题目

Lisa was preparing lunch while her son, Barney, was playing by himself in the back garden. Suddenly she __61___ ( hear) a loud cry. So she rushed into the garden. She found a big snake trying to eat her son! Lisa was very ___62___ (worry) and angry. She made up her mind ____63__ (save) her son from the snake’s mouth. She took up ___64___ old stick, with ___65___ she began beating the snake violently.  Lisa beat the snake continuously(连续地), __66___it didn’t work. Suddenly Lisa threw ___67__ (she) to the snake, opening her mouth and biting into its back. After the snake was _有一幅残破地图，比例尺看不清楚了，但知地面上甲、乙两地相距200千米，图上两地相距为20厘米，这幅地图的比例尺为( )A.1:10 000 B.1:100 000 C.1:1 000 000 D.1:10 000 000