缺铁性贫血与慢性感染性贫血的鉴别要点是()
A.血清铁测定
B.小细胞低色素性贫血
C.骨髓红细胞内铁
D.骨髓细胞外铁
E.红细胞内游离原卟啉测定
参考答案:D
螺旋CT行容积采样,扫描范围为500mm,螺距为2,准直器宽度为10mm,如果重建间隔为20mm,最终获得的重建图像数为()。
A.25
B.50
C.100
D.200
E.250
按要求改写句子。
1. Han Mei often reads English Weekly in the morning. (对画线部分提问)
__________ does Han Mei often __________ in the morning?
2. She has a sore throat.(同上)
__________ her?
3. My father sleeps eight hours every day.(同上)
__________ hours __________ your father __________ every day?
4. There is a sheep on the hill.(改为复数形式)
There __________ on the hill.
5. Mrs Black goes shopping once a week.(对画线部分提问)
___________ Mrs Black go shopping?