天然砂
参考答案:
由自然条件作用形成的,粒径在5mm以下的岩石颗粒。按其产源不同,可分为河砂、海砂和山砂。
新中国成立后,历史剧领域创作方面取得了不俗的成绩。其中田汉创作了()。
A.《蔡文姬》
B.《关汉卿》
C.《文成公主》
D.《胆剑篇》
Which of the following statements regarding GIPS is least accurate()
A. A GIPS objective is to promote global "self- regulation".
B. GIPS allows clients to have more confidence in reported performance.
C. To stay GIPS compliant, a firm must abide by GIPS guidelines even when conflicting with local or country -specific regulations.