社会褒扬是指政府和社会各界为优抚对象提供的各种优惠照顾措施、授予优抚对象的各种荣誉称号,以及节日的慰问和表彰,以表达人们对优抚对象的敬意,提高优抚对象的荣誉感和自豪感。
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钢筋大冷拉设备中,除卷扬机和滑轮组以外,还必须有()设备。
A. 电焊机
B. 冷拔机
C. 电动机
D. 测力计
如果焊件在焊接时需要预热,则定位焊时也应预热,预热的温度应与正式焊接时()。
在地球上观测,月亮升起至少需要多长时间?在月亮上看地球“升起”需要多长时间?
After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?()
A. It is a globally unique IP address.
B. It is a globally unique 48 bit address
C. It is provided by the manufacturer of the NI
D. It is used as part of the IPX/SPX configuration.
E. It is a logical address.