以下哪一项不是产生急性白血病时贫血的原因()。
A.白血病细胞干扰幼红细胞的生成
B.红细胞寿命缩短
C.因出血而失血
D.自身免疫性溶血
E.G6PD缺乏致溶血
参考答案:E
Study hard , ______ you will not pass the exam .
A.and
B.otherwise
C.if
D.unless
________ I’m __________ about the work. I’m not strong enough for it.
A.since…bored
B.however… exhausted
C.Not that… particular
D.Now that…tired