烟叶在烘烤中,若点火后(),易导致底棚烟叶烤青。
A.升温过快
B.升温过慢
C.湿度过大
D.排湿不够
参考答案:A
There was a man crying over there.He _______ himself.
A.could hurt
B.might hurt
C.must have hurt
D.might have hurt
常规性决策的特点是()
A、重复性
B、大量性
C、随机性
D、定型性
E、标准性