我的头发长。你的头发短。可以说：

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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。

下列热带作物巴西产量不居世界首位的是（　　）

如图为元素周期表中铈元素的信息，下列有关说法错误的是（　　）