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问题 解答题

一辆汽车在调整公路上原先每小时可以行驶100千米，需耗油6升．经过技术改进，现在的速度比原来提高了12%，而每小时的油耗却下降了10%．现在这辆汽车在高速公路上行驶，每小时需耗油多少升？

答案

6×（1-10%）

=6×0.9，

=5.4（升）

答：现在每小时需耗油5.4升．

单项选择题

某一儿童的WISC-CR的IQ得分为120～129，其智力水平（）。

A.极超常

B.超常

C.高于平常

D.平常
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单项选择题 案例分析题

(1)analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (2)for designing and constructing an improved system. (3)  is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (4).(5) is another such technique that integrates data and process concerns into constructs called objects.

空白（3）处应选择（）

A.Structuredanalysis

B.InformationEngineering

C.DiscoveryPrototyping

D.Object-Orientedanalysis
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