尿肌酐排泄率测定应采用（）
A.首次晨尿
B.随机尿
C.3h尿
D.12h尿
E.24h尿
参考答案：E
We are interested in the weather because it _____ us so directly ------ what we wear, what we do, and even how we feel.
A．benefits
B．guides
C．affects
D．effects
外墙施涂乳胶漆时，环境温度大于（）时，应暂停施涂.
A.45%
B.55%
C.65%
D.80%
