A:Na+<Mg2+<Al3+<O2﹣
B:S2﹣>Cl﹣>Na+>Al3+
C:Na<Mg<Al<S
D:Ca<Rb<K<Na
— Who will go to the airport to meet Mary?
— I will. I ________ her several times. I can find her easily.
已知:△ABC内接于⊙O,连接AO并延长交BC于点D.
暑假期间,家住北京的小明和网友珍妮在网上聊天,珍妮告诉小明,此时,她们那里天气比较寒冷,学校已放寒假.据此判断珍妮可能生活在下列哪幅图示所代表的国家( )