外周血白细胞数明显升高,NAP积分>200分()
A.慢性粒细胞白血病
B.MDS
C.急性白血病
D.类白血病反应
E.慢性淋巴细胞白血病
参考答案:D
Many people believe we are heading for environmental disaster _____ we basically change the way we live.
A.but
B.although
C.unless
D.once