For some years after his graduation, he（）some of his classmates, but as times went by, he dropped them one by one ["caught up with","kept in touch with","kept up","made up with"]
屋顶女儿墙的脚线及其转角部位则是红、白、蓝、黄、绿五色布条形成的“幢”，这五色分别寓示火、云、天、土、水，以此表达吉祥的愿望。
凡是动火的设备或管道应进行（）作业。 ["消防","通入氧气","清洗置换"]
通过风险矩阵分析，识别出高风险和管理薄弱的业务后，需要形成（） ["机构概览","风险管理现状分析","风险评估报告","处罚决定"]
撒拉族舞蹈，如骆驼舞、阿里玛和梿枷舞等。
100克虾皮和100克芝麻酱哪个含钙量高？
