题目

When American soldiers return home from war with disabilities, they often suffer twice — first from their combat injuries, next from the humiliation (羞辱) of government dependency. Wounded veterans (老兵) learn they have two basic choices: They can receive almost $3,000 a month in disability benefits along with medical care and access to other various welfare programs, or they can try to find a job. Especially in this economy, it’s no wonder that many find that first option hard to turn down. Mark Duggan, an economics professor at Stanford University, reports that enrollment in 若关于x的不等式组的解集为x＜2，则a的取值范围是________．