Somepeoplethinktheyhaveananswertotheproblemsofautomobilecrowdingandpollutioninlargecities.Theiransweristhebicycle,or“bike”.

Inagreatmanycities,hundredsofpeopleridebicyclestoworkeveryday.InNewYorkCity,somebikeridershaveevenformedagroupcalledBikeforaBetterCity.Theythinkthatifmorepeoplerodebicyclestoworktherewouldbefewerautomobilesinthedowntownsectionofthecityandthereforelessdirtyairfromcarengines.

Forseveralyearsthisgrouphasbeentryingtogetthecitygovernmenttohelpbicycleriders.Forexample,theywantthecitytopaintspeciallanes-forbicyclesonly-onsomeofthemainstreets,becausewhenbicycleridersmustusethesamelanesascars,theremaybeaccidents.BikeforaBetterCityfeelsthatiftherewerespeciallanes,morepeoplewouldusebikes.

Butnobicyclelaneshavebeenpainedyet.Noteveryonethinksthisisagoodidea.Taxidriversdon’tliketheidea-theysayitwillslowtraffic.Somestoreownersonthemainstreetsdon’tliketheides-theysaythatifthereislesstraffic,theywillhavelessbusiness.Andmostpeoplelivetoofarfromdowntowntotravelbybike.

Thecitygovernmenthasnotyetdecidedwhattodo.Itwantstokeepeveryonehappy.Onweekends,CentralPark-thelargestopenspaceinNewYork-isclosedtocars,andtheroadsmaybeusedbybicyclelanesdowntown.Untilthathappens,thesafestplacetobicyclemaybeinthepark.

21.Tosolvetheproblemsofautomobilecrowdingandpollutioninlargecities,somepeoplesuggestthat______.

A.morebikesbeused

B.agroupcalledBikeridesbeformed

C.speciallanesforbikeridersbepainted

D.mainstreetsbeclosedtocars

22.Theideaofbicyclelanesismostfavoredby______.

A.automobiledriversB.somedowntownstoreowners

C.thecitygovernmentD.somebikeriders

23.Thelastsentence“Untilthathappens,thesafestplacetobicyclemaybeinthepark”meansthat______

A.fornow,itwon’thappeninthepark

B.fornow,itissaferinthepark

C.beforenow,itwassaferinthepark

D.fromnowon,itwillbesaferinthepark

24.AccordingtoBikeforaBetterCity_____

A.morebik