受到挫折之后会变得不友好，具有攻击性，这种现象属于多拉德所说的（）
A、破坏
B、消极
C、反生产行为
D、攻击
参考答案：D
He ______ in Xinxiang for five years when I heard his news.[ ]
A. has lived
B. had lived
C. is living
D. has been lived
速蒸熟处理法是指利用饱和蒸汽在较短的时间内使食物成熟的方法。( )
