3d贴吧领袖吧

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3d贴吧领袖吧(共3篇)

3d贴吧领袖吧(一):

初一英语练习册65

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百度知道 > 教育/科学 > 外语学习 > 英语考试添加到搜藏已解决
初一英语试卷
悬赏分:5 - 解决时间:2009-10-14 21:08
Hello,boys and girls.I"m an English girl.My first name is Linda,and my family name is Miller.You can call me Linda.I"m nine years old
My mother is a teacher in my school.She is ourmath teacher.My father is a driver.My phone number is 0550-493458.I have a friend.Its name is Tony.Is it a student?No,it is a dog.It is at home every day.
根据短文类容回答问题:
1.What"s the girl"s full name?
2.Is Linda eight years old?
3.Is Linda an English girl?
4.What"s Linda"s phone number?
5.What"s Tony?
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice ____(photo)
2._____(be)these your keys?
3.The boy ____(be not)my brother
4._____(that) are my brother and sister.
5.Here are three _____(picture)
根据首字母或汉语提示写单词补全句子
1.what"s this in E_____?
2.Tom,t____ is my friend,David.
3.How do you s____ it? B-O-O-K
三.选择填空补全对话,有两个多余选项
mother,she,are,he,these,her,this,grandparents,my,sister
A.Hi,this is a photo of my family.
B.Oh!Are _____ your parents?
A.NO.They"re my _____.These are my parents.This is _____ father.His name is Mark.And this is my _____.Her name is Lisa.
B.Is this your _____?
A.Yes,____ is.His name is Bill.And these _____ my cousins.
B.Is this your ______?
A.No,that"s my aunt.____ name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.____________ Yes,it is 图片:尺子
2.What"s this in English? ____________ 图片:时钟
3.___________ No,she isn"t my sister. 图片:小女孩
4.Is it an orange? _________ 图片:西红柿
5.___________ It"s black and blue 图片:书包
五.书面表达
假如你是李明,在英语口语课上,你的外教让你用英语介绍一下你的文具.请根据下面的文具写一篇小短文,不少于5句话
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
提问者: 蓝缘星魂 - 三级最佳答案Hello,boys and girls.I"m an English girl.My first name is Linda,and my family name is Miller.You can call me Linda.I"m nine years old
My mother is a teacher in my school.She is ourmath teacher.My father is a driver.My phone number is 0550-493458.I have a friend.Its name is Tony.Is it a student?No,it is a dog.It is at home every day.
根据短文类容回答问题:
1.What"s the girl"s full name? Her full name is Linda Miller.
2.Is Linda eight years old? No, she is nine years old.
3.Is Linda an English girl? Yes, she is.
4.What"s Linda"s phone number? Her phone number is 0550-493458
5.What"s Tony? He is Tony"s friend.
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice __photos__(photo)
2.__Are___(be)these your keys?
3.The boy __isn"t__(be not)my brother
4.__Those___(that) are my brother and sister.
5.Here are three __pictures___(picture)
根据首字母或汉语提示写单词补全句子
1.what"s this in E__nglish___?
2.Tom,t_his___ is my friend,David.
3.How do you s__pell__ it? B-O-O-K
三.选择填空补全对话,有两个多余选项
mother,she,are,he,these,her,this,grandparents,my,sister
A.Hi,this is a photo of my family.
B.Oh!Are __these___ your parents?
A.NO.They"re my __grandparents___.These are my parents.This is __my___ father.His name is Mark.And this is my __mother___.Her name is Lisa.
B.Is this your __brother___?
A.Yes,_he___ is.His name is Bill.And these ___are__ my cousins.
B.Is this your __sister____?
A.No,that"s my aunt.__Her__ name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.__Is this a ruler?__________ Yes,it is 图片:尺子
2.What"s this in English? ____It is a clock________ 图片:时钟
3.___Is that girl your sister?________ No,she isn"t my sister. 图片:小女孩
4.Is it an orange? ___No, it is a tomato.______ 图片:西红柿
5.____What"s the color of your bag?_______ It"s black and blue 图片:书包
五.书面表达
假如你是李明,在英语口语课上,你的外教让你用英语介绍一下你的文具.请根据下面的文具写一篇小短文,不少于5句话
