请你将图坐标系中的图形进行平移,使A点移到点(-6,4)处,在坐标系中画出平移后的图形.
所作图形如下:
Heroes ______ their life ______ becoming the best they can be, whether it is President of the United States, a mother, or a firefighter.
A.prevent…from
B.devote…to
C.prefer…to
D.suffer…from
在决定倒闸操作前,值班调度员应考虑哪些问题,做好哪些准备工作?