—Would you like some bread?
—______.[ ]
A. like
B. No
C. I'd like
D. No, thanks
答案:D
在等比数列{an}中,an>0(n∈N*),且a6-a4=24,a3a5=64,则{an}的前8项和是______.
DS6-11计算机联锁系统联锁机主、备机切换满足哪些要求?