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。

Many animals have disappeared during the long history of the earth. Finless Porpoise (江豚) is one of these endangered 1._________ that are dying out. As a student, I am asking you to pay attention 2.________ the situation of Finless Porpoises. Finless porpoises in the Yangtze River are in danger of becoming extinct because they are seriously 3._________ (affect) by human activities. To our disappointment, only about 1,000 are still living at present. We sincerely hope that WWF can play a role in 4.________ (protect) this endangered species. Firstly, we find 5._______ important to get sponsorship(赞助). If the government pays the farmers, they will allow tourists hunt only 6._______ certain number of animals. But more importantly, we need information from experts in WWF to help us better understand the animal. In that case, we can take 7.________ (good) care of them than before. And prizes will be given to the organizations 8._______ can protect them well. What’s more, more workers should 9._______ (employ) to help us. 10._______the task is challenging, we are confident that we will succeed sooner or later.