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while digital technology represents a __...

while digital technology represents a ______ for bridging geographic distance , highly skilled workers are increasingly crowding into cities.

A.canal B.channel C.course D.communication

 

B 【解析】 考查名词词义辨析。句意:虽然数字技术代表了跨越地理距离的渠道,但高技能工人正日益涌入城市。A. canal运河;B. channel渠道;C. course课程;D. communication交流。结合后文可知表示“数字技术代表了跨越地理距离的渠道”,故选B。  
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