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【单选题】
某品管工程师欲估计工厂生产之货柜的重量。该工程师随机抽取 400 个货柜进行测试,得到样本平均数为 120 公斤,样本标准差为 18 公斤。试计算该工厂生产之货柜平均重量的 90% 信赖区间为何? 提示:
A.
120±1.4805
B.
120±1.764
C.
120±0.9
D.
120±0.074
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【单选题】An 18-year-old boy was suspected of having leukemia. It was decided to confirm the diagnosis by performing a bone marrow biopsy. The following statements concerning this procedure are correct except w...
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The biopsy was  taken from the lower end of the tibi
B.
Red bone marrow specimens can be obtained from the sternum orthe iliac crests
C.
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D.
The blood-forming activity of bone marrow in many long bones gradually lessens with age, and the red marrow is gradually replaced by yellow marrow
E.
By the time the person becomes adult, red marrow is restricted to the bonesof the skull, the vertebral column, the thoracic cage, the girdle bones, and the head of the humerus and femur
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5
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10
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15
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【单选题】An 18-year-old boy was suspected of having leukemia. It was decided to confirm the diagnosis by performing a bone marrow biopsy. The following statementsconcerning this procedure are correct except wh...
A.
The biopsy was taken from the lower end of the tibi
B.
Red bone marrow specimens can be obtained from the sternum orthe iliac crests
C.
At birth, the marrow of all bones of the body is red and hematopoietic
D.
The blood-forming activity of bone marrow in many long bones gradually lessens with age, and the red marrow is gradually replaced by yellow marrow
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A.
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A.
5km/h
B.
10km/h
C.
15km/h
D.
20km/h
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A.
回避原则
B.
合议制原则
C.
公开审判原则
D.
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A.
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