Unit 3 Our Colourful School Life!知识填空-重点句型及语法详解(教师版+学生版)仁爱科普版(2024)七年级上册

资源下载
  1. 二一教育资源

Unit 3 Our Colourful School Life!知识填空-重点句型及语法详解(教师版+学生版)仁爱科普版(2024)七年级上册

资源简介

中小学教育资源及组卷应用平台
Unit 3 Our Colourful School Life!
重点句型详解
The class begins at 8 o'clock. 。(翻译)
易混辨析:on、in、at在接时间时区别:
on 后常接具体某一天或某一天的早午晚
m 后常接周、月、年、季节等一段时间:
at 后常接具体的某一时刻,如几点钟等
Eg:在周一on Monday;
在周一下午on on day afternoon;
在一个寒冷的早上on a cold morning
在五月份in May;
在2000年in 2000;
在夏天in summer;
在一个礼拜之内In a week;
在六点At 6:00;
【练一练】
用方框中所给单词或词组的适当形式填空,使短文完整正确。(每个单词或词组限用一次。)
in read what time go on what at
Mark is a middle school student. He is in Grade 7 at No. 6 Middle School. Here is something about his school day.
1 does Mark often get up on weekdays He often gets up at 6:30 a. m. He always 2 to school with his friend Tony at 7:00 a. m. The first class starts 3 eight o’clock. Tony and Mark are in the same class. They have seven classes a day and three are 4 the morning. There are after-school activities 5 Mondays and Wednesdays. 6 does Mark always do He always 7 English books. About half past six, it’s time to go home.
This is Mark’s school day.
2.时间表达法:
知识点拨
(1)整点:基数词(+o'clock)
Eg:three o'clock三点
(2)如果分钟不超过 30,可直接用“钟点 + 分钟”表达
Eg:nine twenty九点二
或用“分钟 +past + 钟点”表示几点过几分
Eg:twenty past nine 九点二
(3)当分钟是 30 时,可用 half 表示“半点’
Eg: half past six六点半
或用“钟点 + 分钟”
Eg: six thirty六点半
(4)如果分钟超过 30,可用“钟点 + 分钟”
Eg: five forty五点四十
或“(60-分钟数)+to+ (时钟数+1)”表达
Eg: twenty to six五点四十
(5)分钟为 15分时,一般用 a quarter 来代替 fifteen
Eg: a quarter past four四点十五
A quarter to three 两点四十五
【练一练】
1.我通常六点半吃完饭。
I usually have dinner .
2.It's five fifteen now.(同义句转换)
It's .
3.We all like the PE class. (翻译)
、易混辨析: both 与 all 区别:
Both 强调两者之间,可与 of and 连用,而 all 强调三者或三者以上,只可以与of 连用;二者作主语时,谓语动词都需用复数形式。
Eg: Both of them are friendly.他们两个都很友好。
All of them are friendly.他们所有人都很友好。
4.What time is it now (翻译)
知识点拨:本句常常用来询问时间,其同义句为“What's the time now ”易混辨析:What time 和 when 区别:
What time“几点”,常常用来询问时间点,此时相当于 when;
When“什么时候”,既可以问时间点,也可以问时间段,还可以询问年、月、日。
Eg:--What time do you usually go to school --At 7:00
你通常什么时候去上学 --在7:00.
--When do you go to school --From Monday to Friday
你什么时候去上学 --从周一到周五。
5. It's time for our Chinese class. (翻译)
知识点拨:time用法小结
Time 为不可数名词时,译为“时间”;为可数名词时,译为“次数”
常见搭配:It's time for sth.=It's time (for sb.)to do sth.
到了(某人)做某事的时候到了我们吃晚饭的时候。
Eg: It's time for dinner.=It's time for us to have dinner.
知识拓展:其它常见搭配有时
on time
in time
all the time
at times
three times
how many times
【练一练】
It’s eight o’clock. It’s time for ________ (play) football.
