DirECtions: thErE ArE 10 BlAnks in thE Following pAssAgE. For EACh numBErED BlAnk, thErE ArE 4 ChoiCEs mArkEDA,B,C、AnDD、

thE unitED stAtEs is wEll-known For its nEtwork oF mAjor highwAys DEsignED to hElp A DrivEr gEt From onE plACE to AnothEr in thE shortEst possiBlE timE. {{u}} (51) {{/u}} thEsE wiDE moDErn roADs ArE gEnErAlly smooth AnD wEll mAintAinED, with {{u}} (52) {{/u}} shArp CurvEs AnD mAny strAight sECtions, A DirECt routE is not AlwAys thE most {{u}} (53) {{/u}} onE. lArgE highwAys oFtEn pAss By sCEniC ArEAs AnD intErEsting smAll towns. FurthErmorE, thEsE highwAys gEnErAlly {{u}} (54) {{/u}} lArgE urBAn CEntErs whiCh mEAns thAt thEy BEComE CrowDED with hEAvy trAFFiC During rush hours, {{u}} (55) {{/u}} thE "FAst, DirECt" wAy BEComEs A vEry slow routE. howEvEr, thErE is Almost AlwAys AnothEr routE to tAkE {{u}} (56) {{/u}} you ArE not in A hurry. not FAr From thE {{u}} (57) {{/u}} nEw "supEr highwAys", thErE ArE oFtEn olDEr, lEss hEAvily trAvElED roADs whiCh go through thE CountrysiDE. {{u}} (58) {{/u}} oF thEsE ArE gooD two-lAnE roADs; othErs ArE unEvEn roADs Curling through thE Country. thEsE sEConDAry routEs mAy go up stEEp slopEs, Along high CliFFs, or Down FrightEning hillsiDEs to towns {{u}} (59) {{/u}} in DEEp vAllEys. through thEsE lEss DirECt routEs, longEr AnD slowEr, thEy gEnErAlly go to plACE whErE thE Air is ClEAn AnD thE sCEnEry is BEAutiFul, AnD thE DrivEr mAy hAvE A {{u}} (60) {{/u}} to gEt A FrEsh, ClEAn viEw oF thE worlD、

A．lEAD
B．ConnECt
C．CollECt
D．CommuniCAtE