【简答题】He has done a lot of preparation for two weeks .请将此句变为一般疑问句,并就划线部分提问。
【单选题】()指运用已有的科学知识和手段,充分掌握和利用市场调查所得到的资料,并且对影响市场需求的各种因素进行认真的分析和估计,从而对未来潜在市场的需求潜量进行推断和估计。
【单选题】留声机的发明使得音乐得以迅速发展,那么留声机的发明者是( )。
【单选题】()指运用已有的科学知识和手段,充分掌握和利用市场调查所得到的资料,并且对影响市场需求的各种因素进行认真的分析和估计,从而对未来潜在市场的需求潜量进行推断和估计。
【简答题】函数array_key_exists的功能是检查给定的_________ 或_________是否存在数组中。
【简答题】He has done a lot of work in the past two years.
【简答题】Tom Brown is well known in this city. _____, he has been a member of the city council for many years. _____, he has done a lot in promoting general education in the locality. _____, he is a football p...
【简答题】根据句意和音标提示以适当形式填写单词。答案填写到答题纸指定位置。 小题1:He has done a lot of _____________/?ri's?: t??/ on that subject. 小题2:It would be exciting to ___________/?dis'k?v?/ more about the town’s history. 小题3:Gold and sil...
【单选题】情绪情感包括:主观体验、生理唤醒和()三个方面。