模拟试卷

在考研的道路上，模拟试卷扮演着重要的角色。它们不仅可以帮助考生了解考试的难度和题型，还可以让考生在模拟考试中锻炼自己的答题技巧和时间管理能力。

在这份模拟试卷中，我们将提供与考研数学、英语、政治和专业课相关的题目。请注意，这些题目只是模拟题，不代表真实的考研题目。

数学部分

一、选择题

1. 函数 y = 1/(x-2) 的连续区间是 ( )A. (-∞, 2) B. (-∞, 2) ∪ (2, ∞) C. (-∞, 2) 和 (2, ∞) D. (2, ∞)

2. 设随机变量 X 的分布列为 P(X = i) = 1/3, i = 1, 2, 3，则 P(X ≤ 1) = ( )A. 1/3 B. 1/9 C. 1/2 D. 2/3

二、填空题

1. 函数 y = si(x)/x 在 (-∞, 0) ∪ (0, ∞) 上是 _______ 函数。

2. 若随机变量 X 的期望 E(X) = 2，方差 D(X) = 1，则 E[(3X - 2)^2] = _______。

三、解答题

1. 求函数 y = x^3 - 3x^2 的单调区间和极值点。

2. 设随机变量 X 的分布列为 P(X = i) = (i^2)/3, i = 1, 2, 3，求 E(X) 和 D(X)。

英语部分

一、阅读理解

阅读以下短文，回答问题：

1. The shor sory is a cocise ad iese form of lieraure ha ypically ells a complee sory i a few pages. I is a es of a wrier's abiliy o covey a powerful message i a limied space. Themes i shor sories ofe revolve aroud uiversal huma experieces such as love, loss, ad he challeges of daily life. Readers ca gai valuable isighs io huma aure ad he world aroud hem hrough he exploraio of hese hemes i shor sories. (Paragraph 1)

2. Shor sories have bee aroud for ceuries ad have bee popular i may differe culures. They were origially passed dow verbally from geeraio o geeraio before beig commied o wriig. Some of he earlies kow shor sories come from he oral radiio of acie Greece ad Rome, where soryellers would spi yars for heir liseers. (Paragraph 2)

3. Shor sories are ofe caegorized by heir syle, heme, ad seig. They ca rage from he realisic o he faasical, explorig a wide variey of huma experieces ad emoios. Shor sories ca also be experimeal i form, employig uique arraive echiques ad srucures o creae ew ad exciig ways of soryellig. (Paragraph 3)

4. The shor sory's cocise aure makes i a excelle choice for busy readers who do' have he ime or icliaio o read loger works. Is iese forma allows wriers o craf highly charged emoioal momes ha留给读者深刻的印象。由于其篇幅较短，读者可以轻松地通过一次阅读或少量阅读理解故事的情节和主题。 (Paragraph 4)