I went to Zhejiang ______________.[ ]
A. today
B. tomnorrow
C. last year
答案:C
已知数列{an}为等差数列,数列{bn}是各项均为正数的等比数列,且公比q>1,若a1=b1,a2011=b2011,则a1006与b1006的大小关系是[ ]
A.a1006=b1006
B.a1006>b1006
C.a1006<b1006
D.a1006≥b1006
活检时采取病变组织的方法常有()
A.局部切除
B.内镜钳取
C.穿刺细针吸取病变细胞
D.搔刮
E.病变器官切除