It is time to have ... class. (翻译)
知识点拨:
Have+学科 class/ lesson 上 课
Eg: We have PE lessons on Wednesday and Friday.我们周三和周五上体育课。
But sometimes by bike. (翻译)
【答案】但有时骑自行车
易混辨析:sometime,sometime,sometimes与some times的区别:
歌谣:分开“一段时间(some time)”;
相聚“某个时刻(sometime)”;
“有时(sometimes)”相聚加 s;
分开“几次(some times)”加 s。
【练一练】
用some time, sometime, some times或sometimes填空
1. My uncle will come ________ next month and he will stay here for ________.
2. Millie often goes to school by bus but ________ her mother drives her to school.
3. We’ll visit Harvard ________ next month.
4. Everyone will make mistakes ________ during the working.
5. ________ I work with my classmates after school.
6. Can you please spend ________ explaining it to us
7. Daniel goes to the zoo ________ a month.
How about you (翻译)
【答案】你呢
知识点拨:how about 常用来建议、看法等,相当于what about;注意:后面常常接名词、代词或动词 ing 形式。
Eg: How about your mother 你妈妈呢
How about going swimming 去游泳怎么样
9.Work hard 努力工作
知识点拨:work(名词/动词)工作;运转
常见搭配:at work 在工作
Eg:He works from Monday to Friday.他从周一到周五上班。
My father is at work now.我爸爸现在正在工作。
How machines work 机器是如何运转的
10.Many other+ 名词复数 许多其它的..
Eg:We study Chinese, English and many other subjects.
我们学习汉语、英语和其它学科。
11.School bus校车
注意:其复数形式为 school buses
12. Take photos拍照
知识点拨:photo 为可数名词,译为“照片”,其复数形式为photos
常见搭配:take a photo/photos拍照
易混辨析:photo 和 picture 区别
photo 常指拍摄出来的图片;
picture 除“照片”之外,还可以表示“图片;电影”等。
Eg: He is taking a photo.他正在拍照片。
Here is a photo of my family.这是一张我的全家福。
【练一练】
他们去旅度假时经常拍照,
They often when they are on holiday.
13. Be different from ..与...不同
Eg: The book is different from that one.这本书和那本书不同。
14.Make friends with sb. 和某人交朋友
Eg: She wants to make friends with Lily.她想要和丽丽交朋友
【练一练】
她喜欢和其他人交朋友。
She likes the others.
On each floor (翻译)
知识点拨:Each(代词)(两个或两个以上人物中的)每个
常见搭配:Each family每个家庭(作主语时谓语动词用单数)
知识拓展:each 与 every 区别:
each 强调整体范围内的“每一个个体”;every 强调整体范围内的“每一个都”
each 可以用来指两个或两个以上的人或物,但 every 却指三个或三个以上的人或物
Every 只能作定语,each 不仅可作定语,也可以作主语或同位语每
Eg: Each man has his own name.个人有他自己的名字。
He has read every book on the shelves.书架上所有的书他都读过了。
【练一练】
用every, each填空
1. ________ of the boys can play basketball well.
2. They ________ have a nice car.
3. The books are 10 yuan ________.
4. He comes to see me ________ weekend.
16.Go through 浏览
Eg: Go through the text quickly快速浏览文章
17.Search for 搜寻
Eg: The police is searching for the lost boy.警察正在搜索丢失的男孩。
18.After school放学后
知识点拨:after 用法小结
After为介词,译为“在...之后”,后接动词 ing 形式;其反义词为 before 。常见搭配:1.after class
2.after lunch
Eg: After reading the letter, he threw it in the waste -paper basket.
他看完信后把它扔进了废纸篓。
【练一练】
根据汉语提示补全句子
我放学后和我的朋友们一起玩。
I play with my friends ________ ________.
19.Every day 译为“每天”,常常用在一般现在时中。
知识拓展:every week每周;every month 每月;every year每年;every term 每学期
易混辨析:every day与 everyday 区别
every day 译为“每天;天天”,放在句首或句末,表示发生的频率
everyday 为形容词,译为“日常的;普通的”,常作定语,修饰名词。
Eg:I help my mother to clean the house every day.我每天帮我妈妈打扫房间。
My time in the junior high school is exciting. (翻译)
知识拓展:
Senior high(school)
Primary school
Kindergarten
University/ college
21. Play sports with friends . (翻译)
知识点拨:with 用法小结
(1)“和.一起”
Eg: I go to school with Lily.我和莉莉一起去学校。
(2)“长着;戴着”
Eg: The girl with big eyes is Lily.那个长着大眼睛的女孩是丽丽。
(3)“拿着”
Eg:Our teacher goes into the classroom with a book.我们老师拿着一本书走进教室
(4)“用”
Eg: She wrote the letter with a pencil.她用铅笔写字。
(5)“带有”
Eg:I like drinking coffee with milk我喜欢和加奶的咖啡。
【练一练】
根据汉语提示补全句子
上周我爷爷和他的朋友们一起去北京了。
Last week my grandfather ________ ________ Beijing________ his friends.
