违约责任的承担方式有（）。
A.继续履行
B.给付预付款
C.赔偿损失
D.担保
E.给付违约金
参考答案：A, C, E
After we finished the work in the morning,we had our lunch . [ ]
A. at noon
B. in the evening
C. at night
D. at midnight
直流正、负极接地对运行有哪些危害
