“我们难过，是因为我们哭泣”反映了（） 詹姆斯—兰格的外因情绪理论。 坎浓—巴德的丘脑情绪理论。 沙赫特—辛格的激活归因。 阿诺德拉扎鲁斯的认知评价。
下面对于肌肉痉挛（俗称抽筋）的预防和处理明显错误的是（） 冬季注意保暖，夏季注意补充淡盐水。 手指抽筋后，用另一只手拉伸抽筋手指，直至指筋松弛。 发生肌肉痉挛后，牵引痉挛肌肉，使之伸长和松弛。 用力要缓慢持续，适当按摩肌肉。
简述债券的定价原理。
环境生物效应
Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（） Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of master virtual router.。 Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， it will regain the master virtual router role.。 Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of master virtual router.。 Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， it will regain the master virtual router role.。
《先知》一书中一共讲了多少方面的道理？（）
