淘米时哪种维生素损失最多？
参考答案：淘米时维生素B1损失最多。
I can see the cat. It's _____ floor. [ ]
A. on a
B. in the
C. at the
D. on the
急性腹膜炎所致呕吐属于
A．神经性呕吐
B．反射性呕吐
C．中枢性呕吐
D．胃肠源性呕吐
E．周围性呕吐
