A：文化对经济具有反作用
B：经济全球化是维护文化多样性的保证
C：文化有其自身的传承性和相对独立性
D：尊重民族文化的差异是人类存在和发展的物质基础
人口分布和人口寿命与自然条件社会经济条件等有着密切关系，回答下面小题。
That's the very way he suggests ____ the math problem.
在初中即将毕业之际, 请你以张明的名义给英国笔友Brian写一封感谢信, 要点提示如下：
three years ago
a new comer, have no friends and feel lonely…..
During three years
Brain have written many letters to help you in different ways:
Encourage you to make more friends.
Tell you the ways how to learn English well
…….
You have changed a lot, for example, ……..
invite him to come to Hangzhou to pay a visit…….
要求：
①词数：80--100个
②信的开头和结尾已给出, 不计入总词数
③要点齐全, 行文连贯, 可适当发挥
Dear Brian,
How time flies! We have been friends for three years. I'm writing to thank you for your help!
Three years ago, ……
Hope to see you soon!
Yours,
Zhang Ming
