速冻蔬菜最终要求的蔬菜中心温度为（）
A.0℃
B.－5℃
C.－18℃
D.－25℃
参考答案：C
The old man who _____ morning exercises over there is Tina's father. [ ]
A. is doing
B. does
C. do
D. has done
少尿是指一昼夜尿量少于
A．50ml
B．lOOml
C．300ml
D．400ml
E．500ml