22.Here is the web page of our school. (翻译)
知识点拨:Here are/ is..译为“这是/有…”当后面名词用单数时,则用 here is;后面名词为复数时,则用 here are.
注意:该句中 from Class 1,Grade 7为介词短语作后置定语,修饰前面名词 students。
Eg: Here is your ticket.这是你的票。
She is a girl from London .她是一个来自伦敦的女孩。
语法讲解
(一)频率副词
知识点拨:
频率副词用来表示某一动作发生的频率或某一状态出现的频率,常见的有(按程度由大到小排列)
always(总是,一直);usually(通常);often(经常);sometimes(有时);seldom (很少);never(从不)。
2.对频率副词提问常用 how often 开头
3.在句中位置
(1)在连系动词 be之后。
Eg:她有时非常忙
She is sometimes very busy.
在助动词或情态动词之后。
Eg:我会一直记得你。
I can always remember you.
(3)在行为动词之前。
Eg: 我们经常去那。
We often go there.
(4)sometimes 可放在句首、句中或句末。
Eg:有时她给我写信。
Sometimes she writes to me.
4. 用法
(1)often,always,usually 等常和一般现在时连用,表示现在经常或反复发生的动作。
Eg:我总是 10 点睡觉。
I always go to bed at ten o'clock.
always 可与进行时连用,并不强调动作正在进行,表示赞叹、厌烦等情绪、
Eg:他总是为其他人着想。
He is always thinking of others.
她总是问愚蠢的问题。
She is always asking silly questions.
【练一练】
选择适当的单词填空,每词限用一次。
often, always, sometimes, never, usually
1. Matt likes to play football. He _________ plays football on the playground.
2. Tim does not have much time to play tennis. He _________ plays tennis.
3. Bonnie is a member of the swimming team. She _________ swims after school.
4. Nico goes to her dancing lessons every day. She _________ dances for half an hour.
5. John _________ goes roller skating, because he doesn’t like it.
(二)there be 句型
知识点拨:
“There is/ are + 某物/某时”结构表示“某地或某时存在某物或某人”。这种结构中的 there 没有实际意义,There is后面加可数名词单数或不可数名词, There are 后面加可数名词复数。
注意:
1.切记 there be 句型有临近原则,即 be 动词同离其近的主语保持一致。
2.因句中有 be 动词,故变否定句式在 is/are 后加 not;变一般疑问句时将 is/are 提前。
3. Is/Are there 开头的一般疑问句其肯定回答为 Yes, there is/are.否定回答为 No,there isn' t /aren't。
4. 就数量提问时常用“how many + 可数名词复数”或“How much + 不可数名词”开头。
5.如果句中含有 some,在变为否定句和一般疑问句时需将 some 变成 any。
6. there be 句型过去式形式只需将is 变为 was;are 变为 were 即可。
Eg: 桌子上有一支钢笔。There is a pen on the desk.
There is some water in the bottle.瓶子里面有一些水。
There are some books in the bag.包里面有一些书。
There is a book and some pencils on the desk.桌子上有一本书和一些铅笔。
【练一练】
(一)用 be动词的正确形式填空
1. There a piano against the wall.
2. There some flowers on the desk.
3. There some tea in the cup.
4.There two tins of coke in the bag.
5.There three buildings and a beautiful garden in our school.
6. There some meat,some bread and some apples on the table.
7. There a picture and a clock on the wall.
8. There a bike behind the tree.
9. There seven days in a week.
10. There some water in the fridge.
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 (共 2 页)
21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
Unit 3 Our Colourful School Life!
