对于音频信号来说，由于人耳一般所能听到的最高频率是22.05 kHz，所以使失真最小的采样频率确定为________ kHz即可。

未分类题It seems to the author that the implementation of the new regulation would be______.A．successful and rapidB．necessary and smoothC．effective but gradualD．important but difficult

未分类题Which of the following would be the best title of the passage?A．Reform. in Airline IndustryB．The Hidden Costs of FlyingC．Dispute Between Airlines and RegulatorsD．Pricing Mechanism of American Airlines

未分类题It is indicated in Paragraphs 1 and 2 that______.A．the way for customers to pay is still limited so farB．several big retailers are planning to incorporateC．the name of the new network may be changedD．compatibility of the payment system is satisfactory

未分类题The core of disagreement between regulators and airlines is______.A．how much airlines should charge for extra feesB．how many charging items should airlines setC．how often should airlines improve the fee disclosureD．how open airlines should be about the pricing system

判断题手持应变仪常用于现场测量，适用于冲击试验。( )

未分类题According to the last paragraph, the author calls on the voters to______.A．punish ruling parties severelyB．overthrow the current governmentC．create disturbance in power industryD．strongly urge the politicians

判断题最大被测值宜在仪器满量程的1 2范围内。( )

未分类题By referring the report by IdeaWorks, the author intends to______.A．verify the rationality of setting new rulesB．illustrate the profit composition of airlinesC．explain the change in the past decadeD．reveal the fraud committed by airlines

未分类题Mr. Golvins attitude towards the newly announced payment network can be described as______.A．barely interestedB．openly criticalC．basically approvedD．strongly admiring

判断题回弹法测量时，相邻两测点的净距一般小于20㎜。( )

未分类题What can be learned about Mr. Golvin according to Paragraph 5?A．He doubted about the positive effect of market competition.B．He pointed out flaws of the newly developed mobile payment system.C．He explained characteristics of a successful mobile wallet product.D．He paid more attention to the technology than to market reaction.

判断题混凝土表面湿度愈大，回弹值愈小。( )

判断题采用工作应变计温度互补时，试件材料应为非匀质材料。( )

未分类题In Paragraph 4, the author implies that the alliance of Starbucks and Square______.A．may create a whole-new mobile payment systemB．may have stimulated the alignment of the big retailersC．may accelerate the development of mobile wallet systemD．may be a threat to profits of current mobile service providers

判断题结构动力特性参数与外荷载无关。( )