【简答题】2010年9月26日8时30分,应业扩报装客户要求,×供电公司客服中心副主任马××安排吕××联系相关人员,组织对用户新安装的800kVA箱式变压器(简称箱变)进行验收。10时55分,吕××带领验收人员×县供电公司计量中心吴×、李×、生技部熊××和施工单位李×等4人到达现场。到达现场后,吕××与客户负责人联系,到现场协助验收事宜。稍后,现场人员听到“哎呀”一声,便看到计量中心李×跪倒在高压计量柜前的...
【简答题】用方框中所给单词的适当形式填空,每词限用一次(每空一词)。 sheep, slow, listen, famous, first 1. The story Snow White is exciting and children enjoy _____ to it again and again. 2. The teacher speaks _____ to the older students s...
【单选题】What is true about this statement used during import?() imp hr/hr tables= (employee, departments) file=hr.dmp ignore=y
A.
It ignores duplicates.
B.
It prevents character set translation on import.
C.
It allows rows to be inserted into a table that already exists.
D.
It ignores storage parameters in the DML executed during import.
【判断题】因起动机的定子是用永久磁铁制成的所以称之为永磁式起动机。
【简答题】落叶树木的物候期可分为 、 、 、 四个时期。
【单选题】膛线的缠距是指膛线的旋转一周沿枪管()前进的距离。
【单选题】You toss a 0.150-kg baseball straight upward so that it leaves your hand moving at 20.0 m/s. The ball reaches a maximum height y2. What is the speed of the ball when it is at a height of y2/2? Ignore ...
B.
less than 10.0 m/s but more than zero
D.
not enough information given to decide