判断机体热平衡是否受到破坏的最直接的指标是
A.脉搏
B.体温
C.汗液分泌
D.皮肤温度
E.不适指数
参考答案:B
应保持起重机上所有安全装置灵敏有效,如发现失灵的安全装置,应及时修复或更换。()
( )our general agent,you would also have to look after the advertising.
A.Being B.For C.As D.To be