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【单选题】
关于骨髓穿刺,下列说法哪项错误A.
骨髓穿刺以髂骨前.后上棘最常用
B.
穿刺时，抽取骨髓液需2—3ml
C.
一个穿刺部位吸取骨髓过多，会使骨髓被稀释
D.
初诊病人治疗前穿刺
E.
严格无菌操作
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举一反三
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A.
pleaded
B.
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C.
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D.
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【单选题】154 Which of the following is referred to as payback period:
A.
the number of periods required to recover the initial investment
B.
the rate of return on the investment
C.
the number of periods required to bring project cost back to the original budget, based on current performance
D.
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E.
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A.
On the whole
B.
Hopefully
C.
Much to our regret
D.
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【单选题】Which of the following is closet to Deming's definition of Quality:
A.
. conformance to requirements.
B.
. fitness for use.
C.
. continuous improvement of products and services.
D.
. customer focus.
E.
. All of the above.
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A.
be in a new area needing improvement
B.
require great strengths of the employees
C.
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D.
be based on the employees' past achievement
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