(练习)unit5 微阶段刷题过关卷(十)-【提分教练】2022-2023学年新教材高中英语选择性必修第二册(外研版2019)

微阶段刷题过关卷（十） (时间：70分钟　分值：85分) Unit 5　Developing ideas & Presenting ideas 第Ⅰ卷(满分25分) Ⅰ. 阅读理解(共4小题；每小题2.5分，满分10分) War can be deadly for wildlife, too. A new study reports that war is the biggest threat to Africa's elephants, rhinoceroses (犀牛), and other animals. Researchers examined how years of conflicts in Africa have affected populations of large animals. “More than 70 percent of Africa's protected wildlife areas have been within a war zone at some point in the last 70 years. The more frequent the fighting, the greater the drop in animal populations，” said an ecologist at Yale University. He was the lead author of the study, which was published on Wednesday in the journal Nature. “It takes very little conflict, as much as one conflict in about 20 years, for the average wildlife population to be declining，” he said. “Areas with frequent fighting — but not necessarily the bloodiest fighting — lose 35 percent of their large animal populations during each year of war，” he said. “Some animals get killed by weapons of war. Yet, many also die because of changes in social and economic conditions in an area as a result of war，” said an ecologist at Princeton University and the study's co­author. “People in and around war zones are poor and hungry. So they may begin to illegally hunt animals for valuable tusks or hunt protected animals to eat，” he said. “And during wartime, animal conservation programmes do not have as much money or power to protect wildlife.” The new study examined the entire African continent over 65 years. The researchers looked at 10 different factors that could change population numbers. They included war, drought, animal size, protected areas and human population density. The number of wars had the biggest effect on wildlife population. The intensity of the wars — measured in the number of human deaths — had the least effect on animals. 1. Which is the most dangerous to Africa's animals? A. Hunting. B. Wars. C. Drought. D. Economy. B　细节理解题。根据第一段第一、