Barium X-ray examination is the main examination method for gastrointestinal diseases， which can better show the location， outline， mucosal folds and internal structure of gastrointestinal tumors. （）

Barium X-ray examination is the main examination method for gastrointestinal diseases， which can better show the location， outline， mucosal folds and internal structure of gastrointestinal tumors. （）
A.True
B.False
正确答案：False