下列有关溶血性贫血的叙述,哪项是不正确的()
A.可能存在红细胞内在缺陷
B.红细胞寿命缩短
C.可能存在红细胞外在异常
D.脾脏功能亢进
E.排除红细胞外在异常
参考答案:E
More and more vehicles using cheap fuel, declared scientists at the conference, have left Bangkok's children with body lead levels the world highest.
A.in the world highest
B.in the world's highest
C.among the world's highest
D.among the highest of world
不属于应收账款的信用政策的是()。
A.信用标准
B.信用期间
C.信用赊销
D.现金折扣政策