题目

reason creative celebrates more than plenty ofStarting from April 5, a two-day live programme of the Forbidden City, also known as the Palace Museum, has received over 34 million views on Xinhuanet.Once the area of emperors, the Forbidden City 【1】its 600thbirthday this year. Built in 1420, the palace recorded lives of important people through different types of treasures and documents. The museum can provide【2】valuable materials for today’s historical research, as well as inspiration (灵感) for literature and entertainment.The Forbidden City is also 【3】in doing business. Over t当验电器带有一定量的电荷后，金属箔张开了一个角度．现用一个带异种电荷的带电体去靠近这个验电器的金属小球，其最终结果是（　　）A．金属箔张角变小B．金属箔张角变大C．金属箔张角变为零D．以上情形都可能发生