根据麦汁浓度、酒精含量（质量分数）不同，（）为中浓度啤酒。
A.5～6度
B.7～8度
C.11～12度
D.14～20度
参考答案：C
-I was born May 14. What about you?
-I was born in July.
A．at
B．in
C．on
D．for
热修包应设作业防护屏；两罐位之间净空间距，应不小于（）。
