1袋500g的全脂奶粉，配成鲜奶应加水（）
A.500ml
B.1500ml
C.2500ml
D.4000ml
E.5000ml
参考答案：D
—Where is the shooting centre?
—It is about 50 kilometres ______ the city of Beijing.
A．in south of
B．south of
C．the south of
D．southern of
怀孕一月不知其已受孕者称（）
A.暗产
B.半产
C.二者均是
D.二者均不是
