材料一：扎龙湿地位于黑龙江省西部，是典型的内陆湿地。独特的地理位置和典型的湿地生态系统使扎龙成为全球知名的鸟类繁殖和栖息地。右图为扎龙湿地位置示意图。

材料二：下图为东北某地1970～2000年湿地面积、年均温与年降水量的变化统计图

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现代通信技术的发展，拉近了人们的____，增进了人们之间的____，地球成为一个“小小的村落”。

①有多种酶参与

②最适合pH是7

③最适温度是40℃

④50℃时酶逐渐失活

⑤0℃时酶逐渐失活．