DME距离指示在737-700/800飞机上可以显示在什么地方()
A、P1和P3板的DME显示器上
B、RDMI
C、RDMI、PFD
D、PFD、ND
参考答案:D
(2013•重庆)已知{an}是等差数列,a1=1,公差d≠0,Sn为其前n项和,若a1,a2,a5成等比数列,则S8= _________ .
—Well, I do think the iPod is a smart, convenient and intelligent.
—________.
A.So it is
B.So is it
C.So does it
D.So it does