铁粒幼细胞性贫血表现为
A.MCV正常,RDW增高B.MCV增大,RDW正常C.MCV减少,RDW增高D.MCV、RDW均正常E.MCV、RDW均增高
参考答案:A
中国南沙群岛中面积最大的是()。
A.太平岛
B.南成岛
C.中业岛
D.黄岩岛
I've got to the position where I am _____ hard work [ ]
A. by this means
B. by all means
C. by no means
D. by means of