[解析]
(1)B 细节理解题.根据第二段中的He says Americans prefer the cars whose colors do not show dirt clearly.In this way,the owners can wash their cars less to save money可知,美国人喜欢买耐脏的车是为了省钱.结合选项,故选B.
(2)A.推理判断题.根据第三段中的He says white cars are usually sold at a better price than cars of other colors可知,白色的车卖价更高.根据And they absorb less energy,which means temperatures inside them are lower in warmer areas可知,白色的车吸热少.根据…there is a lower risk of car accidents during the day for white cars compared with darker ones可知,白色的车更安全.文中没有提到白色的车更好看,故答案选A.
(3)C.细节理解题.根据第三段的最后一句In China,many buyers say white makes a small car look bigger可知,很多中国人认为白色的车看起来比实际要大.结合选项,故选C.
(4)D.推理判断题.根据倒数第二段"Green cars have become less popular," Dan Benton says. "In the mid 1990s,green was the most popular color in North America.But today,green cars are hard to find."可以推知,北美人现在最不喜欢的车应该是绿色的车.结合选项,故选D.