()是在全球商务活动趋向电子化的形势下应运而生的专业技术人员，是互联网商务活动的架构设计开发者和主要参与人员。
A游戏工程设计师
B电子商务工程师
C精算师
D公关经理
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While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman ______.
A. obeys the Pilot
B. obeys the Master
C. asks you for instructions
D. brings the rudder to a point midway between the two conflicting positions
To “EASE” A LINE means to ___ .
A. cast off
B. double up so that one line does not take all the strain
C. pay out line to remove most of the tension
D. slack it off quickly
搜索引擎中，在互联网漫游，发现和搜集信息的程序，一般被称为索引器。()
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