在制定采样计划时，内容应包括（）
A、采样垂线和采样点位
B、测定项目和数量
C、采样人员和分工
D、安全保证
参考答案：A,B,C,D
I was born in New Orleans, Louisiana, a city _____ name will create a picture of beautiful trees and green
grass in our mind. [ ]
A. which
B. of which
C. that
D. whose
调味品的盛装器皿应根据调味品的物理性质和化学性质分别选用
