【判断题】根据鲍温模型,私人产品的市场需求曲线是个人需求曲线的纵向加总,公共产品的市场需求曲线可以视为是个人需求曲线的横向加总。
【单选题】根据微观经济学的观点,可以确定市场的价格是()。
【单选题】Some people argue that the death __________ does not necessarily reduce the number of murders.
【单选题】以下叙述中正确的是___________。
A.
用#include包含的头文件的扩展名不可以是.a
B.
在对某个含有错误的头文件进行修改后,包含此头文件的源程序不必重新编译
【单选题】I'm afraid we have to change the appointment . I have something important to do.
C.
I have a busy schedule
【单选题】Some people argue that both the government and the milk producers are ________ for the death of the babies.