【单选题】The fact that a rock star earns $5 million a year while a teacher earns $25,000 annually is most directly an example of an economy answering the ________ part of one of the two big economic questions....
【单选题】The fact that a rock star earns $5 million a year while a teacher earns $25,000 annually is most directly an example of an economy answering the ( ) part of one of the two big economic questions.
【简答题】(一) . 语法填空 1 . Mary is interested in biology and wants to be a ______ (biology) when she grows up. 2 . As a result of this , a great dust cloud formed in the sky __________ _______ ( 阻挡 ) the sun...
【简答题】The fact that their marriages may be on the rock, or that their love affairs have broken or even that they got out of bed on the wrong side is simply not a concern.