【判断题】碳素结构钢屈服强度为235MPa的牌号等级为235N/m㎡。
【单选题】Where could she ______ the key? I couldn't find anywhere.
【单选题】Helen asked her father _____. [ ]
A.
if it was a balloon in the sky
B.
where could she get this kind of book
C.
that he would show her around the farm
D.
if they will have fish for lunch
【单选题】微机硬件的主要技术指标有:性能、功能、()、兼容性等技术参数
【单选题】计算机硬件的主要技术指标有性能、功能、( )、兼容性等。