进入破碎机内检修时，需将配电柜上锁并挂牌，钥匙由（）随身携带。
A、破碎机司机
B、检修人员
C、电工
参考答案：B
—Thanks for listening to my problems and me your useful advice. — .
A．give, With pleasure
B．giving, My pleasure
C．to give, You’re welcome
D．giving, No, thanks
与血液运行密切相关的脏腑是
A．心 B．肺 C．脾 D．肾
