_____ 1.According to the UN’s prediction，the population growth from now to 2050_____ 2.Those countries opposed to the planting and importing of genetically modified plants worry about their safety._____ 3.The boosted of genetically modified crops argue that these altered plants need fewer toxic pesticides._____ 4.The most virus led to the loss of more than half of Africa main food two years ago._____ 5.Biotech can help to improve the farming productivity in some regions._____ 6.The most important factor that leads to hunger in developing countries is poverty, not crops failure._____ 7.The protesters of genetically modified crops mistook conventional plants for genetically modified ones._____ 8.The debate on genetically modified foods is more intense in developing countries with fast-growing and half-starved populations._____ 9.One third of corn planted in America was genetically modified last year._____ 10.Many people believe genetically modified crop can cause environment problems.