任何奇数加1之后,一定都是2的倍数。[ ]
正确
战国乐器中最为珍贵的整套编钟出土于
A.河南安阳
B.四川成都
C.湖北随县
D.湖南长沙
_____, they got to know each other and became friends. [ ]
A. By the end
B. At the end
C. In the end
D. On the end