A. http://www.jspspace.com/jspproduct/jsp50M.jsp B. http://www.hstc.edu.cn/xwzx/xyhd/957816.asp C. http://www.alixi.com/Dev/Web/JSP/jsp1/007111779519.html D. http://www.czcs.org/showNewsDetailServlet?id=14
A. 0.95 B. 1 C. 1.05 D. 1.1
A. 3 B. 5 C. 7 D. 12