抽样检验结果的准确与以下哪些因素有最为密切的关系（）
A.商品特性
B.选作判断的质量特性值
C.抽样方案
D.抽样方法
E.抽样场所
参考答案：C, D
在肉汤中培养24小时后培养液变清的是（）。
A.葡萄球菌
B.链球菌
C.肺炎链球菌
D.大肠埃希菌
E.新型隐球菌
So desperate ________ that no one could help another, each ________ to save himself and his animals.[ ]
A．was the situation; was trying
B．the situation was; trying
C．the situation was; was trying
D．was the situation; trying
