通常能引起爆炸品爆炸的外界作用有热、机械撞击、摩擦、冲击波、爆轰波、光、电等。
参考答案:对
—May I listen to the music here, Mr. White?
—Sorry , you'd better ____ it like that.[ ]
A. not to do
B. not do
C. don't do
D. not do so
成瘾的赌博行为也是一种强迫症状。