点P(-2,-3)向左平移1个单位,再向上平移3个单位,则所得到的点的坐标为( )
A:(-3,0)
B:(-1,6)
C:(-3,-6)
D:(-1,0)
如图,折叠长方形的一边AD,使点D落在BC边的点F处,若AB=8cm,BC=10cm,则EF的长为( )
Using body language in a correct way will help __________ people and make the stay in a foreign country easy and comfortable.