[单项选择]某一行业制定了该行业性排放标准，则在执行上行业性排放标准和跨行业综合性排放标准之间的关系( )。
A. 执行上，行业性排放标准等同于跨行业综合性排放标准执行
B. 执行上，跨行业综合性排放标准优先于行业性排放标准执行
C. 执行上，行业性排放标准优先于跨行业综合性排放标准执行
D. 视情况而定

男，35岁。会阴部骑跨伤，受伤后尿道外口滴血，会阴部和阴囊处肿胀、瘀斑及蝶形血肿。

Diet is second only to tobacco as a leading (1) of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease (2) developed countries, a leading researcher said on Tuesday.
Dr. Tim Key, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to (3) , but they know that diet, alcohol and obesity (4) a major role.
"Five percent of cancers could be avoided (5) nobody was obese, " he said.
While tobacco is linked to about 30 (6) of cancer cases, diet is involved in an estimated 25 percent and alcohol (7) about six percent.
Obesity raises the (8) of breast, womb, bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver. Its dangerous
A. on
B. up
C. in
D. down