玩具的形象和色彩能引发幼儿的喜爱表明玩具具有()
A.艺术性
B.安全性
C.经济性
D.实用性
参考答案:A
听句子,缩写原文。()
A.The board of directors asked about the changes.
B.The board of directors decided to invest more on the project.
C.The board of directors approved the revisions.
D.The board of directors could not understand her explanation.
( )可以实行设计进度质量保留金制度。
A.监理单位 B.项目法人C.设计单位 D.施工单位