读“沿北纬32º线我国地形剖面图”,回答下列问题。
My birthday is in May. It's in the _____ month of the year.( )
①绳子上系____(A.xì B.jì )着铃铛
②把蝙蝠的耳朵塞____(A.sāi B.sè)上
青少年要自觉履行受教育的义务,这对于民族、国家的意义在于( )