题目

阅读下面材料，在空白处填入适当内容（不多于3个词汇）或括号中词汇的正确形式。The amount and brightness of light from towns and cities around the world is at such a high level that it is reducing the darkness of night. Once upon a time, when night fell, we【1】(leave) in darkness. Things are different today. A study【2】(publish) in the journal Science Advances reports that artificial light at night is increasing【3】(rapid) in most countries worldwide. Scientists say it grew by 2.2 percent a year【4】2012 and 2016. The overuse of artificial light at n下列图形中既是轴对称图形，又是中心对称图形的是（　　）A. B. C. D.