| Last weekend Kyle MacDonald in Montreal threw a
party to celebrate the fact that he got his new home in exchange for a red paper
clip. Starting a year ago, MacDonald bartered the clip for increasingly valuable
stuff, including a camp stove and free rent in a Phoenix flat. Having announced
his aim (the house) in advance, MacDonald likely got a boost from techies eager
to see the Internet pass this daring test of its networking power. "My whole
motto was ’Start small, think big, and have fun’ ," says MacDonald, 26, "I
really kept my effort on the creative side rather than the business side. "
Yet as odd as the MacDonald exchange was, barter is no A. It is criticized for doing business in a primitive way. B. It aims to deal with hyperinflation in some countries. C. It helps get rid of middlemen in trade and exchange. D. It is intended to evaluate the performance of trading partners. [单选题]进入输气干线的天然气硫化氢含量应不大于( )mg/m3
A.5 B.10 C.20 D.30 [判断题]长度传感器是指将对象物对带状激光进行遮光时的光量变化转换成电气信号,并进行尺寸测量的设备。(易)( )
A.正确 B.错误 [填空题]转炉冶炼有利于脱 ，而不利于脱 ；
[多项选择]下列属于迈克尔·波特的五种竞争力量的是( )。
A. 行业新加入者 B. 现有竞争者 C. 替代品 D. 附加产品 E. 供应商 [多选题]电缆截面的选择，应在不同敷设条件下电缆额定载流量的基础上，考虑（）等因素后选择。
A.A、环境温度、 B.B、并行敷设、 C.C、热阻系数、 D.D、埋设深度 [判断题]进入带电区域内敷设电缆时，应取得运维单位同意，设专人监护，采取安全措施，保持安全距离，防止误碰带电设备，不得踩踏电缆。（）
A.正确 B.错误 [多项选择]同频组网时，为了降低随机接入过程中来自邻小区的干扰可调整的参数包括（）。
A. 前导码最大传输次数 B. Msg3最大传输次数 C. 前导码根序列逻辑索引 D. 零相关区间配置 [多选题]“定期添利宝”产品的付息方式有（）
A.A、按季付息 B.B、按月付息 C.C、到期付息 D.D、按年付息 [单项选择]（）KW以下的电感性负荷允许用插销代替开关.
A. 0.5 B. 1 C. 2 [判断题]无线控制器负责管理区间AP。
A.正确 B.错误 [简答题]输送带断带的主要原因有哪些？
我来回答: 提交
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