Where are you going? [ ]
A. To the grocery store
B. To the bicycle shop
答案:B
9+99+999+9999的值是( )
A.11106
B.11206
C.11006
D.11116
船舶速度越快,视野(),使近处景物的清晰度()。
A、越大;降低
B、越小;增加
C、越小;降低
D、越大;增加