品茗、营业、表演是()的三种形态。
A. 游艺
B. 文艺
C. 画化
D. 茶艺
奶牛产后恶露排净时间异常的是(2010年真题)
A. 3~5d
B. 6~7d
C. 8~9d
D. 10~12d
E. 20d以上
Emulsion oils and sodium nitrite are both approved additives, but _____ cannot be used if
A. the latter
B. latter
C. former
D. the former
The officer in charge of the engineering ______ the watch to the reliving officer if there
A. shall take over
B. shall not take over
C. shall hand over
D. shall not hand over