【判断题】转速调节时压力和流量的变化都较大,从而可显著扩大稳定工况区,且并不引起其他附加损失,亦不附加其他结构,因而它是一种经济简便的方法。( )
【单选题】Our history professor is (such) a knowledgeable person that (it seems) that there isn't (nothing) which he (does not) know.
【判断题】转速调节时压力和流量的变化都较大,从而可显著扩大稳定工况区,且并不引起其他附加损失,亦不附加其他结构,因而它是一种经济简便的方法。()
【单选题】Everything seems all right,______?
【单选题】—What does this sentence mean ? --- It seems to me that it ________.
【单选题】It seems that the managers didn' t take reasonable care in_______the unprofitable divisions.
【单选题】Nothing seems to please her, _________?
【单选题】Everything seems all right, ____________ ?
【单选题】Everything seems all right, ( )?