重点句型详解
The class begins at 8 o'clock. 。(翻译)
【答案】八点开始上课。
易混辨析:on、in、at在接时间时区别:
on 后常接具体某一天或某一天的早午晚
m 后常接周、月、年、季节等一段时间:
at 后常接具体的某一时刻,如几点钟等
Eg:在周一on Monday;
在周一下午on on day afternoon;
在一个寒冷的早上on a cold morning
在五月份in May;
在2000年in 2000;
在夏天in summer;
在一个礼拜之内In a week;
在六点At 6:00;
【练一练】
用方框中所给单词或词组的适当形式填空,使短文完整正确。(每个单词或词组限用一次。)
in read what time go on what at
Mark is a middle school student. He is in Grade 7 at No. 6 Middle School. Here is something about his school day.
1 does Mark often get up on weekdays He often gets up at 6:30 a. m. He always 2 to school with his friend Tony at 7:00 a. m. The first class starts 3 eight o’clock. Tony and Mark are in the same class. They have seven classes a day and three are 4 the morning. There are after-school activities 5 Mondays and Wednesdays. 6 does Mark always do He always 7 English books. About half past six, it’s time to go home.
This is Mark’s school day.
【答案】1.What time2.goes3.at 4.in5.on6.what7.reads
2.时间表达法:
知识点拨
(1)整点:基数词(+o'clock)
Eg:three o'clock三点
(2)如果分钟不超过 30,可直接用“钟点 + 分钟”表达
Eg:nine twenty九点二
或用“分钟 +past + 钟点”表示几点过几分
Eg:twenty past nine 九点二
(3)当分钟是 30 时,可用 half 表示“半点’
Eg: half past six六点半
或用“钟点 + 分钟”
Eg: six thirty六点半
(4)如果分钟超过 30,可用“钟点 + 分钟”
Eg: five forty五点四十
或“(60-分钟数)+to+ (时钟数+1)”表达
Eg: twenty to six五点四十
(5)分钟为 15分时,一般用 a quarter 来代替 fifteen
Eg: a quarter past four四点十五
A quarter to three 两点四十五
【练一练】
1.我通常六点半吃完饭。
I usually have dinner .
2.It's five fifteen now.(同义句转换)
It's .
【答案】1.at half past six. 2.a quarter past six
3.We all like the PE class. (翻译)
【答案】我们都喜欢体育课。
易混辨析: both 与 all 区别:
Both 强调两者之间,可与 of and 连用,而 all 强调三者或三者以上,只可以与of 连用;二者作主语时,谓语动词都需用复数形式。
Eg: Both of them are friendly.他们两个都很友好。
All of them are friendly.他们所有人都很友好。
4.What time is it now (翻译)
【答案】现在几点了
知识点拨:本句常常用来询问时间,其同义句为“What's the time now ”易混辨析:What time 和 when 区别:
What time“几点”,常常用来询问时间点,此时相当于 when;
When“什么时候”,既可以问时间点,也可以问时间段,还可以询问年、月、日。
Eg:--What time do you usually go to school --At 7:00
你通常什么时候去上学 --在7:00.
--When do you go to school --From Monday to Friday
你什么时候去上学 --从周一到周五。
5. It's time for our Chinese class. (翻译)
【答案】到了我们上语文课的时候。
知识点拨:time用法小结
Time 为不可数名词时,译为“时间”;为可数名词时,译为“次数”
常见搭配:It's time for sth.=It's time (for sb.)to do sth.
到了(某人)做某事的时候到了我们吃晚饭的时候。
Eg: It's time for dinner.=It's time for us to have dinner.
知识拓展:其它常见搭配有时
on time
in time
all the time
at times
three times
how many times
【答案】按时;及时;一直;有时;三次;多少次
【练一练】
It’s eight o’clock. It’s time for ________ (play) football.
【答案】playing
It is time to have ... class. (翻译)
【答案】到了上...课的时候。
知识点拨:
Have+学科 class/ lesson 上 课
Eg: We have PE lessons on Wednesday and Friday.我们周三和周五上体育课。
But sometimes by bike. (翻译)
【答案】但有时骑自行车
易混辨析:sometime,sometime,sometimes与some times的区别:
歌谣:分开“一段时间(some time)”;
相聚“某个时刻(sometime)”;
“有时(sometimes)”相聚加 s;
分开“几次(some times)”加 s。
【练一练】
用some time, sometime, some times或sometimes填空
1. My uncle will come ________ next month and he will stay here for ________.
2. Millie often goes to school by bus but ________ her mother drives her to school.
3. We’ll visit Harvard ________ next month.
4. Everyone will make mistakes ________ during the working.
5. ________ I work with my classmates after school.
