腹股沟斜疝疝囊多见位于输精管的()
A.外下方
B.外上方
C.内上方
D.内下方
E.以上都不对
参考答案:C
As a result of the earthquake, two-thirds of the buildings in the area________.
A.need repairing
B.needs repairing
C.needs to be repaired
D.need to repair
投资前时期包括三个阶段()
A.机会研究
B.可行性研究
C.详细工程设计
D.项目评估和投资决策
E.人员培训