下列哪个因素不会引起海陆的变迁（    ）

根据短文理解，选择最佳答案。

    Traveling to every part of the world gets easier, but how well do we know and understand each other. Here's a simple test. Imagine you are planning to hold a meeting at four o'clock. What time should you expect your foreign business friends to arrive? If they are Germans, they'll arrive on time. If they are Americans, they'll probably be 15 minutes early. If they are Englishmen, they'll be 15 minutes late, and you should allow up to an hour for the Italians.

    The British seemed to think since the English language was widely used in the world, people would always understand what they do. However, they found they were completely wrong. For example, the British are happy to have a business lunch and discuss business matters and have a drink during the meal. The Japanese prefer not to work while eating. Lunch is a time for them to relax and get to know each other and they don't drink at lunchtime. The Germans like to talk business before dinner. The French like to eat first and talk afterwards. They have to be well fed and watered before they discuss anything.

材料一：“我今天想对你们说说欧洲的悲剧。……解决问题的万全之策是什么？……我们必须建立一个欧罗巴合众国。……重建欧洲家庭的第一步就是与法国和德国之间建立伙伴关系。”

——选自丘吉尔在1946年9月的演讲《欧洲的悲剧》

材料二：1948年，丘吉尔提出作为战后英国外交总方针的“三环外交”：“第一个环当然是英联邦和英帝国及其所包括的一切。第二个环是包括我国、加拿大、及其他英联邦自治领域在内，及美国起着如此重要作用的英语世界。最后一个环是联合起来的欧洲。”显然，在丘吉尔心目中，联合起来的欧洲是最后一个环，其地位在英联邦和英语世界之后。

——摘编自陈乐民《战后英国外交史》

材料三：20世纪50年代，英国对欧洲一体化的态度从拒绝逐步走向接近，并于1961年和1967年两度申请加入，但均遭到法国总统戴高乐的否决。戴高乐首先考虑的是：“英国一旦成为欧洲的第七个成员国，要它永远扮演二流角色，是不可想象的。”而且戴高乐还认为，联系如此紧密的英美关系将会使英国成为美国投放在欧洲的“特洛伊木马”。另外，英法在共同农业政策上也存在分歧。1971年英国重新与欧共体谈判，并于1973年最终加入。然而，在欧洲一体化的进程中，英国一直是一个半心半意的伙伴，它的边境仍处于半开放状态，它反对防务一体化，也不愿加入欧元体系，所有这些都使英国与联合的欧洲若即若离。

——摘编自娄南《民族国家与欧洲一体化：1945-1973》

请回答：

下列各分式中最简分式是（　　）

定义域为$R$的偶函数$f\left(x\right)$满足对任意$x\in R$，有$f\left(x+2\right)=f\left(x\right)-f\left(1\right)$，且当$x\in 2,3$ 时，$f\left(x\right)=-2x^2+12x-18$，若函数$y=f\left(x\right)-{\log }_a\left(\left|x\right|+1\right)$在$\left(0,+\infty \right)$上至少有三个零点，则$a$的取值范围是（    ）