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下列选项中不属于客户/服务器风格的应用程序中客户应用程序的主要任务的是_____。A.提供用户与数据库交互的界面 B.数据库的备份与恢复C.向数据库服务器提交用户请求 D.接收来自数据库服务器的信息

A. 提供用户与数据库交互的界面
B. 数据库的备份与恢复
C. 向数据库服务器提交用户请求
D. 接收来自数据库服务器的信息

在三层C/S结构的合同管理系统中，下列选项中属于功能层的任务是________。

A. 合同数据的输入
B. 合同输入数据的格式校验
C. 计算合同金额
D. 合同条款写入数据库中

在三层C/S体系结构中，中间件是最重要的构件。下列技术中不适合客户机与应用服务器之间实现通信的是_____________。

A. JDBC
B. EJB
COM+
D. CORBA

Maggie was 36 years old. She realized she had high blood pressure at the age of 37 1 the 34thweek of pregnancy. She 2 hot and 3 weight. Her daughter was born early 4 to her having preeclampsia. Her blood pressure doesn’t return to normal 5 is expected, 6 she now has to take medication to control it. She doesn’t smoke, keep to a fairly healthy diet and only have 7 glass of wine and 8 a farmer’s wife she get plenty of exercise. 9, high blood pressure, heart disease and strokes are quite common in her family. But she knows to have a 10 attitude and tries the different lifestyle.