单选题 I think you can take a (n) ______ course to improve your lecturing skills.
【正确答案】 A
【答案解析】intermediate①中间的an intermediate phase中间阶段。②中等程度的；middle中等的，中间的； medium n& a．中间的，中等的，适中的The man is of medium height；mid中间的It was a cold mid winter night．