线形三角锁是布设在两个高级控制点之间的三角锁,它常适于建立小地区的平面控制网。
参考答案：错
199999+19999+1999+199+19的值是( )
A．222205
B．300000
C．222215
D．200000
The film Harry Potter was quite _____ hit across the world, bringing in ____ income of box office of over millions of dollars within five months.[ ]
A. /; an
B. a; /
C. a; an
D. a; the
