（）是降低炼焦耗热量的有效途径。
参考答案：减少装炉煤水分
The lost watch was found in David’s bag, and as a result, he was _____ with theft.
A．accused
B．charged
C．scolded
D．blamed
把命题“对顶角相等”改写成“如果……，那么……”的形式:____________.
