面垢
参考答案：
面部如蒙油垢。胃热熏蒸，循经上泛于面
（）是品德教育中运用最为广泛的基本方法。
A、榜样示范法
B、说服教育法
C、情感陶冶法
D、锻炼法
At first he refused to admit his guilt but when he was shown the evidence he ______ and confessed (坦白).
A．broke down
B．lay down
C．got down
D．put down
