综述城市园林绿化生态效益的表现。
参考答案:
①维持碳氧平衡②调节温度,缓解“热岛效应”③调节湿度④净化空气⑤杀死病菌⑥净化水体、土壤⑦通风、防风⑧减低噪音
保护性因素
The Da Vinci Code is _____ that many people go to see it. [ ]
A. too interesting
B. so a interesting film
C. such an interesting film
D. such interesting a film