1. Which of thefollowing three would you choose to do in summer vacation? Working as alibrarian, painter in an art center, or life guard in the natatorium?
2. Which of thefollowing technological developments have made the greatest impact on students’lives?
窥视卡
雷达卡
楼主
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
千斤顶
显身卡