完形填空TheUnitedStatesiswellknownfor

完形填空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.1these wide modern roads are generally 2and well maintained, with 3 sharp curves and many straight 4,a direct route is not always the most 5 one. Large highways often pass 6scenic areas and interesting small towns. Furthermore, these highways generally 7 large urban centers which means that they bee crowded with 8 traffic during rush hours,9the “fast, direct” way bees a very slow route. However, there is 10always another route to take 11 you are not in a hurry. Not far from the 12 new “superhighways”,there are often older,13 heavily traveled roads which go through the countryside.14of these are good two lane roads; others are uneven roads 15 through the country. These secondary routes may go up steep slopes, along hilly16or down frightening hillsides to towns 17 in deep valleys. Though these are less direct routes, longer and slower, they generally go to places18the air is clear and the scenery is beautiful, and the driver may have a 19 to get a fresh, clean 20 of the world.1.A.AlthoughB.SinceC.BecauseD.Therefore2.A.roughB.splendidC.smoothD.plicated3.A.littleB.fewC.muchD.many4.A.selectionsB.separationsC.divisionsD.sections5.A.terribleB.PossibleC.enjoyableD.reasonable6.A.toB.IntoC.overD.by7.A.leadB.connectC.collectD.provide8.A.largeB.fastC.lightD.heavy9.A.whenB.forC.butD.that10.A.yetB.stillC.almostD.quite11.A.unlessB.ifC.asD.since12.A.relativelyB.regularlyC.reasonablyD.respectively13.A.andB.LessC.moreD.or14.A.AllB.SeveralC.LotsD.Some15.A.drivingB.crossingC.curvingD.traveling16.A.rocksB.cliffsC.roadsD.paths17.A.lyingB.layingC.laidD.lied18.A.thereB.whenC.whichD.where19.A.spaceB.periodC.chanceD.spot20.A.viewB.varietyC.visitD.Virtue