试题习题、尽在百度仔细审题、认真作答Task1:阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项
(2015·安徽,D)Thereareanextremelylargenumberofantsworldwide
Eachindividual(个体的)anthardlyweighsanything,butputtogethertheyweighroughlythesameasallofmankind
Theyalsolivenearlyeverywhere,exceptonfrozenmountaintopsandaroundthepoles
Foranimalstheirsize,antshavebeenastonishinglysuccessful,largelyduetotheirwonderfulsocialbehavior
Incolonies(群体)thatrangeinsizefromafewhundredtotensofmillions,theyorganizetheirliveswithacleardivisionoflabor
Evenmoreamazingishowtheyachievethisleveloforganization
Whereweusesoundandsighttocommunicate,antsdependprimarilyonpheromones(外激素),chemicalssentoutbyindividualsandsmelledortastedbyfellowmembersoftheircolony
Whenanantfindsfood,itproducesapheromonethatwillleadothersstraighttowherethefoodis
Whenanindividualantcome