职工被诊断患有职业病，但单位没有依法参加工伤社会保险的，其医疗和生活保障由，最后的单位有证据证明该职业病是先前单位的职业病危害造成的，仍由最后的单位承担（）
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Companycom purchased a new p5 570 without a HMC. The customer does not know how to power the full frame/system off since there does not appear to be an on/off button. What can be done to accomplish this task?（）
A. Telnet into the machine and do a shutdown -Fr
B. Log into ASMI as Administrator and use ASMI menus
C. Log into the service processor using WebSM and use ASMI menus
D. Use the off button which is located to the left below the LED
目前，我国的防坠器有（）种。
A. 1
B. 2
C. 3
AFT电压是控制彩电高频调谐器的（）电路。
A. 高频放大
B. 输入
C. 本机振荡
D. 混频
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