对工程督场地任命是由产品副经理签发(),对合作工程,由工程管理经理向合作单位签发()。
参考答案:《工程督导任务书》;《工程委托书》
读图回答:
A_______带,B_______区,C_______带,D_______带。
(2)美国是世界最大的_______生产国,也是最大的_______出口国,农业生产实现了_______的专业化。农业生产的各个过程和环节都实现了_______,效率高,产量大。
The weather turned out to be fine yesterday. I ____ the trouble to take my umbrella with me. [ ]
A. could have taken
B. should have taken
C. couldn't have taken
D. needn't have taken