煤中硫化物硫和硫酸盐硫是()硫。
A、可燃
B、无机
C、不可燃
D、有机
参考答案:B
__________ any other species, human populations are shaped by the usual forces of natural selection,
like famine, disease or climate.[ ]
A. Compared with
B. As with
C. As for
D. In addition to
()是对企业、家庭或个人正面临的和潜在的风险加以判断、归类和对风险性质进行鉴定的过程。
A.风险识别
B.风险估测
C.风险评价
D.评估风险管理效果