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1. Which level of government should be consulted when making food safety decisions, listing the most important resource to the last resource. 遇到做与食物安全相关的决定时,要先与哪个级别的政府部门先联系,请按主次,先后顺序排列:

A. federal,  state,  local

B. local,  state,  federal 

C. state,  federal,  local 

D. all at the same time

正确答案看以下视频。

http://youtu.be/2hbf436AbIs?list=PL_VRUhsK0r-ztZqIqbhIwplUfwb2w7h_S