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问题 单项选择题

（）是指值得个人投入一生心力，以获得最大人生价值的生涯目标

A.工作（work/job）

B.职业（vocation）

C.事业（Enterprise）

D.生涯（career）

答案

参考答案：C

选择题

一列横波沿ｘ轴传播，t1、t2时刻波的图像分别为图中的实线和虚线，已知，波速ｖ＝12ｍ／s，下列说法中正确的是

A．该波沿ｘ轴正向传播

B．图中P质点在t1时刻运动方向水平向左

C．图中P质点在1s内向左平移12ｍ

D．图中P质点在1s内通过的路程为0．8ｍ
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单项选择题

Due to a constAntly ______ environment， a poor understanding of the user’s needs and preferences，as well as a ______ of willingness to modify ______ organizational structures and decision models，the full economic potential of Web Information Systems(WIS) has not been realized by now. The data object types of the ______ meta model，the Extended World Wide Web Design Technique(eW3DT)，provide hypertext designers ______ a conceptual，user-centric framework and graphical notation for the construction of both，______ and customized models， during the software development ______ of commercial WIS. A reference model as a normative concept represents an abstraction of a ______ company，its functional units， or its(Web) Information System and is intended to streamline the design and implementation of complex applications at ______costs. As precondition for pursuing a partial globalization strategy，eW3DT ______ between technical and content-specific responsibilities for designing， implementing， and maintaining WIS.

A．give

B．above

C．presented

D．got
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