. As speakers, we should ease the burden on our audience: never speak fast; speak steadily and clearly, and leave time for our audience to think and（ ）
2020/07
20
15:07
解析: 【解析题】科学研究有两大特点，一是继承性， 二是（ ） 【解析题】闵斯特堡正是基于“视觉滞留”的生理特 […]