【多选题】对于大型的、比较复杂的、设计要求高的工程,通常建筑设计按以下几个阶段进行( )
【简答题】Productive vocabulary is those words that one is not only able to ( ) but also able to ( ) in speech and writing.
【判断题】O autor utilizou muitas palavras novas neste texto para os alunos ampliarem o vocabulário.
【单选题】(J ) 一台发电机,发出有功功率为 MW、无功功率为 Mv r,它发出的视在功率为( )MV 。
【单选题】一台电动机发出有功功率为8MW,无功功率为6Mvar,他发出的视在功率为()。
【单选题】To improve your reading ability, you should ____ half an hour every day for learning new vocabul
A.
33. To improve your reading ability, you should ____ half an hour every day for learning new vocabulary. A.leave out
【多选题】对于大型的、比较复杂的、设计要求高的工程,通常建筑设计按以下几个阶段进行( )。
【简答题】一台与电网并联运行的同步发电机,仅输出有功功率,无功功率为零,这时发电机电枢反应的性质是什么?
【简答题】阅读理解。 We recycle (回收利用) rubbish, so why not language? Recycling language means using vocabulary that you have learnt before again and again. However, unlike rubbish that piles up (堆积) in ou...
【单选题】当发电机组与电网间进行有功功率交换时,如果发电机的电压落后电网电压,则发电机()