题目: 周恩来曾指出:“国家安危,公安系于一半。” ( ) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0413/34ab9646dc082f0e5485ec86e977c481.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 A lot of air pollution by ordinary people, not only by big factories. [ ]A. is causing B. caused C. is caused 查看答案