第4题: [单项选择]The study also notes a steady decline in the number of college students taking science courses. A. relative B. general C. continuous D. sharp 参考答案:C 答案解析:[解析] 题意:该项研究还表明选学理科课程的大学生数量在持续下降。 划线词的词义是“稳定的,持续的”。 A项relative意为相关的;例句:The teacher asked m