设,则二次曲线的离心率的取值范围为（   ）

20081103

2008年12月6日，萨科齐总统不顾中国人民的强烈反对和中方的一再严正交涉，执意以法国总统和欧盟轮值主席的双重身份会见达赖，粗暴干涉了中国内政，严重损害了中方核心利益，严重伤害了中国人民的民族感情，破坏了中法和中欧关系政治基础，中国政府对此表示坚决反对和强烈抗议。这是因为
①维护国家利益是主权国家对外活动的出发点和落脚点 ②涉藏问题涉及中国的核心利益
③国家统一是中华民族的最高利益 ④法国与达赖有共同的国家利益

各地的____也就不一样，____的差异造成了空气的流动就形成风。

根据短文内容, 回答下列问题。
    Lin Hai is thirteen. He's a student in a school in Tianjin. He gets an e-mail from Tom White. Tom is a student in the USA. Here is the e-mail.
Dear Lin Hai,  
    My name is Tom White. I am from New York, USA. I am fourteen years old. I'm a schoolboy. I want to make some friends in China.
    There are eleven boys and nine girls in my class. We come from different countries—Japan, the USA, the UK and Canada. But at school we all speak English. My parents are from France (法国). They speak French and English, so I can speak English and French well. But I want to learn Chinese. Can you help me? There are many Chinese people in New York and I want to talk with them.
I can play chess well, and I can play many sports. How about you?
Please write to me soon.
Yours,  
Tom

文化创作必须坚持“走下去、走进去、走出去”的道路，与之相对应的有效做法是（    ）

①深入基层、立足社会实践

②加强交流、推动文化传播

③高举旗帜、引领先进方向

④深入人心、反映群众呼声