细菌疫苗的类型主要有________和________。
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患病鱼虾病原体检查顺序是:先___________后___________;先___________后___________;先___________后___________。
Compared to a competitive market result, a single-price monopolist will most likely:
A. adopt a marginal cost pricing strategy, which will decrease consumer surplus.
B. increase price, decrease consumer surplus, and increase producer surplus.
C. reduce output, create a deadweight loss, and decrease both producer and consumer surplus.
疾病的结局有________、________和________三种方式。
Hanover Industrial operates a factory in Paris, which produces goods at a marginal cost above marginal revenue, and a factory in Munich, which products identical goods at a marginal cost less than marginal revenue. To maximize profits, Hanover should most likely:
A. decrease output at both factories.
B. decrease output at the Paris factory and increase output at the Munich factory.
C. increase output at the Paris factory and decrease output at the Munich factory.