ATP分子中各组分的连结方式是()
A、R-A-P-P-P
B、A-R-P-P-P
C、P-A-R-P-P
D、P-R-A-P-P
E、P-A-P-R-P
参考答案:B
项目河流水环境风险评价采用一维瞬时源动态模型,预测瞬时排放的保守污染物形成的浓度变化过程需要选用的参数有()。
A.污染物降解系数
B.河流径流量
C.污染物排放量
D.纵向离散系数
A moving company charges a flat rate of $550 for loading its trucks and an additional $20 per 1/5 mile for moves within the city. How much would a move of 2.8 miles within the city cost ?()
A. $690
B. $790
C. $830
D. $880
E. $1,010