某点以东是西半球,以西是东半球,以北有极昼极夜现象,该点的地理坐标是( )
A:23.5°N,160°E
B:66.5°N,160°E
C:23.5°S,20°W
D:66.5°S,20°W
(请将序号填入横线)①达瓦拿着粉擦擦着黑板;②卷笔刀削铅笔;③人走路鞋底与地面的摩擦;④足球在操场上滚动;⑤静止在斜面上的正方体木块与斜面之间的摩擦.
—What's thirty and fifty?
—It's e____.
To _______ somebody to do something means to make somebody do something they don't want to do.