题目

English is a very interesting language. It has borrowed words from many other languages. Immigrants (移民) coming into the United States have contributed many words to the language, which have kept their original pronunciation. “Coolie” and “kowtow” were taken from the Chinese language, “kamikaze” from the Japanese, “shampoo” from India, “blitz” from German, “amigo” and “Los Angeles” from Spanish and so on.Many students have studied English for years, some as many as eight. However, some students still have difficulty in speaking fluent English. Some know many wor绍兴是著名的桥乡，如图，圆拱桥的拱顶到水面的距离CD为8m，桥拱半径OC为5m，则水面宽AB为（ ）A. 4m B. 5m C. 6m D. 8m