M公司的销售净利率为10%，总资产周转次数为3次，若权益净利率为45%，则产权比率为()。
A.0.5
B.1
C.0.8
D.1.5
参考答案：A
Questions 11-15 · Look at the charts below. They show company sales. · Which chart does each sentence (11-15) describe · For each sentence, mark one letter (A-E) on your Answer Sheet. · Do not use any letter more than once.
Sales didn’t change from 2006 to 2008.
红灯亮的时间为40秒，黄灯亮的时间为5秒，绿灯亮的时间为45秒，这些灯按绿，黄，红的顺序闪，问5分钟内红灯亮的最长时间是多少
