世界上五大公园树:()、()、()、()以及七叶树
参考答案:银杏;悬铃木;欧洲椴;鹅掌秋
--- Are you going to buy the leaflet?
--- Yes. It tells us how to avoid _______ ill while travelling.
A.getting B. to get C. being got D got
马啼莲因()而使其主要观赏部位苞片的颜色变绿。
A.花期水分不足
B.花期光照不足
C.花期肥料过多
D.花期温度过高