【判断题】棕榈科植物为常绿乔木或灌木,茎通常不分枝,树干常具宿存叶基或环状叶痕。()
【简答题】Many people consider their pets members of the family and are very sad when they die, but what if you could clone your dog, cat or bird? A scientist in New Orleans, who has proved his ability to clone...
【判断题】棕榈科植物为常绿乔木或灌木,茎通常不分枝,树干常具宿存叶基或环状叶痕。
【判断题】发展社会主义先进文化,必须弘扬民族精神。