若 $2x-5y-3=0$ ，则 ${\text{4}}^x÷{32}^y=$ ____．

—Not yet. Tom _____it.

从南极到北极，纬度变化规律是（    ）

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                                                                                                                                  春山夜月
                                                                                                                                  唐·于良史
                                                                                                                 春山多胜事，赏玩夜忘归。
                                                                                                                 掬水月在手，弄花香满衣。
                                                                                                                 兴来无远近，欲去惜芳菲。
                                                                                                                 南望鸣钟处，楼台深翠微。