1987年，中国登山协会派人员到（）学习攀岩运动的相关攀爬技术和运动规则。
A. 法国
B. 日本
C. 美国
Inverse ARP is being used in the TestKing frame relay network. What is the purpose of Inverse ARP?（）
A. To ma a known IP address to a MAC address
B. To map a known DLCI to a MAC address
C. To ma a known MAC address to an IP address
D. To ma a known DLCI address to a IP address
E. To ma a known IP address to a SPID address
F. To ma a known SPID address to a MAC addre
（）和内部审计部门应按季向董事会和高级管理层主要负责人报告审计工作情况。
A. 董事会
B. 首席审计官
C. 审计人员
D. 工作人员
锚杆（索）支护巷道，跟顶板施工的，中等冲击危险，超前支护距离不得小于（）m。
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