评价营养不良的确诊指标是（）。
A.白蛋白
B.球蛋白
C.外周血淋巴细胞计数
D.转铁蛋白
E.视黄醇蛋白
参考答案：A
The key to our success was having the courage to take on any job, and then being creative in our _______ to getting it finished.
A．measure
B．approach
C．methods
D．chance
反射率介于（）之间的物体色通称为灰色。
A.0%～50%
B.50%～100%
C.10%～95%
D.10%～75%
