on the farm?,4. He has cars and ships./He has ships and cars.,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点词汇,护士,医生,司机,男警察,工人,nurse,cook,厨

40、师,doctor,driver,policeman,worker,farmer,农民,want,是,man,想;想要,男人,be,Theres a horse in my bedroom. 我的卧室里有一匹马。解读:这是表达某地有某物的there be 句型,注意be动词与名词的数保持一致。举一反三: There are many sheep on the farm. 农场里有很多绵羊。,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点句型,152,查找资料:各国的代表性动物是什么?,Thank You,陕西旅游版 四年级上册,Unit 3 Whats for

41、 Breakfast?,Part A Warming-up & Lets learn,中西方美食,Lets learn,I havefor breakfast.,I havefor lunch.,Look! Its 7 oclock, we should have_.,Look! Its 12 oclock, we should have_.,词汇巩固,快速反应说单词,Whats for breakfast?,I have_ for breakfast.,Draw your likes, or dislikes,What do you like? Can you tell me?,This g

42、ift is for you. 这是给你的礼物。,例句,/f(r)/(介词)就而言,for,例句,/wi/(代词)我们,we,We have rice for breakfast. 我们早餐吃米饭。,给下列单词分类。milkdogcokecatnoodlesbreadjuicedumplingspig动物: 饮料:食物:,动物: dogcatpig饮料: milkcokejuice食物: noodles breaddumplings,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点词汇,173,你喜欢吃什么食物?写下来,并标注上英文。,Thank You,陕西

43、旅游版 四年级上册,Unit 3 Whats for Breakfast?,Part A Warming-up&Lets talk,Part C Read and match,176,歌曲 Its time for breakfast,Lets talk听第一段录音,回答问题:This is Liu Zhaoyang, and these are,?,点击电视机,跟我一起听对话吧!,课文朗读,Great! Thank you, Mom.,We have eggs, bread and milk.,Good morning, Mom and Dad! Whats for breakfast?,听

44、第二段录音,回答问题:Liu Zhaoyang: What is for lunch?,Lets talk,点击电视机,跟我一起听对话吧!,课文朗读,Hi, Mom! Whats for lunch?,Look! We have rice, chicken, vegetables and soup.,Very good!, Whats for breakfast?早餐吃什么? We have eggs, bread and milk. 我们吃鸡蛋、面包,喝牛奶。,Role play,Whats for breakfast/ lunch?We have,点击电视机,跟我一起听对话吧!,课文朗读,

45、Read and match, Whats dinner? We have noodles.A. forB. atC. of,A,为下列句子选出正确的答语。()1. Good morning. A.Hello. B.Good morning.C.How are you?()2. Whats for breakfast? A.Bread. B.Good! C.Its good. ()3. Do you like eggs? A.No, I cant. B.Yes, I do. C.Yes, I am.()4. Lets have dinner! A.Hello. B.Sorry. C.Great

46、.,B,A,B,C,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点句型, Whats for breakfast? 早餐吃什么? We have eggs, bread and milk. 我们吃鸡蛋、面包,喝牛奶。,191,询问你的朋友他喜欢吃什么食物?写下来,并回答你朋友的问题。,Thank You,陕西旅游版 四年级上册,Part B Lets learn more & Play a game & Think, match and talk,Unit 3 Whats for Breakfast?,194,Brainstorm,说明:分组说出学过的有关食

47、物的单词,说对计分,分出胜负。 限时三分钟!,【例句】 My brother watches TV very little. 我很少看电视。,Lets learn moreI can see from the picture.,听录音,回答问题:Does Kitty have dumplings at home?Do they have rice?,点击电视机,跟我一起听对话吧!,课文朗读,Hi, Kitty. Welcome! Dinner is ready!,Hello, Aunt Li.,Mom, whats for dinner?,Great! I like dumplings.,We

48、 have dumplings.,Do you have dumplings at home, Kitty?,Do you have noodles?,Very little.,No, we dont. We have bread, fish, meat, chicken and vegetables.,详解,Dinner is ready! 晚餐准备好了!,这是表达某物或者某事准备好了的句型, ready在此意思是“准备好的”。,详解,I like dumplings. 我喜欢饺子。,like在句中是“喜欢”的意思。like后边可以接名词,也可以接动词不定式。注意:当like后面的名词为可数

49、名词时,要使用复数形式。,详解, Do you have lunch at school?你在学校吃午餐吗? Yes, I do. 是的,我在。 No, I dont. 不,我不在。,这是一个由do引导的一般疑问句,肯定回答用“Yes,”,否定回答用“No, ”。,为下列句子选出正确的答语。()1. Good morning. A. Hello.B. Good morning.C. How are you?()2. Whats for breakfast? A. Bread. B. Good! C. Its good. ()3. Do you like eggs? A. No, I cant.

50、 B. Yes, I do. C. Yes, I am.()4. Lets have dinner! A. Hello. B. Sorry. C. Great.,B,A,B,C,本课我们学习了以下知识,请同学们一定加强巩固,以便能和同学们进行灵活交流哦!,重点句型,一日三餐用语:Dinner is ready.Whats for dinner?We haveDo you have?No, we dont / Very little.,208,Role play,Thank You,陕西旅游版 四年级上册,Unit 3 Whats for Breakfast?,Part B Lets chant

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 生活休闲 > 在线阅读


备案号:宁ICP备20000045号-2

经营许可证:宁B2-20210002

宁公网安备 64010402000987号