搜题请搜索小程序“爱下问搜题”
问题 单项选择题

某理财规划师告诉投资者坚持指数基金投资是良好的选择，在他陈述的理由中（）是不成立的。

A.战胜市场获取超额受益很难

B.长期来看指数的整体趋势是上涨的

C.挑选指数型基金相对简单

D.指数型基金适合风险承受能力较弱的投资者

答案

参考答案：D

单项选择题

A typical application of this (71) is ADSL. It is emerging as the technology for home-and small-office Internet connectivity. It provides either 1.5 Mb/s～8 Mb/s from the network to the user and 64 Kb/s～512 Kb/s in the reverse direction depending on the distance, 12 000 or 18 000 feet.. The different speed for each direction gives it the (72) label. ADSL is designed to take advantage of the fact that video-on demand, telecommuting, and Internet access traffic are inherently asymmetrical. The user (73) a brief message up to the network and receives a ton of data coming back, either a movie or a piece of data download. Under such a scenario, low-speed traffic to the network is just fine. ADSL delivers high (74) where you need it and only uses a single copper pair. Through multiplexing, it also reserves (75) of the bandwidth for POTS.

A．asymmetric

B．compressed

C．irregularity

D．symmetric
查看答案
判断题

反应两个交流电气量之间大小关系的继电器称为幅值比较继电器，简称比幅器
查看答案