、完形填空（本题有15小题，每小题1分, 满分15分） 13 countries had a big meeting in St Petersburg, Russia from November 21 to 24, 2014. The meeting was about the tiger. It is one of the animals in .One hundred years , there were about 100,000 tigers in the world. But today scientists are that the number of the tigers around the world may be3200. Why has the number fallen so? The first reason is that tigers are meat-eating animals. They need a lot of land to find food, but there is less and less land for tigers to. Also they live in the forests and people have many trees there. The third reason is that people them to use their skins for clothes, and their bodies traditional medicine. They think it can make them . But now people have realized(认识到) this and are doing. At the meeting they to spend more money on protecting them. China is one of the 13 countries where tigers live. There are about 50 wild tigers in China. They are in southwest and northeast China. The Chinese government is working hard to tigers. There is still a long way to go.