【简答题】稳压电源的性能指标包括______________和_____________。
【简答题】The word “devastating” (Line 3, Paragraph 2) is closest in meaning to _____ [A] destructive [B] regretful [C] frustrating [D] terrible
【多选题】电源是主机的动力系统,它的稳定直接关系到主机是否能稳定工作,评价一个电源的好坏,应看其性能指标,电源的性能指标主要包括( )。
【单选题】The word 'devastating' (in boldface in paragraph 2) probably means ______.
【单选题】word 'devastating' in the last paragraph could be best replaced by( )
【单选题】The word 'devastating' in Paragraph 2 could be explained as ______.
【单选题】The increasing global warming will have a devastating effect on some coastal areas, or ______ many scientists have warned.
【单选题】The word 'devastating' in the last paragraph could be best replaced by ______.