中小学英语教师在撰写说课稿时,要优化语言,多使用高大上的专业术语和复合句。()
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连续时间系统中,当信号无失真传输时,系统的冲激响应是冲激函数。
13. Western culture is a harmonious culture, which emphasizes the symmetry and unified costume modeling method.
6. The first one is Opera _______________which means most of them are based on the myth or historical stories.