【单选题】某月内,甲商品的替代品和互补品的价格均上升,分别引起甲商品的需求变动量为 30和80单位,则在它们共同作用下,该月甲商品的需求数量( )
【单选题】Consider the following appeal to authority argument: “My barber, Mr. Higgs, claims that there is no such thing as the Higgs Boson. But how could there be a Higgs Boson if Mr. Higgs himself denies its ...
D.
unjustified amplifier.
F.
unjustified supporter.