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Everybodyhatesrats.Butintheearthquakecapitalsoftheworld—JapanLosAngelesTurkey—ratswillsoonbeman’snewbestfriends.Whathappensafteranearthquake?Wesentinrescuedogs.Why?Becausetheycansmellpeople.Dogssav
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更新时间:2024-04-25 01:52:55
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Everybodyhatesrats.Butintheearthquakecapitalsoftheworld—JapanLosAngelesTurkey—ratswillsoonbeman’snewbestfriends.

Whathappensafteranearthquake?Wesentinrescuedogs.Why?Becausetheycansmellpeople.Dogssavelives.Theyhelprescuerstofindlivingpeople.Butdogsarebigandtheycan’tgetintosmallspaces.Sonowanewresearchprojectisusingasmalleranimaltosavelives:therat.

Howdoesitwork?Firsttheratistrainedtosmellpeople.Whenthishappenstherat’sbraingivesasignal(信号).Thisissenttoasmallradioonitsbackandthentherescuersfollowtheradiosignals.Whentherat’sbrainactivityjumpstherescuersknowthatsomeoneisalive.Therathassmelledthatperson.

Althoughtherearealreadyrobotswhichcandothisjobratsarebetter.ChristianLinsteratCornellUniversityNewYorksays“‘Robots’nosesdon’tworkwellwhenthereareothersmellsaround.Ratsaregoodatthat.”Ratscanalsoseeinthedark.Theyarecheaperandquickertotrainthandogsandunlikerobotstheydon’tneedelectricity(电)!

The“ratproject”isnotfinishedbutJulieRyanofInternationalRescueCorpsinScotlandsays“Itwouldbefantastic.Aratcouldgetintospaceswecouldn’tgettoandaratwouldgetoutofitifitwasn’tsafe.”Perhapsforthefirsttimeinhistorypeoplewillbehappytoseearatinabuilding(butonlyafteranearthquakeofcourse).

【小题1】Intheworldearthquakecapitalsratswillbecomeman’sbestfriendsbecausetheycan .

A.taketheplaceofman’srescuejobsB.findthepositionofpeoplealivewhoaretrappedinbuildingsC.serveasfoodforpeoplealivewhoaretrappedinbuildings.D.getintosmallspaces【小题2】Indoingrescuejobs .A.ratssmellbetterthandogsB.dogsdon’tneedtobetrainedtosmellpeopleC.robots’senseofsmellcanbeaffectedbyothersmellsaroundD.ratscanseeinthedarkandsmallerthanrobots【小题3】RatshaveallthefollowingadvantagesEXCEPTthat .A.theyaremorefantasticthanotheranimalsB.theyarelessexpensivet

卢杰持回答:
  【小题1】B【小题2】C【小题3】A【小题4】D解析分析:【小题1】B推理题。根据文章第二段说明老鼠也可以用来解析救援任务,来确定受伤的人的位置等,故B正确。【小题2】C细节题。根据第四段第二...
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