缺铁性贫血的实验室检查最可靠的是()
A.MCV、MCHC
B.血清铁
C.总铁结合力
D.骨髓铁粒幼红细胞
E.骨髓含铁血黄素染色
参考答案:E
Every evening after dinner, if not _________ from work, I will spend some time walking my dogs.
A.being tired
B.tiring
C.tired
D.to be tired
调测工程师通常用频率计测量基站天线驻波比。