第4题: [单项选择]Why are American bills or paper money unlike that in many other countries A. They are often kept long. B. People often keep them in a stick. C. They often go together by mistake when used. 参考答案:C 答案解析:[考点] 细节题 [解析] 根据独自“除此之外，新支票经常粘在一起”，可知本题答案为C。
