隋朝大运河图

如图所示，直线A为电源的U—I图线，直线B为电阻R的U—I图线，用该电源和电阻组成闭合电路时，电源的输出功率和电路的总功率分别是（    ）

①都是亚洲文明古国

②文明的产生都与大河流域相关

③都创立有本民族的宗教

④古代文明都从未中断地继承下来

    Most English people have three names: a first name, a middle name and a family name. For example, my full name is Ann Allan Green. Green is my family name. Ann and Allan are my given names. People don't use their middle names very much.So we can say Ann Green. We can say Miss Green or Mrs. Green. But we can't say Miss Ann or Mrs. Ann. It's different from Chinese names. In China, the first name is the family name and the last name is the given name.

一 I like the smell in the air-newly-cut grass and sweet flowers.

一           . It smells so nice.