标签：speakers would choose to refer back to the lead-in part. What are the benefit(s) of doing that?”;

中国大学MOOC:”Usually in the ending part of a speech, speakers would choose to refer back to the lead-in part. What are the benefit(s) of doing that?”;

2020年7月17日

解析: 【解析题】下列各组分中，可自由扩散通过细胞质膜的一组物质是（???? ）。【解析题】秦汉时，陕北的戎 […]...