第13题: [单项选择]A word processor can be looked on as satisfying a need rather than a want if ______. A. it is used at home to do paper work B. it is used by a writer to type a novel C. it becomes the only means to an end D. a writer does not want to use it 参考答案:C 答案解析:[试题分析] 这是一道事实分析题。
[详细解答] C意为：“它是达到目的的唯一手段”。第一段指出，对满足需要(need)和需求(want)的产品的传统区分已不足于涵盖各种类别的产品。在今天这个繁荣的
第30题: [单项选择]可用于食具消毒的是（） A. 食醋加热熏蒸 B. 95%酒精浸泡 C. 0.5%～1%漂白粉液体浸泡 D. 0.1~6～0.5%过氧乙酸浸泡 E. 0.1%～0.5%过氧乙酸喷雾 参考答案:C 答案解析:排泄物消毒一般采用0.1%～0.5%过氧乙酸浸泡2～4小时或1：4漂白粉搅拌后消毒2小时；0.5%～1%漂白粉液体可浸泡食具。选项A和E适用于家庭居室空气消毒。
