一个因数是5，另一个因数与它相等，积是______；24里包含有______个8

高某，17岁，高二。经常旷课，纠集他人结伙滋事，身上还总是带着刀，多次拦截殴打他人，还经常盗窃，给异性同学写情书。班主任对他十分头疼，不知如何是好。高某的这些行为不属于严重不良行为的是（）。

A.旷课

B.纠集他人结伙滋事

C.身上还总是带着刀

D.多次拦截殴打他人

正常成人24小时生成脑脊液约（）ml。

A.200

B.300

C.400

D.500

E.600

假设数据库性能用“开销”，即时间、空间及可能的费用来衡量，则在数据库应用系统生存期中存在很多种开销。其中，对物理设计者来说，主要考虑的是______。

A．规划开销

B．设计开销

C．操作开销

D．运行维护开销

简述农业企业经营计划编制的程序。

The primary advantages of a Client/Server system arise from splitting the processing between the client system and the database server. Since the bulk of the database processing is done on the back-end, the speed of the DBMS isn’t tied to the speed of the (31) .

The major disadvantage of Client/Server system is the increased cost of (32) and support personnel who maintain the database server. There is also the issue of (33) with so many parts comprising the entire C/S system; Murphy’s Law can kick in-the more pieces that compose the system, the more pieces that can fail. It’s also harder to track down problems when the system (34) . And it can initially take longer to get all the components set up and working together. All this is compounded by the general lack of experience and expertise of potential support personnel and programmers, due to the relative newness of the technology. As C/S system become more common, this problem should abate.

Therefore the C/S system is more (35) .

（31）是（）

A. network

B. operating system

C. personal computer

D. workstation