农业技术推广具有催化和（）两个基本职能。
A.传达
B.教育
C.反馈
D.示范
参考答案：C
She seems to ____ languages-whatever language she learns, she learns it well. [ ]
A. take an interest in
B. have a gift for
C. take advantage of
D. play a role in
在“医诚艺也，方诚善也”中，“艺”之义为（）
A.艺术
B.技能
C.才华
D.技能高超
