第24题: [单项选择]A. The distance the merchandise had to be shipped. B. The number of insurance companies available at the time. C. The amount of danger involved in shipping the goods. D. The type of vessel used to transport the goods. 参考答案:C 答案解析:[听力原文] What does the instructor say determined the cost of early insurance policies
在谈论船舶
第25题: [单项选择]鼠标器是当前计算机中常用的( )。 A. 控制设备 B. 输入设备 C. 输出设备 D. 浏览设备 参考答案:B 答案解析:[解析] 目前最常用的输入设备就是鼠标,其次是键盘。