()具有简化和纯化作用
A.文献研究法
B.测量与观察研究法
C.调查研究法
D.实验研究法
参考答案:D
Jane’s pale face suggested that she______ ill, and her parents suggested that she medical examination.
A.be; should have
B.was; have
C.should be; have
D.was; has
痰浊未化,正气已伤者,可见()
A.花剥而兼腻苔
B.黄腻苔
C.薄白苔
D.黑而燥裂苔
E.黑而滑润苔