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【单选题】
几种试验联合应用时，提高特异度，降低了敏感度的方法是A.
并联试验
B.
串联试验
C.
ROC 曲线
D.
并联试验和串联试验
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【单选题】It was playing computer games that cost the boy plenty of time that he _____have spent doing his lessons
A.
might
B.
must
C.
could
D.
ought to
【简答题】Now fill in the blanks with the following participial modifiers. 1) People say we have a cold and selfish society, but , I’ve seen too much love and kindness to believe that’s entirely true. 2) , the ...
【单选题】( ) 周某,女,58岁,患慢性心功能不全,医生处方中选用地高辛每日0.25mg口服,并嘱其连续用药期间须选择同一药厂、同一剂型,最好为同一批号的产品,这是因为
A.
生物利用度相对稳定，可确保疗效，又不致中毒
B.
更换其他药厂的产品无效
C.
利益驱动有关
D.
医生用药习惯
【简答题】There are plenty of companies that are eager to _______ young athletes if they show enough promise. 2. To succeed in life it is not sufficient only to have talent, capacity and training, one must ...
【单选题】He must have plenty of money if he can take losing $500 so ________.
A.
seriously
B.
severely
C.
lightly
D.
literally
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