有机磷农药中毒的机制是
A.与组胺H2受体结合B.与乙酰胆碱酯酶结合C.血碳氧血红蛋白浓度升高D.血二氧化碳结合力下降E.抑制乳酸脱氢酶活性
参考答案:B
— She got her first science fiction published. It turned out to be _____.
— When was that?
— It was in 2009 _____ she was still in college.[ ]
A. success; that
B. a success; when
C. success; when
D. a success; that
上市公司的下列业务中,不符合重要性要求的是( )。
A.年度财务报告比季度财务报告披露得详细
B.本期将购买办公用品的支出直接计入当期费用
C.每一中期末都要对外提供中期报告
D.在资产负债表日,如果委托贷款的合同利率与实际利率差异较小,企业可以采用合同利率计算确定利息收入