自20世纪60年代以后,统计学的发展有三个明显的趋势:第一,随着数学的发展,统 计学依赖和吸收的数学方法越来越多;第二,向其他学科领域渗透,或者说以统计学为基 础的边缘学科不断形成。2003年度诺贝尔经济学奖授予两位著名计量经济学家罗伯特恩 格尔( RobertA. Engle和克莱夫格兰杰( Clive Granger)

血液循环是机体重要的生理机 能之一,通过血液循环输送氧气和营 养物质,带走CO2和代谢废物,保证 新陈代谢正常进行。血液循环一旦发 生障碍,则将引起各器官代谢紊乱, 功能失调和形态改变

在每一次绘图中,都必须做如下工作:确定绘图单位 和作图精度;确定图幅、绘制边框和标题栏;设置文本式 样;设置尺寸式样;建立图层等。由于上述内容的相对固 定性,因而完全没有必要在每一次绘图中进行重复设置。 为了解决这个问题, Auto CAD提供了一个一劳永逸的方 法,就是建立样板图,样板图是一种图形文件,因而又叫 样板图文件,其后缀名为:“dwt

1 Make the best choice: 1.She was able to cope ---- the difficulties she met with. a. in b. with. of.to

Part I Vocabulary and Structure (points) Directions: This part is to test your ability to use words and phrases correctly to construct meaningful and grammatically correct sentences. It consists of 2 sections Section A(20X 1)

Part I Multiple choice(20%) 1. The student was just about to the question when suddenly he found the answer A. give up C. arrived at D. submit to

Part I vocabulary and structure: 30% A: make the best choice 1. she was able to cope the difficulties she met with A in B with C. of d. to 2. Would you mind the radio? A not turn on B. not to turn on C. not turning on D. not turned on The lion is a of courage bol B sign C. mark D anima

Part I Vocabulary Structure(20%) Section a You must get everything before you begin the experiment C preparing D. is prepared

Part I Vocabulary& Structure(20%) Section A 1. IfI _you, I would not do it. A.was B.am C.were D. be

Part I Multiple Choice (15%) 1. He a good student A)am C)are B)is D)W