【单选题】What did grown-ups care about?
A.
They cared about figures.
B.
They cared about proofs.
C.
They cared about nothing.
【判断题】我国第三次人口普查经费支出为4亿元。()
【单选题】下列哪个属于外观设计专利保护的客体?()
【单选题】当管内流体流动进入阻力平方区时,如下哪项变化不一定改变管路特性曲线()
【多选题】用来检测焊缝表面缺欠的无损检测方法是 。
【单选题】不适于治疗充血性心衰的磷酸二酯酶抑制药是
【单选题】What did grown-ups think of "my" drawing No. 1?
A.
They thought that it was scary.
B.
They thought that it ws a picture of a hat.
C.
They thought that it was a picture of a boa constrictor digesting an elephant.
【单选题】下列哪个属于外观设计专利保护的客体?(2013专代,不定项)
【简答题】12的坡度,换算为百分数表示,是____%。