补全图示的三视图。
参考答案:
三视图如图所示。
Such a grammar mistake is _____ among the beginners of English study. [ ]
A. regular
B. ordinary
C. general
D. common
社会主义的医德关系应是:()
A.谋生协作型
B.赐舍恩惠型
C.友好合作型
D.排斥对立型
E.志同协调型