Despite the proliferation of other faster modes of transportation, the railroads remain the largest carriers of intercity freight in the United States.
A、schemesB
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Creamoftartar酒石,aweakacid,canbeaddedtoeggwhitestohelpthemfoam泡沫whentheyarebeaten
The controls of most modern airplanes can be operated either manually or automatically.
Urban renewal programs strive to upgrade areas that are becoming slums.
HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?
The first important exposition in the United States was held in Philadelphia in 1876.