6. Can you please spend ________ explaining it to us
7. Daniel goes to the zoo ________ a month.
【答案】1.sometimes2.sometime3.some time 4.Sometimes
5.some time 6.some times
How about you (翻译)
【答案】你呢
知识点拨:how about 常用来建议、看法等,相当于what about;注意:后面常常接名词、代词或动词 ing 形式。
Eg: How about your mother 你妈妈呢
How about going swimming 去游泳怎么样
9.Work hard 努力工作
知识点拨:work(名词/动词)工作;运转
常见搭配:at work 在工作
Eg:He works from Monday to Friday.他从周一到周五上班。
My father is at work now.我爸爸现在正在工作。
How machines work 机器是如何运转的
10.Many other+ 名词复数 许多其它的..
Eg:We study Chinese, English and many other subjects.
我们学习汉语、英语和其它学科。
11.School bus校车
注意:其复数形式为 school buses
12. Take photos拍照
知识点拨:photo 为可数名词,译为“照片”,其复数形式为photos
常见搭配:take a photo/photos拍照
易混辨析:photo 和 picture 区别
photo 常指拍摄出来的图片;
picture 除“照片”之外,还可以表示“图片;电影”等。
Eg: He is taking a photo.他正在拍照片。
Here is a photo of my family.这是一张我的全家福。
【练一练】
他们去旅度假时经常拍照,
They often when they are on holiday.
【答案】take photos
13. Be different from ..与...不同
Eg: The book is different from that one.这本书和那本书不同。
14.Make friends with sb. 和某人交朋友
Eg: She wants to make friends with Lily.她想要和丽丽交朋友
【练一练】
她喜欢和其他人交朋友。
She likes the others.
【答案】making friends with
On each floor (翻译)
【答案】在每层楼
知识点拨:Each(代词)(两个或两个以上人物中的)每个
常见搭配:Each family每个家庭(作主语时谓语动词用单数)
知识拓展:each 与 every 区别:
each 强调整体范围内的“每一个个体”;every 强调整体范围内的“每一个都”
each 可以用来指两个或两个以上的人或物,但 every 却指三个或三个以上的人或物
Every 只能作定语,each 不仅可作定语,也可以作主语或同位语每
Eg: Each man has his own name.个人有他自己的名字。
He has read every book on the shelves.书架上所有的书他都读过了。
【练一练】
用every, each填空
1. ________ of the boys can play basketball well.
2. They ________ have a nice car.
3. The books are 10 yuan ________.
4. He comes to see me ________ weekend.
【答案】1.Each 2.each 3.each 4every
16.Go through 浏览
Eg: Go through the text quickly快速浏览文章
17.Search for 搜寻
Eg: The police is searching for the lost boy.警察正在搜索丢失的男孩。
18.After school放学后
知识点拨:after 用法小结
After为介词,译为“在...之后”,后接动词 ing 形式;其反义词为 before 。常见搭配:1.after class
2.after lunch
【答案】1.下课后2.午饭后
Eg: After reading the letter, he threw it in the waste -paper basket.
他看完信后把它扔进了废纸篓。
【练一练】
根据汉语提示补全句子
我放学后和我的朋友们一起玩。
I play with my friends ________ ________.
【答案】after school
19.Every day 译为“每天”,常常用在一般现在时中。
知识拓展:every week每周;every month 每月;every year每年;every term 每学期
易混辨析:every day与 everyday 区别
every day 译为“每天;天天”,放在句首或句末,表示发生的频率
everyday 为形容词,译为“日常的;普通的”,常作定语,修饰名词。
Eg:I help my mother to clean the house every day.我每天帮我妈妈打扫房间。
My time in the junior high school is exciting. (翻译)
【答案】我在初中的时光很令人兴奋。
知识拓展:
Senior high(school)
Primary school
Kindergarten
University/ college
【答案】高级中学;小学;幼儿园;大学
21. Play sports with friends . (翻译)
【答案】和朋友一起做运动
知识点拨:with 用法小结
(1)“和.一起”
Eg: I go to school with Lily.我和莉莉一起去学校。
(2)“长着;戴着”
Eg: The girl with big eyes is Lily.那个长着大眼睛的女孩是丽丽。
(3)“拿着”
Eg:Our teacher goes into the classroom with a book.我们老师拿着一本书走进教室
(4)“用”
Eg: She wrote the letter with a pencil.她用铅笔写字。
(5)“带有”
Eg:I like drinking coffee with milk我喜欢和加奶的咖啡。
【练一练】
根据汉语提示补全句子
上周我爷爷和他的朋友们一起去北京了。
Last week my grandfather ________ ________ Beijing________ his friends.
