外周血中出现有核红细胞可见于以下疾病,但除外:()
A.伴髓外造血的骨髓纤维化
B.恶性肿瘤骨髓转移
C.β-珠蛋白生成障碍性贫血
D.镰状细胞贫血
E.缺铁性贫血
参考答案:E
改错。
( ) 1. We get to Harbin yesterday. _______________
A B C
( ) 2. People didn't went to the gym. _______________
( ) 3. You were very loudly! _______________
( ) 4. I went there on train. _______________
森林的生态作用。