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【单选题】
4岁男孩，头大颈短，皮肤粗糙，毛发稀少，经常便秘，3岁才会走路，说话言语不清。查体：身材矮小，眼距宽，鼻低。心率70次／分，心音低钝，双肺（-），腹较膨胀，肝脾不大。对明确诊断最有帮助的检查是A.
血钙、磷、碱性磷酸酶
B.
血总蛋白、白蛋白、胆红素
C.
染色体核型分析
D.
查血T4、TSH
E.
血氨基酸分析
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举一反三
【单选题】Questions 2
A.
Some of their prisoners are allowed to study outside the prison grounds.
B.
Most of their prisoners are expected to work.
C.
Their prisoners are often sent to special centers for skill training.
D.
Their prisoners are allowed freedom to visit their families.
【单选题】Questions 2
A.
He doubled the reward.
B.
He cheered him on all the way.
C.
He set him an example.
D.
He had the event covered on TV.
【单选题】Questions 2
A.
Thursday morning.
B.
Thursday afternoon.
C.
Monday morning.
D.
Monday afternoon.
【单选题】酵母菌基因组结构最显著的特点是( )，其tRNA基因在每个染色体上至少是4个，多则30多个，总共约有250个拷贝。
A.
高度重复
B.
操纵子结构
C.
少而短
D.
连续性
【单选题】In a nationwide poll, P people were asked 2 questions. If 2/5 answered 'yes' to question 1, and of those 1/3 also answered 'yes' to question 2, which of the following represents the number of people p...
A.
2/15 P
B.
3/5 P
C.
3/4 P
D.
5/6 P
E.
13/15 P
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【单选题】Questions 2
A.
Thursday morning.
B.
Thursday afternoon.
C.
Monday morning.
D.
Monday afternoon.
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