玫瑰香酒中的糖来自于()。
A、玫瑰花
B、发酵前添加
C、发酵后添加
D、葡萄果实本身
参考答案:D
Someone is ringing the doorbell. Go and see _____. [ ]
A. who is he
B. who he is
C. who is it
D. who it is
简述胸腔闭式引流拔管指征。