利辛高级中学2023~2024学年度第一学期高三12月教学质业检测(243391Z)英语试题

利辛高级中学2023~2024学年度第一学期高三12月教学质业检测(243391Z)英语试题正在持续更新，目前2024-2025英语周报答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

30.What ismanygtowards svnghedges?C.Humble.D.Concerned.A Indifferent.B.Puzzled.31.What is the best title for the text?A.Hedges:Ancient ResourcesB.Hedges:Official RecommendationsCFelping Hedges:Bringing Benefits to the EnvironmentD.Researching Hedges:Originating from Farmers'RequestDMeteorites (can offer clues about what the early solar system was like.But findingthem is far from difficult.Now,some scientists are turning to drones()and machinelearning to help spot freshly fallen meteorites much more efficiently."A team of six people ona meteorite-hunting expedition can'search about 200,000 square meters per day,"says SeamusAnderson,a planetary scientist in Australia.Around 2016,Anderson began toying with the concept of using drones to take pictures ofthe ground to look for meteorites.That idea blossomed into a Ph.D.project.In 2022,he andhis colleagues reported their first successful recovery of a meteorite spotted with a drone.They've.since found four more meteorites at a different site.Drone-based searches are muchfaster than the standard search way."You're going from about 300 days of human effort downto about a dozen or so,"he says.Anderson and his workmates have used drones to search for meteorites in remote parts ofWestern Australia and South Australia.The team is tipped off about a fall site by networksoground-based cameras that track meteoroids flashing through the Earth's atmosphere.Theresearchers have to do a series of fun but diffidult work before the hunt.They pack a fourwheel drive vehicle with drone arid computer equipment,battery charging stationsgenerators,fuel,food,camping equipment,tables,chairs and much more.The drive to thfall site can take more than a day,often on rough or nonexistent roads.Anderson says,"Yohope you don't pop a tire.After arriving,the team flies its primary drone at an altitude of about 20 meters.Icamera takes an image of the ground once every second,and the scientists download the daevery 40 minutes or so when the drone lands to receive fresh batteries.A typical day of flyican net over 10,000 images,which are then divided digitally into 100 million or so smallsections.Those"tiles",each 2 meters on a side,are fed into a machine learning algorithm()that has been trained to recognize meteorites based on images of real land rocks which:spray-painted black.32.Why do the scientists study meteorites'A.To spot the planetary course.B.To promote machine learning.C.To test the functions of drones.【高三英语第6页（共10页）】