题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Some of you may play Ant Forest, 1. game on Alipay. Users collect “energy” to make their “trees” grow. When the “energy” 2. (reach) a certain level, some 3.(organize) and companies will plant a real tree in a desert area of China. And now it seems that the nation’s efforts to make a greener world have paid 4..

According to a study 5. (publish) in the journal Nature Sustainability, China and India are 6. (main) responsible for making the Earth greener over the past two decades. The study has found that since 2000 the Earth’s green leaf area has increased by 5 percent, or over 5 million square kilometers, 7. is an area equal to the total area of the Amazon rainforest. China and India account for one 8. (three) of the increased greening, but contain only 9 percent of the planet’s land area covered in vegetation (植被). China was the major contributor, adding 25 percent 9. this increase, while India added 6.8 percent. There is no denying that China is one of the most successful countries in10.(green) the desert.