园林工程建设监理具有独立性、公正性、公平性、科学性和（）等性质。
参考答案：服务性
This January will be very precious for us by which time we______ reviewing Senior Book I.
A．will finish
B．will have finished
C．have finished
D．will be finished
配重管混凝土厚度的单点测量值不应超过涂层厚度的（）.
A、±25%
B、±20%
C、±15%
D、±10%
