函数xsinx的不定积分计算应该运用分部积分法。
参考答案：对
Although _____ my opinion, the old professor didn't come up with his own. [ ]
A. against
B. on
C. for
D. in
常伴有神经、血管、肌肉等深部组织损伤的是（）
A.强碱烧伤（不包括生石灰）
B.电弧烧伤
C.电接触伤
D.生石灰烧伤
E.硫酸烧伤
