人要善于把握自我，一个人到世界上去奋斗，去追求，也许______，也许败归。
A．凯旋B．胜利C．大捷D．班师
参考答案：A
已知方程x2+kx+6=0的两个实数根为x1，x2，同时方程x2-kx+6=0的两个实数根为x1+5，x2+5，则k的值等于（ ）
A．5
B．-5
C．7
D．-7
While I __________to the English programes, mother_______outside.
A. listened; was washing B was listening;washed
C was listening; was washing D listened; was washing
