组织应依据GB/T28001-2011中哪个要素的要求定期进行法律法规的符合性评价?() ["4.3.2","4.5.1","4.5.2","4.6"]
谢赫的绘画理论中第一条是指() ["A、骨法用笔","B、气韵生动","C、应物象形","D、随兴赋彩"]
妊娠日粮中可用多少苜蓿?
唐太宗在位时最著名的谏臣是()。 ["A、房玄龄","B、魏征","C、杜如晦","D、姚崇"]
造成中西方绘画差别的最主要原因是() ["A、圆笔和扁笔的差别","B、墨和彩的区别","C、画布和宣纸的差别","D、文化的区别"]
寒冷天气对饲料需要量有何影响?