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。( )