【简答题】According to Ekman, the furrowed nose most probably means ______.
【单选题】He () his eyebrows proudly.
【简答题】He raised his eyebrows and stuck his head forward and ________ it in a single nod, a gesture boys used then for O.K. when they were pleased. A) shrugged B) tugged C) jerked D) twisted
【判断题】Furrowed eyebrows may show disagreement or annoyance.
【简答题】拉伸实验中 , 试样所受的力为 ( ) A 、冲击 B 、多次冲击 C 、交变载荷 D 、静态力