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【单选题】
关于室间质量评价下列说法最正确的是A.
参评实验室检测项目终末质量的综合比较
B.
通过参加室问质评可以对检测系统进行校正
C.
通过参加室间质评达到量值溯源的目的
D.
重视室间质评工作就必须由专人负责完成质评样本的检测
E.
检测室间质评样本时宜先对仪器进行专门保养和校正
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【简答题】中国和巴西联合研制的哪一颗卫星，是我国在卫星研制领域与国外首次合作的成果?
【简答题】satellite 卫星
【单选题】Advertisement: For sinus pain, three out of four hospitals give their patients Novex. So when you want the most effective painkiller for sinus pain, Novex is the one to choose. Which of the following,...
A.
Some competing brands of painkillers are intended to reduce other kinds of pain in addition to sinus pain.
B.
Many hospitals that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.
C.
Many drug manufacturers increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufacturers can afford.
D.
Unlike some competing brands of painkillers, Novex is available from pharmacies without a doctor' s prescription.
E.
In clinical trials Novex has been found more effective than competing brands of painkillers that have been on the market longer than Novex.
【简答题】小卫星DNA(mini-satellite DNA)
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