红细胞生成主要取决的因素是（）
A.造血质量
B.造血细胞
C.造血调节
D.造血原料
E.造血速度
参考答案：B, C, D
____of danger in the street at night, she had to go home, with a friend ___ her.
A．Warned; accompanied
B．Warning; accompanying
C．Having warned; accompanied
D．Having been warned; accompanying
女，30岁，怕热、多汗、易激动，消瘦１年。查体：消瘦、皮肤湿润，甲状腺增大，随吞咽上下移动，心率100次∕分。检验：T3,T4增高。最可能的诊断是（）。
A．肿瘤
B．甲亢
C．甲低
D．肺结核
