统一眩光值(UGR)
参考答案：
它是度量处于视觉环境中的照明装置发出的光对人眼引起不舒适感主观反应的心理参量，其值可按CIE眩光值公式计算。
---Could you _____me some_____?
A．give, advices
B．give, advice
C．giving, advice
D．to give, advices
As we know, Jean is a investor（投资者）who studies the market before he buys things.
A．lucky
B．cautious
C．patient
D．generous
