— _____
— Go up this road to the end.
A：Where are we now?
B：What are we doing at the supermarket?
C：How can I get to the supermarket?
D：Who can get to the supermarket?
在下列科学家中，为纪念他的贡献，将其名字作为物理量单位的是：
解释下列词语
①适宜
②保护
