单项选择题
A.海南B.天津C.上海D.武汉
A.0.3~0.4g/(kg·d)B.0.5g/(kg·d)C.0.6~0.7g/(kg·d)D.0.7~0.8g/(kg·d)
A.陕甘宁B.井冈山C.鄂豫皖D.闽浙赣