1. 从 2 到 11 的十个整数中任意地选一个，设：A={所选的数为奇数}，B={所 选的数为质数}，C={所选的数为 3 的倍数}． （1）写出事件 AB，并求其概率； （2）写出事件 A-B，并求其概率．

Section A: Learning a Foreign Language(4 hours) Section B: Keys to Successful Online learning (2 hours) The texts are used as inputs (for output), stimuli (for response), prompts(for thinking) Teaching Objectives: This unit is intended to introduce you to studying by computer. After learning it, Ss should be able to

Teaching Objectives: This unit help us learn what you can do to protect yourself, your family, your friends and neighbors. Every person can make a difference. After learning it, students should be able to: 1)learn about AIDS and know how to protect ourselves

Class expectations This is a graduate level class. There is no final exam Grading in the class is based on homework (75%) and on a final written report(25%) The report will be revised during semester and should be 2000-3000 words(8-10 double spaced pages)

当积分区间[a,b]的长度较大,而节点个数n+1固定时 直接使用 Newton-Cotes-公式的余项将会较大 而如果增加节点个数,即n+1增加时 公式的舍入误差又很难得到控制 为了提高公式的精度,又使算法简单易行往往使用复合方法 即将积分区间[a,b]分成若干个子区间 然后在每个小区间上使用低阶 Newton-Cotes-公式 最后将每个小区间上的积分的近似值相加

This unit is intended to help us get a broader perspect Brain drain” After I hould be able to 1) Understand how the author looks at \Brain Drain 2) And how to cope with this challenging problem 3) Understand the writing method of making contrast in an argumentative essay king contrast

CONSTRUCTION OF VERTICAL SECTION 1 Select the location of the section and draw a section line (usually perpendicular to the strike of the main structures), right-hand end is its more easterly end 2 Draw a topographic profile along the line of section. Determine the base line on the squared

9-1: Aggregate Supply 9-2: Aggregate Demand 9-3: Equilibrium Output in the Short and the Medium Run 9-4: The Effects of a Monetary Expansion 9-5: A Decrease in the Budget Deficit 9-6: Changes in the Price of Oil 9-7: Conclusions

一、单项选择题(每小题1分,共75分) 每一考题下面有A、B、C、D、E五个备选答案。请从中选择一个最佳答案,并在答题卡上将相应题号的相应字母涂黑。 1.属于按收治范围划分的医院是 A.综合医院 B.全民所有制医院 C.军队医院 D.企业医院 E.三级医院

Intensive Study Reports on Britain Under the Bombs Para.1 Night after night, in the hot summer and early fall of 1940, a deep, steady voice came over the Atlantic Ocean from England to America, telling of England's battle for survival under the waves of German bombers. This strong and steady voice, an