第16题: [单项选择]我国公安机关对危害国家安全的敌对势力、敌对分子和严重危害社会治安秩序的犯罪分子进行镇压、制裁、改造和监督的社会效能是( )。 A. 文化职能 B. 经济职能 C. 民主职能 D. 专政职能 参考答案:D 答案解析:[解析] 公安机关的专政职能是指公安机关在共产党的领导下,团结和依靠广大人民群众,依照国家宪法和法律,对危害国家安全的敌对势力、敌对分子和严重危害社会治安秩序的犯罪分子进行镇压、制裁、改造和监督,以巩
第27题: [单项选择]Questions 19 to 22 are based on the conversation yon have just heard. A. You can grow vegetables vertically. B. You can raise plants in a confined area. C. You can plant a wide variety of plants together. D. You can enjoy the beautiful scenery. 参考答案:B 答案解析:[听力原文] What is the main benefit of developing a square-foot garden