A.1种
B.5种
C.6种
D.1000种
答案:B
The bell _____ the end of the class rang, _____ our heated discussion.
A.indicating, interrupting
B.indicated, interrupting
C.indicating, interrupted
D.indicated, interrupted
男性,74岁,渐进性乏力伴面色苍白2个月。查体为贫血貌,有反甲,巩膜无黄染,浅表淋巴结无肿大,心率102次/分,肝脾肋下未触及。血常规Hb79g,/L,RBC2.82×1012/L,MCV78fl、WBC5.0×109/L,血小板220×109/L,首先考虑()
A.缺铁性贫血
B.再生障碍性贫血
C.珠蛋白生成障碍性贫血(海洋性贫血)
D.巨幼细胞性贫血
E.溶血性贫血