TOKYOJAPAN--Whatdoyoudowhenyouseeacockroach(蟑螂）？Doyouhititwithanewspaper?Doyousteponit?

WhenresearchersatTokyoUniversityseeacockroachtheytaketheremotecontrolandmakethecockroachturnaroundrunleftorrightorgoforward.Thesescientistsarechangingthecockroachesintorobots.Eachcockroachhasaverysmallpackthathasinitamicroprocessor(微处理器）.Thenresearcherscansendsignalsfromtheremotecontroltothepack.Thesignalscontrolthemovementsofthecockroaches.

Whydoesanyonewanttocontrolacockroach?“Insectscandomanythingsthatpeoplecan’t”saysIsaoShimoyamaheadofrobotresearchatTokyoUniversity.Inafewyearshesaystheserobotinsectswillcarryverysmallcameras.Theywillbeabletomovethroughearthquakerubble(瓦砾）tolookforpeopleormoveunderdoorstofindinformationaboutsomeone.

ThismayseemstrangebuttheJapanesegovernmentthinkstheresearchisveryimportant.Thegovernmentisgivingthescientists$5millionforthisresearch.

Firsttheresearchersbreed(培育)hundredsofcockroaches.TheyuseonlytheAmericancockroachbecauseitisbiggerandstrongerthanothercockroaches.Thentheychoosethebestcockroachesandremovetheirwingsandantennae(触须）.Theyputsmallpackswheretheantennaewere.Thepacksweighaboutthreegramsorabouttwotimestheweightofthecockroachesthemselves.“Cockroachesareverystrong”saysRalphHolzerwhoisaresearcheratTokyoUniversity.“Theycanlift20timestheirownweight.”

Witharemotecontrolthescientistssendsignalstothepacks.Whenacockroachgetsthesignalitmoves.Theproblemisthatthecockroachesdon’talwaysmoveintherightdirection.

【小题1】Thescientistsarechangingthecockroachesintorobotsbecause______.

A．theywantcockroachestodothingspeoplecan’tinthefutureB．theywanttocontrolthemovementsofthecockroachesC．theywantcockroachestotakephotosoftheearthquakesD．theywanttosendsignalstothepacksonthecockroaches【小题2】Whatcancockroachesdotohelppeople?A．Theycanlift20timestheirownweight.B．Theycanhelppeoplet