搜题请搜索小程序“爱下问搜题”
问题 单项选择题

打设楔眼时，应把楔眼布置在高于工作面（）位置的岩堆里。

A.600-800mm

B.200-300mm

C.800-1000mm

D.1000-1200mm

答案

参考答案：C

单项选择题

For each blank, choose the best answer from the four choices and write down on the answer sheet.

(21) is a six bytes OSI layer 2 address which is burned into every networking

device that provides its unique identity for point to point communication.

(22) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.

(23) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.

(24) is the popular LAN developed under the direction of the IEEE802.5.

(25) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

（24）是（）

A. Ethernet

B. Token Bus

C. Token Ring

D. DQDB
查看答案
判断题

根据我国《保险法》的规定，国务院保险监督管理机构应当对设立保险公司的申请进行审查，自受理之日起六个月内作出批准或者不批准筹建的决定，并书面通知申请人。决定不批准的，应当书面说明理由。
查看答案