四大洋中，亚洲没有濒临的是（ ）
A：太平洋
B：大西洋
C：印度洋
D：北冰洋
一幅地图上距离4cm表示的实际距离为6000m，这地图的比例尺是____．
It suddenly occurred to him ____ he had left his keys in the office.
It is greatly ____ ____ ____ th that you have passed such a difficult examination.
解释词语：
横行无忌：____。
凶神恶煞：____ 。
