煤层顶板按其部位与垮落情况可分成哪几种()。
A.伪顶
B.煤顶
C.基本顶
D.直接顶
参考答案:A, C, D
Suppose that the one-year forward rate starting one year from now is 6%. Which of the following statements is TRUE under the pure expectations hypothesis The expected:()
A. future risk premium for short-term bills is 6%.
B. future one-year spot rate in one year’s time is equal to 6%.
C. future risk premium for long-term bonds is 6%.
人寿保险以外的其他保险的被保险人或者受益人,向保险人请求赔偿或者给付保险金的诉讼时效期间为2年,自()计算。
A.保险事故发生之日起
B.保险责任开始之日起
C.被保险人或者受益人知道或者应当知道保险事故发生之日起
D.保险合同生效之日起