下列哪项是诊断缺铁最肯定的依据
A．有慢性失血史B．血涂片见典型小细胞低色素性红细胞C．转铁蛋白饱和度降低D．骨髓小粒可染铁消失
参考答案：D
在比例里，（ ），叫做比例的基本性质。
The good service at the hotel the poor food to some extent. [ ]
A. got rid of
B. got on with
C. made up for
D. made up
