C

Everybodyhatesrats.Butintheearthquakecapitalsoftheworld-Japan，LosAngeles，Turkey-ratswillsoonbeman'snewbestfriends.

Whathappensafteranearthquake?Wesendinrescue(救援)dogs.Why?Becausetheycansmellpeople.Dogssavelives.Theyhelprescuerstofindlivingpeople.Butdogsarebigandtheycan'tgetintosmallspaces.Sonowanewresearchpro

jectisusingasmalleranimaltosavelives：therat.

Howdoesitwork?First，theratistrainedtosmellpeople.Whenthishappens，therat'sbraingivesasignal(信号).Thisissenttoasmallradioonitsback，andthentherescuersfollowtheradiosignals.Whentherat'sbrainactivityjumps，therescuersknowthatsomeoneisalive.Therathassmelledthatperson.

Althoughtherearealreadyrobotswhichcandothisjob，ratsarebetter.ChristianLinsteratCornellUniversity—NewYorksays，“Robots'nosesdon'tworkwellwhenthereareothersmellsaround.Ratsaregoodatthat.”Ratscanalsoseeinthedark.Theyarecheaperandquickertotrainthandogs，andunlikerobots，theydon'tneedelectricity!

The“ratproject”isnotfinished，butJulieRyanofInternationalRescueCorpsinScotlandsays，“Itwouldbefantastic.Aratcouldgetintospaceswecouldn'tgettoandaratwouldgetoutifitwasn'tsafe.”Perhapsforthefirsttimeinhistory，peoplewillbehappytoseearatinabuilding(butonlyafteranearthquake，ofcourse).

64.Intheworldearthquakecapitals，ratswillbecomeman'sbestfriendsbecausetheycan_________.

A.taketheplaceofman'srescuejobs

B.findthepositionofpeoplealivewhoaretrappedinbuildings

C.serveasfoodforpeoplealivewhoaretrappedinbuildings

D.getintosmallspaces

65.Fromthethirdparagraphweknowtherescuerscanjudgeapersonisaliveby_________.

A.thenoisemadebytherat B.therat'sunusualbehavior

C.thesignalsentbytheradioontherat'sback D.thesmellgivenoffbytheperson

66.Indoingrescuejobs，_________.

A.ratssmellbetterthandogs

B.dogsdon'tneedtobetrainedtosmellpeople

C.robots'senseofsmellcanbeaffectedbyothersmellsaround

D.ratscanseeinthedarkandsmallerthanrobots

67.Ratshaveallthefollowingadvantagesexceptthat_________.

A.theyaremorefantasticthanotheranimals B.theyarelessexpensivetotrainthandogs

C.theydon'tneedelectricity D.theyaresmallandcangetintosmallplaces

D

Wednesday，Octoberfifteenth，isthefirstGlobalHandWashingDay.Activitiesareplannedinmorethantwentycountriestogetmillionsofpeopleinthedevelopingworldtowashtheirhandswithsoap(肥皂).Expertssaypeoplearoundtheworldwashtheirhandsbutveryfewusesoapatso-calledcritical(至关重要的)moments.Theseincludeafterusingthetoilet，aftercleaningababyandbeforetouchingfood.

GlobalHandWashingDayistheideaofthePublic-PrivatePartnershipforHandWashingwithSoap.PartnersincludetheUnitedNationsChildren’sFund,andsoapmakersUnileverandProcterandGamble.Thegoal，theysay，istocreateacultureofhandwashingwithsoap.

Theorganizerssayallsoapsareequallyeffectiveatremovingdisease-causinggerms(病菌).Theysaythecorrectwaytowashhandsistowetyourhandswithasmallamountofwaterandcoverthemwithsoap.Rubitintoallareas，includingunderthefingernails.Then，rinse(用清水冲洗)wellunderrunningwater.Finally，dryyourhandswithacleancloth.

ThePartnershipsayssoapisimportantbecauseitincreasesthetimethatpeoplespendwashing.Soapalsohelpstobreakupthegrease(油脂)anddirtthatholdsmostofthegerms.Anditusuallyleavesapleasantsmell，whichincreasesthepossibilitythatpeoplewillwashagain.Italsosayswashingwithsoapbeforeeatingandafterusingthetoiletcouldsavemorelivesthananyvaccine(疫苗)ormedicine.Whenpeoplegetgermsontheirhands,theycaninfectthemselvesbytouchingtheireyes,noseormouth.Thentheycaninfectothers.