删去正整数数列1,2,3,……中的所有完全平方数,得到一个新数列,这个新数列的第2003项是 [ ]
A.2048
B.2049
C.2050
D.2051
答案:A
Perhaps I'm not quite fit for the job, but________, please let me have a try. [ ]
A. in fact
B. anyhow
C. so
D. otherwise
地籍按记载的对象分为常规地籍和数字地籍。( )