题目: “五险”是指哪五个社会保险? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0313/25b086d8c1f8d7c75ba9f77fc0f09498.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 I called Mary many times yesterday evening. But I couldn’t get through. Her brother _____ on the phone all the time.A.talkedB.had talkedC.has talkedD.was talking 查看答案
题型:选择题 鉴别下列各组物质,所用的试剂或方法错误的是( )A.CaCO3粉末、Na2CO3粉末(水)B.Na2CO3溶液、NaCl溶液(紫色石蕊试液)C.Na2CO3溶液、KCl溶液(焰色反应)D.NaOH溶液、NaCl溶液(稀盐酸) 查看答案