My grandmother eats food, so she is in good .
A:health; health
B:healthy; healthy
C:health; healthy
D:healthy; health
解释含有“蛇”字的成语:
打草惊蛇:____
杯弓蛇影:____
一幅地图的比例尺如图 所示,在这幅地图上,图上距离和实际距离的比是____;实际500千米的距离,在地图上应画成____厘米.