1.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
【答案】B
【解析】
【详解】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。
