题目内容：

The world’s wildlife population1. (suffer) a devastating loss of almost three 2.(five)since 1970, says a new report by the Zoology Society of London and the World Wildlife Foundation. According to its findings, animals  3.  (live) in lakes, rivers and wetlands are the biggest victims. The report also suggests that vertebrate(脊椎动物)populations have continued to decline 4.(steady)by around two percent every year.

Obviously, humans know 5.the causes to the changes are, among which human activity and climate change are mainly to 6.(blame)---habitat loss, wildlife trade and pollution, says the report.

Te researchers collected data from7. (govern) statistics, scientific studies and NGO reports, covering 3,700 different species of animals, which represent about six percent of the total number of vertebrates in the world.

The report has also drawn criticism, 8.some scientists arguing that the data on 9.it is based is not wide and representative enough to generate 10. single number for the decline of wildlife worldwide.