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
I"m a student, I have a beautiful bag. Many books and a pencil box in it. There are a pen, two rulers, three pencils and two erasers. I can use them to write, and draw pictures.Futhermore, the pen is my birthday present when I was 10 years old.
144回答者: rao_woody - 五级 2009-10-13 15:13
我来评论>>
提问者对于答案的评价:(*^__^*) 嘻嘻…… 谢谢
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更多关于初一英语试卷的问题>>
查看同主题问题: 初一英语 试卷
其他回答 共 2 条
根据短文类容回答问题:
1.What"s the girl"s full name?
Her name is Linda Miller
2.Is Linda eight years old?
No, she is not.
3.Is Linda an English girl?
Yes she is.
4.What"s Linda"s phone number?
Her phone number is 0550-493458.
5.What"s Tony?
Tony is a dog.
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice photos.
2.Are these your keys?
3.The boy is not my brother
4.Thoes are my brother and sister.
5.Here are three pictures.
根据首字母或汉语提示写单词补全句子
1.what"s this in English?
2.Tom,this is my friend,David.
3.How do you spell it? B-O-O-K
三.选择填空补全对话,有两个多余选项
A.Hi,this is a photo of my family.
B.Oh!Are these your parents?
A.NO.They"re my grandparents.These are my parents.This is my father.His name is Mark.And this is my mother.Her name is Lisa.
B.Is this your brother?
A.Yes,he is.His name is Bill.And these are my cousins.
B.Is this your sister?
A.No,that"s my aunt.Her name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.Is this a ruler? Yes,it is 图片:尺子
2.What"s this in English? It is a clock.图片:时钟
3.Is she your sister? No,she isn"t my sister. 图片:小女孩
4.Is it an orange? No,it is not. 图片:西红柿
5.What color is this backpack? It"s black and blue 图片:书包
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
There lots of things in my own pencil-case.For example,there is a pen.There are two rulers that are used to draw pictures in math class.My two erasers are really cute.I love them very much.By the way,there are also three pencils in my pencil-case.All of them are very important and useful.
回答者: huaxi_firefly - 五级 2009-10-12 22:46
根据短文类容回答问题:
1.What"s the girl"s full name?
Her name is Linda Miller
2.Is Linda eight years old?
No, she is not.
3.Is Linda an English girl?
Yes she is.
4.What"s Linda"s phone number?
Her phone number is 0550-493458.
5.What"s Tony?
Tony is a dog.
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice photos.
2.Are these your keys?
3.The boy is not my brother
4.Thoes are my brother and sister.
5.Here are three pictures.
根据首字母或汉语提示写单词补全句子
1.what"s this in English?
2.Tom,this is my friend,David.
3.How do you spell it? B-O-O-K
三.选择填空补全对话,有两个多余选项
A.Hi,this is a photo of my family.
B.Oh!Are these your parents?
A.NO.They"re my grandparents.These are my parents.This is my father.His name is Mark.And this is my mother.Her name is Lisa.
B.Is this your brother?
A.Yes,he is.His name is Bill.And these are my cousins.
B.Is this your sister?
A.No,that"s my aunt.Her name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.Is this a ruler? Yes,it is 图片:尺子
2.What"s this in English? It is a clock.图片:时钟
3.Is she your sister? No,she isn"t my sister. 图片:小女孩
4.Is it an orange? No,it is not. 图片:西红柿
5.What color is this backpack? It"s black and blue 图片:书包
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
There lots of things in my own pencil-case.For example,there is a pen.There are two rulers that are used to draw pictures in math class.My two erasers are really cute.I love them very much.By the way,there are also three pencils in my pencil-case.
回答者: 逍遥星翼 - 五级 2009-10-14 20:22
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3d贴吧领袖吧(二):

