更新时间:2018-09-30 05:06作者:李天扬老师
DavidOi,aresearchentomologistattheDepartmentofAgriculture,toldThe NewYorkTimesin2013,thestrangeideathattheantsareactuallyattractedto theelectricityitselfcan'tberuledout.
ThecrazyantsorRaspberryants-yep,that'sactuallywhattheyare called-arefoundin23Texascounties.Theantshaveverylittlevenom(毒液),but docauseaslightstingwhentheybite.Mostly,though,they'reahazardto electricalequipment.
Theyarearelativelynewspeciesintheregionandlittleisknownabouthow tocontrolorkillthepopulation.And,unfortunately,theredoesn'tseemtobe muchthatcanbedoneaboutthemrightnow.So,forthemoment,thebestadvice isnottostayclosetoantpilesandgroups.andhopethatnonemakeitinside tocrawlaroundtheelectronics.
28.WhatdotheantsdoinTexas?
ABitesomepeople.B.Damagelocalcrops.
C.Destroyappliances.D.Polluteenvironment.
29.Theunderlinedword"nuisance"inParagraph2isclosestinmeaningto "”.
A.storyB.problemC.visitD.failure
30.Whenmeetingwithantpiles,we'dbetter.