国家环境规划对全国的环境保护工作起（）作用。
参考答案：指导
The apples were divided______according to the age and size of the children.
A．equally
B．approximately
C．proportionately
D．sufficiently
( )是保险销售各环节中最重要的一环。
A．准保户开拓 B．调查并确认准保户的保险需求C．设计并介绍保险方案 D．疑问解答并促成签约
