题型:名词解释 仿照下面的示例,自选话题,另写三句话,要求使用比喻的修辞手法,句式与示例相同。 平凡是泥土,孕育着收获,只要你肯耕耘; 平凡是苗圃,孕育着烂漫,只要你肯浇灌; 平凡是细流,孕育着浩瀚,只要你肯积聚。_________________________________________________________ 查看答案
题型:名词解释 A competitive firm will tend to expand its output as long as marginal:()A. revenue is greater than marginal cost.B. revenue is greater than the average cost.C. cost is less than average cost. 查看答案