【单选题】在短期内,假如一家企业正在实现利润最大化,它的可变要素为要素1,不变要素为要素2。如果要素2的价格下降,那么,厂商的利润水平会如何变动?( )
【单选题】Although I followed carefully all he said I could not see what he was ______ .
【单选题】Translate the sentence "I could see he was not following what I was reading."
【单选题】从语义上看,“来了一个人”中的宾语是动词的( )
【单选题】I couldn't understand why he pretended______in the garden.