Mrs. S with preterm labor will be under Terbutaline (Brethine) therapy. Before beginning the therapy, which of the following assessments would be most important

A. Estimated fetal size.
B. Maternal heart rate.
C. Contraction intensity.
D. Deep tendon reflexes.

物业管理服务是一种（）很强的特殊产品，其价值的衡量很难定量化。

A.规律性

B.实用性

C.创造性

D.综合性

E.服务性