对文本文件进行阅读和修改,常使用()程序。
A、编辑;
B、显示;
C、打印;
D、连接。
参考答案:A
楼面和楼地面是房屋的垂直承重和分隔构件。( )
The present situation will get worse unless carefully ________.[ ]
A. dealing with
B. dealt with
C. to deal with
D. to be deal with