作业环境管理的核心是如何保持作业环境的()与无毒无害。
A、整洁有序
B、宽敞方便
C、设备定置
D、工具定置
参考答案:A
23. Each member country of WTO must ______ its laws and regulations and compete on the principle of fairness and co-operation.
A.cater to
B.correspond to
C.relate to
D.submit to
前列腺增生病人最早出现的症状是()
A.排尿困难
B.尿潴留
C.尿频
D.无痛性血尿
E.腹股沟疝