泰定帝的措施有()
A、力图稳定财政
B、放纵杀英宗的凶手
C、离间汉人和蒙古人
D、重用汉儒
参考答案:A
The steeper a firm's marginal revenue product curve for a given resource, the:()
A. more elastic the firm's demand curve for the resource.
B. less elastic the firm's demand curve for the resource.
C. higher the mobility of the resource.
下列对add函数的调用不正确的是()。
A.add<>(1,2)
B.add(1,2)
C.add(1.0,2)
D.add(1.0,2.0)