【简答题】Nowadays , the Internet is usually one of the first places a lonely heart turns to as the following story shows. A 63-year-old retired woman in Zhengzhou , made headlines two days after she posted an ...
【判断题】In history, the northern peoples were mostly engaged in farming.
【判断题】在海运提单上承运人或代理人必须在两处签署。一是在提单的时间和地点的签署栏,二是在“已装船”字样处。因为,前者仅表明收到货物的时间和地点,而后者则表明装船的时间。所以,两者缺一不可。( )
【判断题】In history, the northern peoples were mostly engaged in farming.
【判断题】The northern peoples were mostly engaged in farming in history.
【多选题】下列物质的分子结构中,存在着p-π共轭效应的是
【单选题】She sobbed ___________, and her thin body was shaken.
【单选题】下列物质的分子结构中,存在着p-π共轭效应的是( )
【单选题】汽车故障诊断仪读取的发动机系统数据流中,冻结帧数据指的是: