选择题：Recently.many citizens try to use the facilities in your university due to a sho

题目分类：研究生入学
题目类型：选择题
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题目内容：

Recently.many citizens try to use the facilities in your university due to a shortage of public sports facilities in your city.Write a letter of aboui 100 words on this issue to the city department concerned to l）give your opinions briefly,and 2）make two or three suggestions.You should write neatly on the ANSWER SHEET.Do not use your own name at the end of the letter.Use"Ii Ming"instead Do not write the acldress.（10 points）

答案解析：

You have to quit your current job due to personal reasons.Write a resignation le

You have to quit your current job due to personal reasons.Write a resignation letter to（1）explain yo

分类：研究生入学题型：选择题

His efforts to bring about a reconciliation between the two parties came（）.off

His efforts to bring about a reconciliation between the two parties came（）.off

分类：研究生入学题型：选择题

设有界区域D是圆x2+y2=1和直线y=x及x轴在第一象限围成的部分，计算二重积分

设有界区域D是圆x2+y2=1和直线y=x及x轴在第一象限围成的部分，计算二重积分

分类：研究生入学题型：选择题

设平面区域D由曲线y=sinπx(0≤x≤1)与x轴围成，则D绕x轴旋转所成旋转体的体积为________．

设平面区域D由曲线y=sinπx(0≤x≤1)与x轴围成，则D绕x轴旋转所成旋转体的体积为________．

分类：研究生入学题型：选择题

箱中装有6个球，其中红、白、黑球的个数分别为1，2，3个，现从箱中随机地取出2个球，记X为取出的红球个数，Y为取出的白球个数。（Ⅰ）求随机变量（X，Y）的概率分

箱中装有6个球，其中红、白、黑球的个数分别为1，2，3个，现从箱中随机地取出2个球，记X为取出的红球个数，Y为取出的白球个数。（Ⅰ）求随机变量（X，Y）的概率分布；（Ⅱ）求Cov（X，Y）。

分类：研究生入学题型：选择题