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问题 单项选择题 A1/A2型题

下述哪项不符合慢粒急变（）

A.抗生素治疗无效的高热

B.脾脏进行性肿大

C.Ph染色体转阴

D.骨髓中原粒及早幼粒细胞＞30％

E.化疗无效

答案

参考答案：C

选择题

255. The college entrance examination is drawing near and all the students are ploughing through their studies. What does the underlined part means _____.

A．learning to plough

B．studying hard

C．ploughing the field

D．studying the plough
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填空题

当科马斯隧道式烘梗丝机的空气喷吹系统在工作中声音很小时，说明小喷头（）。
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