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40.患者,女性,20岁,头昏,乏力,两下肢散在淤斑,肝脾末触及,血红蛋白45g/L,红细 胞1.06×1012/L,白细胞2×109/L,中性30%,淋巴70%,血小板25×109/L,骨髓增生低下,巨核细胞末见,可能诊断为

A. 粒细胞减少症
B. 再生障碍性贫血
C. 白细胞减少性白血病
D. 恶性贫血
E. 缺铁性贫血

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41.患者,女性,因尿路感染曾反复多次用抗生素治疗,近几天来高热不退,齿跟及皮下出血,血红蛋白5Og/L,红细胞1.8×10↑<12>/L,白细胞1.9×10↑<9>/L,中性20%,淋巴78%,单核2%,血小板25×10↑<9>/L,网织红细胞0.2%,骨髓增生明显减低,粒红二系均减少,成熟淋巴细胞占65%,巨核细胞未见,血小板难见,本病可能是

A. 急性再生障碍性贫血
B. 粒细胞缺乏症
C. 感染性贫血
D. 急性淋巴细胞白血病

If she doesn't tell him the truth now, he'll simply keep on asking her until she ____. (1998.6. CET-4)

A. does
B. has done
C. will do
D. would do

There ought to be less anxiety over the perceived risk of getting cancer that ______ in the public mind today.

A. exists
B. exist
C. existing
D. existed

I decided to go to the library as soon as I ______. (1991.6. CET-4)

A. finish what I did
B. finished what I did
C. would finish what I was doing
D. finished what I was doing

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