【单选题】车辆在泥泞、溜滑路面上紧急制动时,易产生侧滑,甚至造成翻车、坠车或与其他车辆、行人相撞。
【单选题】在Excel工作表中用于表示单元格的绝对引用符号是_____。
【判断题】Culture is a set of norms that set standards for a society of what is acceptable behavior.
【简答题】以可燃气体为燃料的汽车称为_________________。
【单选题】Computer virus, whose essential ______ is a set of instructions, is one kind of threat to the security and integrity of computer system.