小姨邀请你去苏州度假.你在哪儿过得很愉快.现在你准备给小姨写一封信,

（1）时间与电话费，时间是自变量，电话费是因变量；（2分）

（2）打10分钟的电话费为：4.2+（10-7）×0.6=6.0元；（4分）

（3）y=0.6x（x为正整数）．（6分）

名称 西红柿 黄瓜
重量（千克） 5 3
单价（元） 3 2 （1）5×3+3×2
=15+6，
=21（元），
答：西红柿和黄瓜一共用了21元；

（2）
名称 西红柿 土豆
重量（千克） 5 2
单价（元） 3 1 5×3-2×1
=15-2，
=13（元），
答：土豆比西红柿少用了13元钱．

I was a young girl on the subject of attention,the expectations of parents,teachers encourage students to praise,once to meet and make up my empty heart.
I am a girl I really vain,I gave all the honor I am very satisfied.
Grow older,the primary school after my puberty changes may be a little too obvious,and the so-called dubious individuals "mixed up".Parents complained,friends,alas,the teacher discouraged,in my opinion,is so ridiculous.For primary school when I was popular,elementary school teachers and students are legends I worsened.Gone bad?What is this concept?Clubbing,fighting,drinking,smoking?I have it?No!But why they did vilify me?!Well,since you want me to "bad" as they please chant who fear who!!!
I met with former classmates to see the plague,like,stare at me with strange eyes..I am in junior high school,has become arrogant unruly,arrogant a few girls like me,and I even take a small gang.That way,leaving a lot before and I am familiar with and I grew apart.I do not care,they count Who!
She was different,she accompanied me to play,and sometimes also advised me to learn,but also accompanied me to learn - as before.She made me feel really good and sweet love.Later,she advised me not to dubious individuals and those re-mix,back to the original me.I do not!Why!So those people when they pass me the rumors,I'll put it by their deterioration,so that they meet!I do not care to discourage her,actually has time and again said,"You is not know me,I thought you were the best understanding of me!" I want to change,so my best friend said to me,I do not will look at again,this hurt my people.She was different,she always advised me to ......
Too lazy to care for her ...I do my own,not her tube!
Since then,I like a boy,was so fond of him,but also naive to think that he would never like me,but I was wrong ...he is like me,very!However,I found his hypocrisy,his hateful!I cried ...she appeared,she comforted me and told me not sad.She wanted me to learn to be strong,I do not want to cry.I discovered that she is condemned to a life of my good friends!I have for her ......
I said to her,"Thank you!" The most sincere cry ......