MillionsofAmericankidscomehometoorleaveanemptyhouseeveryday.Howeverparentsareincreasinglyusinganexistingtechnology—homesecurity（安全）systems—tokeepaneyeontheir“home-alone”children.Intheearlydaysofhomesecuritythesystemswerebasicallydesignedjusttokeepthebadguysout.Nowmanyparentsarealsousingthemtomaketheirchildrensafewhentheyareathomealone.Belowaresomesimplerulesforadultstoteachtheirchildren:

★Everychildshouldmemorizehisorherownfullnameandaddressandhomeworkandcellphonenumbersofeachparent.Alsokeepthisinformationpostednexttothephoneathome.Ifyourchildistooyoungtomemorizetheinformationheorshemaybetooyoungtobehomealone—foranytime.

★Teachyourchildtoobservethingsaroundhimorherwhenheorshereturnstothehouse.Ifadoororwindowisslightlyopenthechildhasanyreasontosuspect(怀疑)someonehasbeeninthehousethatshouldn’tbehavehimorhercallyouthenwaitatasafehouseaneighboroffers.

★Warnyourchildnevertoanswerthedoorbellortelephonewhentheyarehomealone.Besidessetarulethatheorshemustneverplayoutsidethehousewhennooneelseisathome.

★Besureheorsheknowshowtodisarm(解除)andarmyourhomesecuritysystem.Programyourcontrolpanel(控制板)togiveyouamessagewhenyourchildentersorleavesthehouseandarmsordisarmsthesystem.Ifyourchildforgetstorearmthesystemyoucancallhimorherwithapersonalreminder.

Tolearnmoreabouthomesecuritysystemsthatcanhelpparentsprotecttheir“home-alone”childrenvisitwww.ProtectAmerica.com.

60. Accordingtothepassagehomesecuritysystems_____.

A.canhelpchildrenallthetime

B.arenowusedforprotectingthechildren

C.werefirstdesignedtokeepkidssafeathome

D.aredevelopedtospareparentsmoretimefortheirwork

61. Home-alonechildrenareadvisedto_____.

A.fightbravelywithbadguys

B.memorizenumberstheysee

C.callthepolicewhentheyarehomealone

D.paymuchattentionwhengettinghomealone

62. WhichofthefollowingisTRUEaccordingtothepassage?

A.Parentsaretakinglesscareoftheirchildren.

B.