搜题请搜索小程序“爱下问搜题”
问题 单项选择题

1岁患儿，外周血示小细胞低色素性贫血，不应考虑的疾病是

A．铁粒幼细胞性贫血

B．缺铁性贫血

C．地中侮贫血

D．感染性贫血

E．再生障碍性贫血

答案

参考答案：E

选择题
Turn on the television or open a magazine and you _____ advertisements showing happy families.

A. will often see
B. often see
C. are often seeing
D. have often seen
查看答案
判断题

生物对不同生态因子的耐受性不同，并且耐受性可以人为改变。 [ ]
查看答案