【答案】went to;with
22.Here is the web page of our school. (翻译)
【答案】这是我们学校的网页。
知识点拨:Here are/ is..译为“这是/有…”当后面名词用单数时,则用 here is;后面名词为复数时,则用 here are.
注意:该句中 from Class 1,Grade 7为介词短语作后置定语,修饰前面名词 students。
Eg: Here is your ticket.这是你的票。
She is a girl from London .她是一个来自伦敦的女孩。
语法讲解
(一)频率副词
知识点拨:
频率副词用来表示某一动作发生的频率或某一状态出现的频率,常见的有(按程度由大到小排列)
always(总是,一直);usually(通常);often(经常);sometimes(有时);seldom (很少);never(从不)。
2.对频率副词提问常用 how often 开头
3.在句中位置
(1)在连系动词 be之后。
Eg:她有时非常忙
She is sometimes very busy.
在助动词或情态动词之后。
Eg:我会一直记得你。
I can always remember you.
(3)在行为动词之前。
Eg: 我们经常去那。
We often go there.
(4)sometimes 可放在句首、句中或句末。
Eg:有时她给我写信。
Sometimes she writes to me.
4. 用法
(1)often,always,usually 等常和一般现在时连用,表示现在经常或反复发生的动作。
Eg:我总是 10 点睡觉。
I always go to bed at ten o'clock.
always 可与进行时连用,并不强调动作正在进行,表示赞叹、厌烦等情绪、
Eg:他总是为其他人着想。
He is always thinking of others.
她总是问愚蠢的问题。
She is always asking silly questions.
【练一练】
选择适当的单词填空,每词限用一次。
often, always, sometimes, never, usually
1. Matt likes to play football. He _________ plays football on the playground.
2. Tim does not have much time to play tennis. He _________ plays tennis.
3. Bonnie is a member of the swimming team. She _________ swims after school.
4. Nico goes to her dancing lessons every day. She _________ dances for half an hour.
5. John _________ goes roller skating, because he doesn’t like it.
【答案】1.often 2.sometimes 3.usually 4.always 5.never
(二)there be 句型
知识点拨:
“There is/ are + 某物/某时”结构表示“某地或某时存在某物或某人”。这种结构中的 there 没有实际意义,There is后面加可数名词单数或不可数名词, There are 后面加可数名词复数。
注意:
1.切记 there be 句型有临近原则,即 be 动词同离其近的主语保持一致。
2.因句中有 be 动词,故变否定句式在 is/are 后加 not;变一般疑问句时将 is/are 提前。
3. Is/Are there 开头的一般疑问句其肯定回答为 Yes, there is/are.否定回答为 No,there isn' t /aren't。
4. 就数量提问时常用“how many + 可数名词复数”或“How much + 不可数名词”开头。
5.如果句中含有 some,在变为否定句和一般疑问句时需将 some 变成 any。
6. there be 句型过去式形式只需将is 变为 was;are 变为 were 即可。
Eg: 桌子上有一支钢笔。There is a pen on the desk.
There is some water in the bottle.瓶子里面有一些水。
There are some books in the bag.包里面有一些书。
There is a book and some pencils on the desk.桌子上有一本书和一些铅笔。
【练一练】
(一)用 be动词的正确形式填空
1. There a piano against the wall.
2. There some flowers on the desk.
3. There some tea in the cup.
4.There two tins of coke in the bag.
5.There three buildings and a beautiful garden in our school.
6. There some meat,some bread and some apples on the table.
7. There a picture and a clock on the wall.
8. There a bike behind the tree.
9. There seven days in a week.
10. There some water in the fridge.
【答案】1.is 2. are 3.is 4.are 5.are 6.is 7.is 8.is 9.are 10.is
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 (共 2 页)
21世纪教育网(www.21cnjy.com)

展开更多......

收起↑

资源列表