题目

如果胃发生了病变，首先影响哪种食物成分的消化               【    】 A．蛋白质         B.脂肪           C.维生素          D.糖类 答案：AWhen you finished a piece of writing, check that       that the tenses are consistent and the spelling is correct. A, they are making senses                     B, it makes sense     C, it makes senses                     D, they make sense