【判断题】(............)单极二线漏电断路器上有“N”标志,表示此接线端接零线即黑线。
【单选题】Which of the following statement about "The Lamb" is INCORRECT?
A.
It is taken from Songs of Experience .
B.
It is taken from Songs of Innocence .
C.
The character of the lamb is gentle and docile.
D.
The tone is blissful and confident.
【单选题】In paragraph 5, what does the author imply in the statement "psychology need not always be destiny?"
A.
Drivers want to reach their destinations quickly.
B.
It is possible to change the way people drive without changing how they think.
C.
Rules were changed to accommodate the knowledge that it is human nature to be distracted by car accidents.
D.
In the end, there will always be traffic jams, accidents, and other troubling events.
【判断题】经济活动中通常使用劳动计量单位、实物计量单位和货币计量单位,其中实物计量便于统一衡量和综合比较,能够全面反映企业的生产经营情况。
【简答题】已知: y= 3x-2 - 2-3x +3 ,则(-x) y =______.
【简答题】I/O软件通常被组织( 1 )、( 2 )、( 3 )和( 4 )四个层次。
【单选题】( )说:“凡治事,公则权势,私则情谊。”
【单选题】黄山烧饼又称“救驾饼”,是因为与下列哪位历史人物有关?
【单选题】在动力照明混合用的供电线适中,应选用()漏电保护器