Unless governments take necessary measures to protect tigers,they may disppear by 2010,the World Wildlife Fund said Thur

Unless governments take necessary measures to protect tigers,they may disppear by 2010,the World Wildlife Fund said Thursday.
　　The conservation(保护) group said tiger numbers have decreased(减少) 95 percent in the past century and only 5000~7200 tigers still remain in the wild-compared with nearly ten times that many at the start of the century.
　　WWF published an update (更新的信息)Feb.11,1999 of their study-Wanted Alive:Tigers in the Wild,marking the end of the Chinese Year of the Tiger.
　　The report states that in spite of the great efforts over the past year,much remains to be done to prevent the tiger from becoming extinct early next century.If governments do not fight against unlawful hunting and get rid of demand for tiger products the tiger will go to extinction,says WWF.
　　"We cannot relax for one moment if we are to make it certain that tigers will still exist in the wild by the next Chinese Year of the Tiger in 2010," said Elizabeth Kemt,species conservation information manager at WWF International and one of the authors of the report.
　　Three of the subspecies of tiger-the Bali,Caspian and Javan tigers are extinct.The South China tiger faces the same end as only 20 or 30 are known to remain in the wild,down from 4000 in 1950s.
1.According to the passage ,in what way can we prevent the tiger from dying out?
A.Governments take necessary measures to protect.
B.Get rid of demand for tiger products.
C.Fight against unlawful hunting.
D.In which year will tiger die out if we don‘t take efficient measures?
A.Next Chinese Year of the Tiger.B.The year 2010.
C.The year 2050 .D.Both A and B.
3.How many tigers remaind in the wild at the beginning of the 20th century？
A.5,000-7,200 B.200-300 C.50,000-72,000 D.4,000