Pentium微处理器每个时钟周期最多能执行( )指令
A.1条
B.2条
C.3条
D.4条
参考答案:B
_______ comfortably in a chair, he was completely lost in a magazine.
A.To sit
B.Sat
C.Sitting
D.Having sat
如图,是甲、乙两种液体内部的压强与深度关系的图象,设液体甲的密度为ρ甲,液体乙的密度为ρ乙,则ρ甲______ρ乙;从图象上你还能得到什么结论:______(只写一条).