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【单选题】
不属于血红蛋白继发性增多的疾病是（）A.
慢性肺源性心脏病
B.
肺源性心脏病
C.
真性红细胞增多症
D.
某些肿瘤患者
E.
发绀型先天性心脏病
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【简答题】I could not persuade him to accept it, _____ make him see the important of it. (A) if only I could not (B) no more than I could (C) or I could not (D) nor could I
【单选题】I could not persuade him to accept it,______ make him see the importance of it.
A.
if only I could not
B.
no more than I could
C.
or I could not
D.
nor could I
【简答题】I could not persuade him to accept it, _____________ make him see the importance of it. [A] if only I could not [B] no more than I could [C] or I could not [D] nor could I
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