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1、2023-2024重庆市第八中学高考适应性月考(五)英语

C.A travel brochure.D.A biography.DAn experimental cleanup device called RemoveDEBRIS has successfully cast a net around adummy satellite in space,imitating a technique that could one day collect spacebore garbage.The test,which was carried out this week,is widely believed to be the first successfuldemonstration (of space cleanup technology,experts told CNN.And it symbolizes an earlystep toward solving what has already been a critical issue:junk in space.Millions of pieces ofjunk are tuming around in orbit,theresult of 50 years of space travel andfew regulations to keep space clean.At orbital speeds,even a small bit of paint crashing with asatellite can cause critical damage.The RemoveDEBRIS experiment is run by a company and researchers led by the U.K.'sSurrey Space Center and includes Airbus,Airbus-owned Surrey Satellite Technology Ltd.andFrance's ArianeGroup.Guglielmo Aglietti,the director of Surrey Space Center,said that an operational version of theRemoveDEBRIS technology would cast a net that remains fastened to the main satellite so thedebris残渣、废弃物)can be dragged out of orbit.It could target large pieces ofjunk.includingdead satellites up to 10 meters long.There are still enormous barriers to clear before operational cleanup tasks are underway,henoted and the most discouraging is figuring out how to fund such projects.Aglietti,the Surrey professor who helped lead the RemoveDEBRIS project,said "Thechallenge will lie in persuading the relevant authorities to sponsor these tasks."Aglietti said hehopes RemoveDEBRIS will conduct a few cleanup tasks per year,targeting the largest pieces ofjunk in the most crowded orbits32.What is the use of the RemoveDEBRIS satelliteA.Demonstrating space technologyB.Collecting space wastes.C.Imitating a developing technique.D.Solving serious junk problems.33.How does the RemoveDEBRIS satellite workA.By dragging satellites up to 10 meters long.B.By fastening it to the main satellite tightlyC.By throwing a net to take the junk from orbit.第7页共13页