单项选择题
()只备份上一次备份后数据的改变量,故而大大减少备份空间,缩短备份时间。A、增量备份B、差量备份C、完全备份D...
单项选择题()只备份上一次备份后数据的改变量,故而大大减少备份空间,缩短备份时间。
运输危险货物的车辆在一般道路上最高车辆为km/h,在高速公司上最高车速为km/h（）A.60B.80C.120...
单项选择题运输危险货物的车辆在一般道路上最高车辆为km/h,在高速公司上最高车速为km/h（）
He had to __________ his journey before it had hardly b...
单项选择题He had to __________ his journey before it had hardly begun.
