()的编制应在加强货流组织的基础上,最大限度地组织成组、直达运输。
A、运输方案
B、技术计划
C、列车编组计划
D、列车运行图
参考答案:C
If we go on using energy so wastefully, ______ are that our oil wells will be dried up ______ new
energy sources can be found to replace oil.[ ]
A. chances; before
B. difficulties; after
C. questions; since
D. problems; as
报业的多种经营