小题1:A
小题2:D
小题3:D
小题4:C
小题5:B
小题1:词义理解题，由文句“their own national flowers which say something about their countries’ spirit.”推断可知。
小题2:句意理解题，由文中语句“Flowers have their own language. For example, red roses mean “love” and sunflowers mean “loyalty(忠诚)”.”理解可知。
小题3:句意理解题，由文中语句They couldn’t agree with each other. So it has not been decided yet.理解可知。
小题4:由文中题意可知。
小题5:由文中最后一句“Sand drying is a way. Dry, clean sand is one of the oldest things for drying flowers. And it’s one of the cheapest.”理解可知。