等差数列中,a2=70,a3=30,求数列{|an|}的通项公式以及前N项和和Tn

(1)∵等差数列{a[n]},a[1]=2,a[1]+a[2]+a[3]=12
∴3*2+3d=12,解得d=2
∴a[n]=2+2(n-1)=2n
(2)∵b[n]=a[n]2^a[n]
∴b[n]=2n2^(2n)=2n4^n
∴T[n]/2=1*4^1+2*4^2+3*4^3+...+(n-1)4^(n-1)+n4^n
∵4T[n]/2=1*4^2+2*4^3+3*4^4...+(n-1)4^n+n4^(n+1)
∴3T[n]/2
=4T[n]/2-T[n]/2
=n4^(n+1)-(4^1+4^2+4^3+...+4^n)
=n4^(n+1)-4(4^n-1)/(4-1)
=n4^(n+1)-4(4^n-1)/3
∴T[n]=2n4^(n+1)/3-8(4^n-1)/9
=6n4^(n+1)/9-[2*4^(n+1)-8]/9
=[(6n-2)4^(n+1)+8]/9
----------------------------------------------------
编制一段循环小程序,验证如下:
a[1]=8,a[2]=72,a[3]=456,a[4]=2504,a[5]=12744
a[6]=61896,a[7]=291272,a[8]=1339848
a[9]=6058440,a[10]=27029960,.
----------------------------------------------------
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12回答时间:2010-4-22 23:52 | 我来评论
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2011-6-14 已知数列{an}是等差数列,且a1=2,a1+a2+a3=12 (1)求数列{an}的通项公式...2010-12-20 an是等差数列bn是等比,a1=-1,b1=1,a2+b2=-2,a3+b3=-3,1)求两数列...1 2011-5-26 已知等差数列{an}中,a2=9,a3=21,(1)求数列{an}的通项公式;(2)bn=2的an次...1 2011-4-17 已知数列an=3的n-1次方,bn为等差数列,且a1+b1,a2+b2,a3+b3成等比,...2010-9-3 已知{an}是公差不为零的等差数列,a1=1,a1.a3.a9成等比数列.求:{an}的...更多关于等差数列中,a2=70,a3=30,求数列{|an|}的通项公式以及前N项和和Tn的问题>>
查看同主题问题:等差数列 公式 次方
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其他回答 共3条
(1)
a1=2
Sn=na1+(n-1)/2d
a1+a2+a3=2*3+(3-1)/2*d=12
d=2
an=a1+(n-1)d
所以an=2+2(n-1)=2n
(2)
bn=2n×2^2n=2n×4^n
Tn/2 =1×4+2×4^2+3×4^3+...+(n-1)×4^(n-1)+n×4^n
那么 4Tn/2=1×4^2+2×4^3+...+(n-2)×4^(n-1)+(n-1)×4^n+n×4^(n+1)
下式-上式:
3Tn/2=-(1×4+1×4^2+1×4^3+...+1×4^n)+n×4^(n+1)
=-(4+4^2+4^3+...+4^n)+n×4^(n+1)
=-(4/3)(4^n-1)+4n×4^n
得Tn=[4^(n+2)+16]/9【3d贴吧领袖吧】

3d贴吧领袖吧(三):

