题目

Well­paid professionals like lawyers are joining the unemployment rolls in New York City, as the effects of the financial crisis have spread ________ Wall Street. A. behind  B. below  C. beyond  D. with   答案：C计算|2﹣|+|4﹣|的值是（　　）A. ﹣2 B. 2 C. 2﹣6 D. 6﹣2