She often plays basketball after school.[ ]
A. a
B. /
C. the
答案：B
“马拉松”比赛的全程是42.195千米，合（ ）千米（ ）米。一位选手用了2小时5分跑完全程，合（ ）小时。
宽体客机非精密进近的最低下降高不低于：（）.
A.105m
B.120m
C.90m
D.75m