初一英语练习册答案54-55 有80分啊
初一牛津英语练习册答案54-55 有多快就多快最好在2009年12月14日前回答

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百度知道 > 教育/科学 > 外语学习 > 英语考试添加到搜藏已解决
初一英语试卷
悬赏分:5 - 解决时间:2009-10-14 21:08
Hello,boys and girls.I"m an English girl.My first name is Linda,and my family name is Miller.You can call me Linda.I"m nine years old
My mother is a teacher in my school.She is ourmath teacher.My father is a driver.My phone number is 0550-493458.I have a friend.Its name is Tony.Is it a student?No,it is a dog.It is at home every day.
根据短文类容回答问题:
1.What"s the girl"s full name?
2.Is Linda eight years old?
3.Is Linda an English girl?
4.What"s Linda"s phone number?
5.What"s Tony?
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice ____(photo)
2._____(be)these your keys?
3.The boy ____(be not)my brother
4._____(that) are my brother and sister.
5.Here are three _____(picture)
根据首字母或汉语提示写单词补全句子
1.what"s this in E_____?
2.Tom,t____ is my friend,David.
3.How do you s____ it? B-O-O-K
三.选择填空补全对话,有两个多余选项
mother,she,are,he,these,her,this,grandparents,my,sister
A.Hi,this is a photo of my family.
B.Oh!Are _____ your parents?
A.NO.They"re my _____.These are my parents.This is _____ father.His name is Mark.And this is my _____.Her name is Lisa.
B.Is this your _____?
A.Yes,____ is.His name is Bill.And these _____ my cousins.
B.Is this your ______?
A.No,that"s my aunt.____ name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.____________ Yes,it is 图片:尺子
2.What"s this in English? ____________ 图片:时钟
3.___________ No,she isn"t my sister. 图片:小女孩
4.Is it an orange? _________ 图片:西红柿
5.___________ It"s black and blue 图片:书包
五.书面表达
假如你是李明,在英语口语课上,你的外教让你用英语介绍一下你的文具.请根据下面的文具写一篇小短文,不少于5句话
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
提问者: 蓝缘星魂 - 三级最佳答案Hello,boys and girls.I"m an English girl.My first name is Linda,and my family name is Miller.You can call me Linda.I"m nine years old
My mother is a teacher in my school.She is ourmath teacher.My father is a driver.My phone number is 0550-493458.I have a friend.Its name is Tony.Is it a student?No,it is a dog.It is at home every day.
根据短文类容回答问题:
1.What"s the girl"s full name? Her full name is Linda Miller.
2.Is Linda eight years old? No, she is nine years old.
3.Is Linda an English girl? Yes, she is.
4.What"s Linda"s phone number? Her phone number is 0550-493458
5.What"s Tony? He is Tony"s friend.
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice __photos__(photo)
2.__Are___(be)these your keys?
3.The boy __isn"t__(be not)my brother
4.__Those___(that) are my brother and sister.
5.Here are three __pictures___(picture)
根据首字母或汉语提示写单词补全句子
1.what"s this in E__nglish___?
2.Tom,t_his___ is my friend,David.
3.How do you s__pell__ it? B-O-O-K
三.选择填空补全对话,有两个多余选项
mother,she,are,he,these,her,this,grandparents,my,sister
A.Hi,this is a photo of my family.
B.Oh!Are __these___ your parents?
A.NO.They"re my __grandparents___.These are my parents.This is __my___ father.His name is Mark.And this is my __mother___.Her name is Lisa.
B.Is this your __brother___?
A.Yes,_he___ is.His name is Bill.And these ___are__ my cousins.
B.Is this your __sister____?
A.No,that"s my aunt.__Her__ name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.__Is this a ruler?__________ Yes,it is 图片:尺子
2.What"s this in English? ____It is a clock________ 图片:时钟
3.___Is that girl your sister?________ No,she isn"t my sister. 图片:小女孩
4.Is it an orange? ___No, it is a tomato.______ 图片:西红柿
5.____What"s the color of your bag?_______ It"s black and blue 图片:书包
五.书面表达
假如你是李明,在英语口语课上,你的外教让你用英语介绍一下你的文具.请根据下面的文具写一篇小短文,不少于5句话
