定量研究
参考答案:
定量研究是基于数字和量表的研究。从某种意义上说,定量研究就是用数字和量表来描述现象。
Tina _____ have known the truth, or she would have told us.
A.mustn't
B.shouldn't
C.can't
D.needn't
患者潮热,热势较高,每于下午3~5时热甚,此种潮热称为()
A.日晡潮热
B.阴虚潮热
C.骨蒸潮热
D.湿温潮热
E.气虚潮热