由卖方办理投保手续的贸易术语是（ ）。
A. FOB
B. FCA
C. EXW
D. CIF
In supporting his contentions about the ancient world, the author relies mainly on illustrations drawn from ______.
A. examples of the separation of mechanics and geometry
B. case studies of lack of social communication between classes
C. technology
D. his concern with the plight of the laboring classes.
If a person's eye has been looking at an object in bright sunlight for some time, and then shifts to an object not well lit, we can expect ______.
A. a time lag in the focusing ability of the eye
B. some inability to see colors of the latter-named objects until loss of sensitivity has been regained.
C. the immediate less of the "afterimage" of the first object
D. the adaptation in the central area of the eye but little adaptation in the lateral areas to thenew intensity level.
EDI传送的报文是有（ ）格式的数据在计算机之间的电子传输。
A. 多媒体
B. 非标准
C. 标准
D. 文本
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