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
I"m a student, I have a beautiful bag. Many books and a pencil box in it. There are a pen, two rulers, three pencils and two erasers. I can use them to write, and draw pictures.Futhermore, the pen is my birthday present when I was 10 years old.
144回答者: rao_woody - 五级 2009-10-13 15:13
我来评论>>
提问者对于答案的评价:(*^__^*) 嘻嘻…… 谢谢
相关内容
• 初一英语试卷翻译 2 2009-11-2
• 初一英语试卷 1 2009-10-31
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其他回答 共 2 条
根据短文类容回答问题:
1.What"s the girl"s full name?
Her name is Linda Miller
2.Is Linda eight years old?
No, she is not.
3.Is Linda an English girl?
Yes she is.
4.What"s Linda"s phone number?
Her phone number is 0550-493458.
5.What"s Tony?
Tony is a dog.
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice photos.
2.Are these your keys?
3.The boy is not my brother
4.Thoes are my brother and sister.
5.Here are three pictures.
根据首字母或汉语提示写单词补全句子
1.what"s this in English?
2.Tom,this is my friend,David.
3.How do you spell it? B-O-O-K
三.选择填空补全对话,有两个多余选项
A.Hi,this is a photo of my family.
B.Oh!Are these your parents?
A.NO.They"re my grandparents.These are my parents.This is my father.His name is Mark.And this is my mother.Her name is Lisa.
B.Is this your brother?
A.Yes,he is.His name is Bill.And these are my cousins.
B.Is this your sister?
A.No,that"s my aunt.Her name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.Is this a ruler? Yes,it is 图片:尺子
2.What"s this in English? It is a clock.图片:时钟
3.Is she your sister? No,she isn"t my sister. 图片:小女孩
4.Is it an orange? No,it is not. 图片:西红柿
5.What color is this backpack? It"s black and blue 图片:书包
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
There lots of things in my own pencil-case.For example,there is a pen.There are two rulers that are used to draw pictures in math class.My two erasers are really cute.I love them very much.By the way,there are also three pencils in my pencil-case.All of them are very important and useful.
回答者: huaxi_firefly - 五级 2009-10-12 22:46
根据短文类容回答问题:
1.What"s the girl"s full name?
Her name is Linda Miller
2.Is Linda eight years old?
No, she is not.
3.Is Linda an English girl?
Yes she is.
4.What"s Linda"s phone number?
Her phone number is 0550-493458.
5.What"s Tony?
Tony is a dog.
二.词汇运用
用所给单词的正确形式填空:
1.Thanks for these nice photos.
2.Are these your keys?
3.The boy is not my brother
4.Thoes are my brother and sister.
5.Here are three pictures.
根据首字母或汉语提示写单词补全句子
1.what"s this in English?
2.Tom,this is my friend,David.
3.How do you spell it? B-O-O-K
三.选择填空补全对话,有两个多余选项
A.Hi,this is a photo of my family.
B.Oh!Are these your parents?
A.NO.They"re my grandparents.These are my parents.This is my father.His name is Mark.And this is my mother.Her name is Lisa.
B.Is this your brother?
A.Yes,he is.His name is Bill.And these are my cousins.
B.Is this your sister?
A.No,that"s my aunt.Her name is Jenny.This is my sister Mary.
四.根据图片及上下文提示写句子,补全对话
1.Is this a ruler? Yes,it is 图片:尺子
2.What"s this in English? It is a clock.图片:时钟
3.Is she your sister? No,she isn"t my sister. 图片:小女孩
4.Is it an orange? No,it is not. 图片:西红柿
5.What color is this backpack? It"s black and blue 图片:书包
钢笔,2把尺子,3支铅笔,2个橡皮擦,铅笔盒
There lots of things in my own pencil-case.For example,there is a pen.There are two rulers that are used to draw pictures in math class.My two erasers are really cute.I love them very much.By the way,there are also three pencils in my pencil-case.
回答者: 逍遥星翼 - 五级 2009-10-14 20:22
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