[多项选择]供用电合同的内容有（）。
A. 供电方式、供电质量、供电时间
B. 用电容量、用电地址、用电性质
C. 计量方式、电费电价结算方式
D. 供用电设施维护责任的划分
E. 供用电量

Gallery News
New Picture
The Gallery now has a fine still life by the Dutch 18th century painter Jan van Os. This large picture (89.1 cm×71 cm) of flowers and fruit is painted in light bright colors on wood. It is one of the first pictures of this type in the Gallery. The picture is signed and dated 1777 and 1778. It is unusual for a picture like this robe dated in two years: The artist waited for particular flowers to come out in their different seasons in order to paint them. This picture was given to the Gallery by Miss Violet Churchman in memory of her sister Ida Nancy. It is now on show in Room 25.
Special Exhibition
The exhibition "Painting in Spain During the Late 18th Century" opened in the Sunley Room on 15th March. Recently the Gallery has bought works by three Spanish painters of this period--Paret, Melendez and Francisco Bayeu, who are the focus of the exhibition. These three artists are joined by Francisco’
A. A painting done in bright colors.
B. An unusual picture of a country scene.
C. A painting of Unmoving Objects.
D. A large picture shown in a public place.

北京奥运期间，“鸟巢一代”受到国内外媒体的积极评价。“鸟巢一代”是指那些普遍接受这高等教育、擅长用英语与外宾对话、富有爱国心的年轻人。他们成长于改革开放后，比其父辈国际化，许多人成为奥运会志愿者。下面说法正确的是（）
①“鸟巢一代”的形成与其所处文化环境有着密切的关系
②“鸟巢一代”应自觉成为新时期民族精神的传播者和弘扬者
③“鸟巢一代”的志愿行动完全是为了充实自己
④“鸟巢一代”的志愿行动只展示了他们自己的精神风貌