依据《生产安全事故报告和调查处理条例》的规定,将()列为事故分级的第一要素。
A、人员伤亡的数量
B、直接经济损失的数额
C、社会影响
D、其他要素
参考答案:A
下列泻下药中有效成分不溶于水,宜人丸散的药物是()
A.芒硝
B.番泻叶
C.火麻仁
D.牵牛子
E.甘遂
As we stood on the top of the hill, we could see the beautiful scene that ____ before us. [ ]
A. had spread
B. has spread
C. spread
D. spreads