一个做匀速直线运动的物体,它在5min内通过的路程是900m,则这个物体的速度是 ____m/s;在前2min内的速度是 ____ m/s;在前2min通过的路程是 ____ m.
阅读短文,判断对错。
Look at this photo(照片). This woman is my mother. She is 36. This man is my father. He is 37. This girl is my sister. She is 11. The little boy is me. I am 6. I love them. And they love me very much.