如图：AB∥CD，直线MN与AB交于E，过点E作直线HE⊥MN，∠1=130°，则∠2等于（    ）

如图：

阅读下面的古诗。
                                                                                                                                                  画眉鸟
                                                                                                                                                  欧阳修
                                                                                                                         百啭千声随意移，山花红紫树高低。
                                                                                                                         始知锁向金笼听，不及林间自在啼。

如图为神经元结构模式图，神经冲动沿神经元传导的方向正确的是（    ）