满足线性规划问题所有约束条件的解称为（）。
A.可行解
B.基本可行解
C.无界解
D.最优解
参考答案：A
—Do you know Tsering Danzhou, a ten-year-old boy in Yushu?
—Yes. He the people his great help as a translator after the earthquake. [ ]
A. provided
B. supported
C. offered
D. afforded
目前，我公司机组规定回油温度（）报警。
A．55℃
B．65℃
C．75℃
D．85℃
