在建设项目财务评价中，反映项目盈利能力的常用指标是( )。
A．资产负债率 B．内部收益率C．生产能力利用率 D．流动比率
参考答案：B
I think it is necessary for my 19-year-old son to have his own mobile phone, for I
sometimes want to make sure if he ＿＿ home for dinner. [ ]
A. come
B. comes
C. has come
D. will come
水冷壁采用内螺纹管的部位？
