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1、炎德英才雅礼中学2024高三月考四英语
2、炎德英才大联考雅礼中学2024高三月考试卷四

estimated to have fallen by at least 71 percent,largely due to overfishing.A reduction in tiger sharks meansmore seagrass consumed by herbivores()and less carbon stored in sea vegetation.This raised thequestion:What if they were absent from the Shark Bay -would the seagrass-dominated ecosystemsurvive?To find out,researchers led by Rob Nowicki of Florida International University,spent time in EasternAustralia,where shark numbers were lower and sea cows ate seagrass largely undisturbed."Whenuncontrolled,sea cows can rapidly destroy wide areas of seagrass,"said Nowicki.Those findings emphasized that tiger sharks were playing an important role in preventing thereduction of seagrass in Shark Bay.If their populations continue to decline,the resilience of carbon-richocean ecosystems will likely decrease.When it comes to stimulating shark numbers,there have been movements toward more sustainablefishing,but a large percentage of the industry have not changed their methods,which is a reason why thepopulation of many marine top predators((捕食者)continues to decline.Aside from supporting sustainable fishing,Nowicki said the only way to truly protect marine life is toreduce our global greenhouse gas emissions."Ultimately,if we are going to protect our ecosystems in thecenturies to come,we are going to need to solve climate change while undertaking species protection at thesame time."32.Why are tiger sharks vital to the marine ecosystemA.They feed on various sea animals.B.They can store large amounts of CO2.C.They can prevent the loss of seagrass.D.They influence marine species distribution.33.What did Rob Nowicki's team want to find out in Eastern Australia?A.How sea cows destroy the seagrass community.B.How shark population influences the ocean ecosystem.C.What was contributing to the declining number of tiger sharks.D.What to do to recover the seagrass-dominated ecosystem.34.What is the main reason for the population reduction of many top predators in marine ecosystems?A.Climate change.B.Water pollution.C.Loss of seagrass.D.Unsustainable fishing approaches.35.What's the main idea of the text?A.We should protect our environment.B.The number of tiger sharks is decreasingC.Climate change causes the loss of seagrass.D.Tiger sharks are vital to the health of the marine ecosystem第三节（共5小题；每小题2.5分，满分12.5分）根据短文内容，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。You've probably heard countless times how exercise is "good for you.But did you know that it canimprove your mood too?36.Exercising regularly can help prevent weight gain,type 2 diabetes,heart disease,and high bloodpressure.Exercises like jumping or lifting weights can help keep your bones strong.Also,when you高二英语学科试题第6页（共10页)