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【单选题】
女婴 ,11 个月。面色苍白伴萎靡不振 1 个月。生后混合喂养,未添加辅食。查体:皮肤粘膜苍白,肝肋下 1cm ,心脏无异常。试验检查: Hb85g/L , RBC3.5X10 12 /L ,平均细胞容积 68fl ,血清蛋白降低,最可能的诊断是 ( )
A.
再生障碍性贫血
B.
维生素B12缺乏性巨幼红细胞贫血
C.
溶血性贫血
D.
叶酸缺乏性巨幼红细胞性贫血
E.
缺铁性贫血
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【简答题】Dialogue5: Choosethe best answer (a, b, or c) for the following question. Whatdoes the man know about St. Mary's Church?A. They have a beautiful organ. B. There will be a recital in the church. C. The...
【单选题】Which of the following cities is the meeting place for the 1st and 2nd Continental Congress?
A.
New York City
B.
Boston
C.
Washington D.C.
D.
Philadelphia
【单选题】In the late 20th century and early 21st century, the refugee problem has been acute for the following reasons except for __________.
A.
fighting in Afghanistan
B.
conflicts in the former Yugoslavia
C.
the Vietnam War
D.
conflicts in Uganda and some other African countries.
【单选题】集团蠕动的主要作用是。
A.
对结肠内容物起混合作用
B.
促进结肠内水分的吸收
C.
促进结肠内容物向肛端方向推进
D.
促进结肠内容物逆向推进
E.
促进无机盐的吸收
【单选题】Please choose the correct name for the following cloud.
A.
St
B.
As
C.
Cs
【单选题】EST序列本质上是( )
A.
基因组DNA
B.
cDNA序列
C.
mRNA序列
D.
多肽序列
E.
蛋白质序列
【单选题】下列序列中,适合心脏电影动态成像或MRA成像的序列是
A.
SE序列
B.
TSE序列
C.
GRE序列
D.
FISP序列
E.
EPI序列
【单选题】Please choose the correct name for the following cloud.
A.
Cb
B.
St
C.
Fn
【单选题】Please choose the correct name for the following cloud.
A.
Fs
B.
St
C.
Ac
【简答题】设{an}是取值于±1的独立等概序列,若bn=(-1)nan,证明序列{bn}也是独立等概序列。
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