【简答题】C语言标识符的第一个字符只能字母或______
【单选题】We were forced to our office from downtown New York to suburbs because the rent in big city was too high.
【多选题】以下属于4.3遇水释放易燃气体的物质是( )
【单选题】The spring floods had washed away the bridge, we were forced to take a ______ route.
【单选题】以下关于 Python 的控制结构的描述中,错误的是
B.
在 Python 中,没有 switch-case 语句
C.
Python 中的 pass 是空语句,一般用作占位语句