A:①②③
B:②③④
C:①③
D:①③④
An enormous amount of energy and resources went into the c____(建设) of those houses.
如图,在平面直角坐标系中,直线y=﹣2x+10与x轴,y轴相交于A,B两点,点C的坐标是(8,4),连接AC,BC.