图中木块长度的测量值为_______________cm;
3.35(3.51-3.59之间即可)
患者,男,50岁。头晕、乏力半年,发作性晕厥2个月。脾肋下5cm,Hb:200g/L,WBC:6.4×109/L,血小板360×109/L,中性粒细胞碱性磷酸酶(NAP)强阳性,积分120分。该患者选用下列哪项治疗为宜()。
A.抗凝治疗
B.羟基脲
C.同位素P32
D.α干扰素
E.脾切除
There are _____ reasons for the great changes in the countryside. [ ]
A. the number of
B. a great many of
C. a number of
D. a number