改善装卸作业的主要途径是实现装卸作业的()
A.单元化
B.人格化
C.机械化
D.集装化
E.散装化
参考答案:C
垂体前叶肿瘤常出现的体征是()尺神经损伤常出现的体征是()
A.匙状甲
B.指间关节梭形
C.肢端肥大症
D.爪形手
E.杵状指
It is reported that the police will soon _____ the case of the two missing children. [ ]
A. look upon
B. look after
C. look into
D. look out