科研利用率最高的是()。
A.图书
B.学位论文
C.会议文献
D.期刊
参考答案:D
In the context of company law, discuss the concept of corporate personality and the consequences that flow from it. (10 marks)
建筑地面以上的砌体,宜采用( )。
A.水泥砂浆B.混合砂浆C.石灰砂浆D.石膏砂浆