I have only one pen and I am going to buy _____. (

I have only one pen and I am going to buy _____. ( )(本题3.5分) A、 the second B、 o

查看答案

17. ______ from what you say, he has done his best

17. ______ from what you say, he has done his best.(本题3.5分) A、 To judge B、 Judge

查看答案

河流水质模型参数的确定方法包括( ) [ 3 分 ] A. 公式计算和经验值估算 B. 室内模拟实验

河流水质模型参数的确定方法包括( ) [ 3 分 ] A. 公式计算和经验值估算 B. 室内模拟实验测定 C. 现场实测 D. 水质数学模型优化法 E. 拟合曲

查看答案