四级That is part of the technique of teaching, which demands that every now and then a teacher should be able to put on an act to enliven (使生动) a lesson, correct a fault, or award praise.
这是教学技巧的一部分,要求老师时不时地表演一个活跃的动作(使生动) 教训、纠正错误或给予表扬。
2003年6月大学英语四级(CET-4)真题
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