【名词&注释】
临时性(temporary)、市场价格(market price)、为什么(why)、公司内部(corporate internal)、价格比较(price comparison)、服务器。
[单选题]一场严重的旱灾事实上会减少美国农民作为整体所得到的政府补贴总额。如果有的话，政府支付给农民的补贴是每普尔粮食实际出售时的市场价值与预定目标价格之间的差额。例如1983年的旱灾，使农场计划的支付额减少了100亿美元。给定以上的信息，下面哪一项如果正确，最好地解释了为什么1983年的干旱导致了农场计划支付额的减少?( )
A. 在1983年以前，政府为帮助农民减少他们的债务负担而提高了粮食的目标价格。
B. 由于1983年的干旱，美国农民出口的粮食在1983年比以前的年份减少了。
C. 由于1983年的干旱，美国农民的收成减少了，从而1983年的粮食比以往粮食较多的年份获得了更高的市场价格。
D. 由于1983年的干旱，美国农民计划在1984年种植比1983年更少的粮食。
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[多选题]● Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development.1) The first task is to specify （71） , which defines the technologies to be used by one, more, or all information systems in terms of their data, processes, interfaces, and network components. This task is accomplished by analyzing the data models and process models that are initially created during requirements analysis.
A. 2) The next systems design task is to develop the （72） . The purpose of this task is to prepare technical design specifications for a database that will be adaptable to future requirements and expansion.
B. 3) Once the database prototype has been built, the systems designer can work closely with system users to develop input, output and dialogue specifications. The （73） must be specified to ensure that the outputs are not lost, misrouted, misused, or incomplete.
C. 4) The fourth design task involves packaging all the specifications from the previous design tasks into a set of specifications that will guide the （74） activities during the following phases of the systems development methodology.
D. Finally, we should （75） and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.
E. （71）
F. an application architecture
G. a distributed system
H. a system scope
I. a system physical model
J. （72）
K. database design specifications
L. database organization decisions
M. data structure specifications
N. data distribution decisions
O. （73）
P. format and layout
Q. transaction details
R. additional instructions
S. internal controls
T. （74）
U. system administrator’s
V. system analyst’s
W. computer programmer’s
X. system designer’s
Y. （75）
Z. adjust the project schedule
[多选题]● 某公司打算利用可移动的无线传感器组成一个Ad hoc式的无线传感器网络，用野外临时性监控，并把监测结果通过 Internet 传送到公司内部的服务器。适于该网的路由协议是（63） ，用于该网络与公司通信的最佳方式是（64） 。（63）
A. RIP
B. OSPF
C. AODV
D. BGP-4
E. （64）
F. ADSL
G. 3G
H. WiMAX
I. GPRS
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