题干
- I bought Collecting the Morning Flowers in the Evening, a book written by Lu Xun. Would you like to read __________?
- No, thanks. I have already bought __________.
A：one; it
B：it; one
C：one; one
D：it; it
答案(点此获取答案解析）
B
的地图上，量得两地间相距12厘米，一列客车和一列货车从两地同时相向而行，4小时相遇，已知客车与货车的速度比是3：2，客车每小时行驶多少千米．