流式细胞仪接收并分析的信号主要有光散射讯号和荧光讯号。()
参考答案:对
患者,女性,22岁。近3个月来月经增多,因皮肤及牙龈间断出血来诊。体检:齿龈及皮肤瘀斑,肝脾未触及,胸骨无压痛。Hb105g/L。骨髓示:巨核细胞明显增多,成熟型减少。最可能的诊断是()。
A.慢性再障
B.急性再障
C.急性淋巴细胞白血病
D.特发性血小板减少性紫癜
E.DIC
. ------- What do you think of Harry, our new roommate?
-------- I am not sure, but he is always asking ______ questions.
a great many of B. a great many C. a great number D. a large amount of