【单选题】M : Wasn't Sam's speech great !( ↘ ) W : Are you serious ? Q : What does the man say about Sam's speech ?
A.
Sam's speech wasn't great , was it ?
B.
Sam's speech was great , wasn't it ?
C.
Sam gave a serious speech .
【单选题】在C54X系列的DSP汇编语言程序中,定义一个小数如0.907,应当写成:( )
【单选题】以一定整数单位的外国货币作为标准,折算为若干数量的本国货币的汇率标价方法是()