美国商务部极力主张美国应该为高技术产业提供特殊支持。它认为。这些产业具有在未来迅速发展的前景，将为许多其他产业提供投入并产生有利于整个经济的技术。而且，美国的一些高技术产业，如飞机工业和微电子工业，面临获得政府支持的国外竞争者的挑战。上面哪个观点可能成为美国采取政策支持这些产业发展的理由? The U.S. Commerce Department has urged that the United States provide special support for its high-technology industries．It argues that these industries have the prospect of rapid future growth，provide inputs to many other industries．and generate technology that benefits the whole economy．Furthermore．some U.S. high-technology industries such as aircraft and microelectronics face challenges by government-supported foreign competitors．Which of these arguments might be valid reasons for the United States to have a policy targeting these industries?