【判断题】人感染高致病性禽流感主要通过呼吸道传播,亦可经消化道和皮肤伤口而感染。
【单选题】The market for manufactured goods is what economists call 'imperfect,' because each company has its own style, its own reputation, and its own locations and all of the arts of advertisement and salesm...
A.
the distinctive style. of each company
B.
the attempts of advertisement to attract buyers to particular brand names
C.
tendency for the prices of the same goods to equalize quickly
D.
the freedom of small businesses to decide the prices they will charge
【判断题】理性预期学派的就业理论认为,通过政府的欺骗性行为,可以换得低失业率。
【判断题】宪法是我国的根本大法,一切法律、行政法规和地方性法规都不得同宪法相抵触。()