轮船行驶的路程÷时间=速度（一定），是比值一定，轮船行驶的路程和时间成正比例．
故选：A．
— What is Grandma cooking in the kitchen?
— Fish, I guess. How nice it _______!
A．sounds
B．smells
C．tastes
D．looks
根据句意及首字母提示写出所缺单词
1. We are going to s__________ up a food bank to help hungry people.
2. Pei loves animals and plans to study to be a V__________ when he leaves school.
3. I would love to sail a__________ the Pacific.
4. -Thank you for helping me with my English!
-It's my p__________.
5. -Would you please s__________ the door for me? It's too cold.
-OK. I'll do it for you soon.
