题目: What is the decimal value of the following 32-bit two's complement number1111 1111 1111 1111 1111 1111 1100A.-8B.-4C.4D.8 答案: 参考答案:B
题型:选择题 The teacher, along with 5 of her students, ________talking with a foreign teacher in the English Corner at that time.A.wasB.wereC.had beenD.would be 查看答案
题型:单项选择题 在风险等级划分中,把发生危险可能产生后果的严重程度分为()三个等级。A.很大、很小、极小 B.轻度损失、中度损失、重大损失 C.轻微伤害、伤害、严重伤害 D.—般伤害、较大伤害、重大伤害 查看答案