【单选题】Unluckily, when I arrived he, so we only had time for a few words.
【判断题】"I have just arrived by plane,"she said.
【单选题】She told me that her father _____ to the post office when I arrived [ ]
【单选题】下面关于JSON_OBJECTAGG()函数描述正确的是( )。
A.
用于将符合条件的参数字段值做为单个JSON数组返回
B.
第1个参数表示“键”,第2个参数表示“键”对应的值
【简答题】放学别忘了向老师说声再见。 Don’t forget ______ _______ _______ _______ the teacher.
【单选题】下面关于HSS/HLR的描述不正确的是()?
D.
对于HSS应能同时支持3G系统和EPS的鉴权
【简答题】She told me that her father______to the post office when I arrived. A.just went B.has just gone C.had just gone D.had just been going
【简答题】平面任意力系平衡的充要条件为:该力系的 和 同时为零。
【单选题】He arrived just as I was leaving.
【简答题】下面关于JSON_OBJECTAGG()函数描述正确的是( )。A. 用于将符合条件的参数字段值做为单个JSON数组返回 B. 第1个参数表示“键”,第2个参数表示“键”对应的值 C. 参数只能是表的字段 D. 以上说法都不正确