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2.Wl'at小e1pIr"flhr"atudy led by（hrist TheA.To save animna nnd plnnts apeeies.B.To warn us of the dying out of spreies.C.To call on peopl to control greeuhouse gases.D.To study the effeet of greenhouse guses on the atmosphere.30.Why are species in (lnt nteas les likely to survive thun those in mountainous areas?A.The Earth is gelting warmer.B.More species are disappearing.C.They have to move very loug distunces.D.They can move to high attitude to get cooler.31.What can be the best title of this passnge?A.The survival of species on the EarthB.Disappearing of animals in the worldC.Greenhouse effect and global warmingD.A frightening discovery on global warmingDFacial recognition cameras arc cverywhere,including in your smartphone.Many pcoplerely on this technology to unlock their phones,open doors or make quick payments,but eve-ryone is wearing mask.What a hassle!Now,tech companies have updated their software.Facial recognition technology can nowidentify pcople even if they are wearing a mask.Bcijing-based tech company Hanwang has announced a software which can correctly rec-ognize 95 percent of people wenring masks,Engincering &Technology (E&.T)reported.Whnt's the secret?It's all about your cyes.Marios Savvides,a professor nt Carnegic Mellon University,US,studies facial recogni-tion technology."As we get older,"he snid,"our [aces change shape,but not the area aroundour cyes.It stays the samne-even if we put on wcight.Another company has also bcen working on this kind of software.Tech5 has AI thatmcasures the shape of your face.It also scans your iris (the colored part of your cyes).Tech5hopes to ignore all of the Ince below the nose.Fncinl recognition softwnre is about more than just unlocking your phone.It's about pub-lic snfety.Touchless verification (has become extremely important due to theCOVID)-19.Morc than that,fncinl recognition can be used to fight crime ()"It can deteeterimc suspects,"snid Hunng Lci,Hlanwnng's CEO.Hanwang's technology is used by policein high-sccurity scttings.This menns places like government buildings,subwny stations andnirports.Hung admits one big weakness of this new technology:It fails when pcople wear【(九校}联烤半期彬高一英语试港第6顶（共10）】◆23-89A·