compromised body in low numbers), organisms that are normally nonpathogenic can cause infection. The infectious dose will vary with the organism and the health of those infected. For example, Shigella flexneri requires the ingestion of only a few hundred organisms to cause intestinal disease. Salmonella typhi requires

What Do You Know about Your Protein? In order to make informed choices among the bewildering range of available transfer and detection methods, it is best to have as clear an idea as possible of your own particular requirements

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

西安建筑科技大学继续教育学院：《成人高等教育学士学位英语水平》考试大纲

第一讲 名词 第二讲 冠词和数词 第三讲 代词 第四讲 动词的时态

a. c .balance indicator,交流平衡指示器 a. c. bridge,交流电桥 a. c. current calibrator,交流电流校准器 a. c. current distortion,交流电流失真 a. c. induced polarization instrument,交流激电仪

abandon vt.离弃；放弃 abbreviation n.缩略语 abnormal a.反常的；变态的 abolish vt.废除 aboriginal n./a.土著(的)；土生动植物(的) abort v.取消；流产

3.1 Boolean Algebra 3.2 Graph Theory

2.2 Microprocessor And Microcomputer 2.3 Multiprocessing

1. architecture 体系结构 2. RISC Reduced Instruction set Computing 精简指令集计算技术 比较 CISC complex Instruction set Computing 复杂指令集计算技术