敏感性分析的绝对值方法是计算( )。
A.因素变动值
B.指标变动值
C.敏感性系数
D.临界点
参考答案:D
下列哪项是三期梅毒的标志,也是破坏性最大的一种损害()。
A.树胶肿
B.近关节结节
C.结节性梅毒疹
D.掌跖性梅毒疹
.It was from only a few supplies that she had bought in the village______the hostess cooked such a nice dinner.
A.where
B.that
C.when
D.which