第4题: [单项选择]中间件处在操作系统的上层,( )的下层。 A. 网络 B. 数据库 C. 应用软件 D. 硬件 参考答案:C 答案解析:[解析] 本题主要考查的知识点为中间件的位置。 [要点透析] 中间件处在操作系统、网络和数据库的上层,应用软件的下层,总的作用是为处于自己上层的应用软件提供运行与开发的环境,帮助用户灵活、高效
第13题: [填空题]According to Dr. Collins, how to prevent those patents A. A.To stop clinical lab from doing diagnostic testing B.To order government labs to make every new gene discovery public knowledge C.To pass laws prohibiting private ownership of genome patents.
第19题: [单项选择]The seventeenth century was one (in that) (many significant advances) (were made in) (both) science and philosophy. A. in that B. many significant advances C. were made in D. both 参考答案:A 答案解析:[分析] 介词后的定语从句应用which引导。改“in that”为“in which”。