【简答题】Someone asked me last week, 'In the long run, is technology our saviour or our demise?' I thought it over, and the thing is, we made technology. It is only an expression of our humanity, so its wrong ...
【简答题】试比较下列物质的碱性强弱,列出一个排序并说明理由。 1 氨、 2 乙胺、 3 苯胺、 4 六氢吡啶、 5 吡啶、 6 嘧啶、 7 吡咯 1 NH3、 2H2NCH2CH3 乙胺、 3 4 5 6 7 特别提醒:本作业应在本章结束时完成并提交。 (要求:上传word文档)
【单选题】I planned ________ to see you last week, but I was ill.
【单选题】--- When did you borrow the English book? --- I borrowed it last week. I _________ it for a week.
【多选题】中华人民共和国内地实行(),香港地区实行(),澳门台湾地区实行()。