锉削时，在锉齿面上涂上一层粉笔末，以防锉削屑滞塞在锉齿缝里。( )
参考答案：对
八路军建立的第一个敌后抗日根据地是：（）
A、晋察冀抗日根据地
B、晋绥抗日根据地
C、山东抗日根据地
D、晋冀抗日根据地
—Do you regret spending 500 dollars on the overcoat?
—No,I would have paid _________ if the shop owner had insisted.
A．twice as much
B．twice as many
C．much as twice
D．many as twice
