题目内容

Cet-6-1.1-Exercise 02For those who believe that technological progress has made the world a better place, such disruption is a natural part of rising ______. Although innovation kills some jobs, it creates new and better ones, as a more productive society becomes richer and its wealthier inhabitants demand more goods and services.

A. indication
B. deals
C. prosperity

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货流转变为车流的第一步是计算

A. 日均装车数
B. 日均卸车数
C. 日均重车数
D. 日均空车数

由于各站各车种的装车数和卸车数不平衡产生的是

A. 列车流
B. 车流
C. 重车流
D. 空车流

把车流转变为列车流的依据是

A. 重空车流图
B. 计划货流图
C. 日均计划重车表
D. 车种别重车流及空车调配表

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