水痘的主要病位在()
A.脾胃
B.肺胃
C.肺脾
D.肺卫
E.肝肾
参考答案:C
患者,男,25岁,股骨颈骨折金属内固定后复查,了解骨折对位、对线情况,最佳方法是()
A.X线透视
B.X线摄影
C.CT
D.CT重建
E.MRI
According to behaviourist psychology, learning a language is a process of acquiring a set of appropriate ______ chains, a mechanical process of habit formation.
A. stimulus-response B. question-answerC. requirement-offering D. negative-positive